77 - METALLURGY
ICS 77 Details
METALLURGY
METALLURGIE
METALLURGIE
METALURGIJA
General Information
This document specifies the requirements for steel products used for industrial piping and supports.
For some metallic materials other than steel, such as spheroidal graphite cast iron, aluminium, nickel, copper, titanium, requirements are or will be formulated in separate parts of this document.
For metallic materials which are not covered by a harmonized material standard and are not likely to be in near future, specific rules are given in this part or the above cited parts of this document.
- Amendment8 pagesEnglish languagesale 10% offe-Library read for1 day
- Amendment8 pagesEnglish languagesale 10% offe-Library read for1 day
This Part of this European Standard specifies the requirements for inspection and testing of industrial piping as defined in EN 13480-1:2017 to be performed on individual spools or piping systems, including supports, designed in accordance with EN 13480-3:2017 and EN 13480-6:2017 (if applicable), and fabricated and installed in accordance with EN 13480-4:2017.
- Amendment6 pagesEnglish languagesale 10% offe-Library read for1 day
- Amendment6 pagesEnglish languagesale 10% offe-Library read for1 day
This Part of this European Standard specifies the design and calculation of industrial metallic piping systems, including supports, covered by EN 13480.
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This part of EN 508 specifies requirements for self-supporting roofing, covering, wall cladding, lining, liner tray and tile products for discontinuous laying made from metallic coated steel sheet with or without additional organic coatings. Sheets intended to be used with insulation and membranes are also covered.
This document establishes general characteristics, definitions, classifications and labelling for the products, together with requirements for the materials from which the products can be manufactured. It is intended to be used either by manufacturers to ensure that their products comply with the requirements or by purchasers to verify that the products comply when purchased before they are despatched from the factory. It specifies the requirements for products which enable them to meet all normal service conditions.
This document applies to all discontinuously laid self-supporting external profiled sheets for roofing covering, wall cladding, lining, and liner trays, with the exception of tiles with a surface area less than 1 m2 and produced by stamping. These profiled sheets are designed to keep wind, rain and snow out of the building and to transfer any resultant loads and infrequent maintenance loads to the structure.
This document does not cover products for structural purposes, i.e. it does cover products used in constructions of structural Class III (according to EN 1993 1 3), it does not cover products used in constructions of structural Classes I and II (according to EN 1993 1 3) intended to contribute to the global or partial stability of the building structure by providing racking resistance or resistance to permanent static loads (excluding self-weight of the metal sheet).
No requirements for supporting construction, design of roof, cladding, lining, tile system and execution of connections and flashings are included.
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This Part of EN 508 specifies requirements for self-supporting roofing products for discontinuous laying made from stainless steel sheet with or without additional metallic and/or organic coatings.
The standard establishes general characteristics, definitions, classifications and labelling for the products, together with requirements for the materials from which the products can be manufactured. It is intended to be used either by manufacturers to ensure that their products comply with the requirements or by purchasers to verify that the products comply before they are despatched from the factory. It specifies the requirements for products which enable them to meet all normal service conditions.
The standard applies to all discontinuously laid self-supporting external profiled sheets for roofing with the exception of tiles with a surface area less than 1 m2 and produced by stamping. These profiled roof sheets are designed to keep wind, rain and snow out of the building and to transfer any resultant loads and infrequent maintenance loads to the structure.
No requirements for supporting construction, design of roof system and execution of connections and flashings are included.
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This document establishes the general principles to be adopted to minimize the effects of stray current
corrosion caused by direct-current (d.c.) on buried or immersed pipeline systems. A brief description of
alternating current (a.c.) effects is provided.
The document is intended to offer guidance for:
— the design of cathodic protection systems which may produce stray currents;
— the design of pipeline systems, or elements of pipeline systems, which are to be buried or immersed and which may be subject to stray current corrosion;
— the selection of appropriate protection or mitigation measures.
The effects of a.c. induced voltages are not dealt with in detail in this document because they are
covered in ISO 18086. General principles and guidelines are, however, provided.
Stray current corrosion can also occur internally in systems containing a conducting electrolyte e.g.
near insulating joints or high resistance pipe joints in pipelines transporting conductive fluids.
Internal corrosion risks from stray currents are not dealt with in detail in this document but principles
and measures described here can be applicable for minimizing the interference effects.
Stray currents can also cause other effects such as overheating. These other effects are not covered in
this document.
A.C. currents can induce unacceptable touch voltages on above-ground appurtenances of pipeline
systems. These are not covered in detail in this document. They are covered in EN 50443, EN 61140,
IEC 60364-4-41, IEC TS 60479-1, IEC 60364-5-52, IEC /TS 61201, and IEC TR 60479-5.
Systems which may be affected by stray currents include buried or immersed metal structures such as:
a) pipeline systems;
b) metal sheathed cables;
c) tanks and vessels;
d) earthing systems;
e) steel reinforcement in concrete;
f) sheet steel piling.
This document provides details only for pipeline systems although the principles can be applied to
other buried structures. The EN 50162 series of standards also provide guidance for railway related
structures.
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This document specifies delivery requirements applicable to the surface finish of hot-rolled plates rolled on reversing mills and wide flats, with a nominal thickness ≥3 mm and ≤400 mm.
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This part of IEC 60317 specifies the requirements of enamelled round copper winding wires of
class 200 with a sole coating based on polyesterimide resin, which may be modified providing
it retains the chemical identity of the original resin and meets all specified wire requirements.
NOTE A modified resin is a resin that has undergone a chemical change or contains one or more additives to
enhance certain performance or application characteristics.
The range of nominal conductor diameters covered by this document is as follows:
– Grade 1: 0,018 mm up to and including 3,150 mm;
– Grade 2: 0,020 mm up to and including 5,000 mm;
– Grade 3: 0,0250 mm up to and including 1,600 mm.
The nominal conductor diameters are specified in Clause 4 of IEC 60317-0-1:2013.
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This Part of this EN 603 specifies the tolerances on dimensions and form of wrought aluminium and aluminium alloy forging stock. It applies to extruded and rolled products.
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This document specifies the technical delivery conditions for cold rolled narrow steel strip made of non alloy and alloy steel grades in the form of coils and cut lengths in rolling widths less than 600 mm. Cold rolled narrow steel strip is available in grades of case hardening steel and of steels for quenching and tempering for general and special applications particularily springs.
— Case hardening steels in thicknesses up to and including 10 mm;
— Steels for quenching and tempering in thicknesses up to and including 6 mm in the conditions annealed (+A), annealed and skin passed (+LC) or cold rolled (+CR);
— Steels in the quenched and tempered condition (+QT) in thicknesses between 0,30 mm and 3,00 mm.
In special cases supplementary requirements or deviations with respect to this document can be agreed between the purchaser and the supplier at the time of enquiry and order (see 5.2 and Annex A).
In addition to the requirements of this document, the general technical delivery requirements specified in EN 10021 apply.
This document does not cover cold rolled flat products for which separate standards exist, e.g.:
— Cold rolled uncoated low carbon steel narrow strip for cold forming (EN 10139);
— Cold rolled steel flat products with higher yield strength for cold forming (EN 10268).
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1.1 This document specifies procedures for designing, preparing and using pre-cracked specimens for
investigating the susceptibility of metal to stress corrosion cracking (SCC) by means of tests conducted
under rising load or rising displacement. Tests conducted under constant load or constant displacement
are dealt with in ISO 7539-6.
The term “metal” as used in this document includes alloys.
1.2 Because of the need to confine plasticity at the crack tip, pre-cracked specimens are not suitable
for the evaluation of thin products such as sheet or wire and are generally used for thicker products
including plate, bar, and forgings. They can also be used for parts joined by welding.
1.3 Pre-cracked specimens can be stressed quantitatively with equipment for application of a
monotonically increasing load or displacement at the loading points.
1.4 A particular advantage of pre-cracked specimens is that they allow data to be acquired from which
critical defect sizes, above which stress corrosion cracking can occur, can be estimated for components
of known geometry subjected to known stresses. They also enable rates of stress corrosion crack
propagation to be determined.
1.5 A principal advantage of the test is that it takes account of the potential impact of dynamic straining
on the threshold for stress corrosion cracking.
1.6 At sufficiently low loading rates, the threshold stress intensity factor for susceptibility to stress
corrosion cracking, KISCC, determined by this method can be less than or equal to that obtained by
constant load or displacement methods and can be determined more rapidly.
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This document specifies methods for the measurement of specular reflectance and specular gloss of
flat samples of anodized aluminium using geometries of 20° (Method A), 45° (Method B), 60° (Method
C) and 85° (Method D) and of specular reflectance by an additional 45° method (Method E) employing a
narrow acceptance angle.
The methods described are intended mainly for use with clear anodized surfaces. They can be used
with colour-anodized aluminium, but only with similar colours.
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This document specifies procedures for the removal of corrosion products formed on metal and alloy corrosion test specimens during their exposure in corrosive environments. For the purpose of this document, the term "metals" refers to pure metals and alloys.
The specified procedures are designed to remove all corrosion products without significant removal of base metal. This allows an accurate determination of the mass loss of the metal, which occurred during exposure to the corrosive environment.
In some cases, these procedures are also applicable to metal coatings, providing the possible effects from the substrate are considered.
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This document specifies the chemical composition limits for aluminium casting alloys and mechanical properties of separately cast test pieces for these alloys.
Annex C is included as a guide to the selection of alloys for a specific use or process.
This document is intended to be used in conjunction with EN 576, EN 1559-1, EN 1559-4, EN 1676 and EN ISO 8062-3.
- Standard35 pagesEnglish languagesale 10% offe-Library read for1 day
This document specifies the requirements for hot-rolled twin-roll cast steel sheet of commercial quality. The product is intended for applications where the presence of oxide or scale or normal surface imperfections disclosed after removal of oxide or scale are not objectionable. It is not suitable for applications where the surface is of prime importance. This document does not cover steel sheet that is subjected to subsequent rolling.
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This document lists the International Standards which are currently available for the determination of the chemical composition of nickels, ferronickels and nickel alloys (see Clause 4). It provides details on the range of application and gives the principle of the method described in each International Standard (see Clause 5). Annex A shows graphical representations of the content ranges of the methods listed in this document: Figure A.1 represents the fields of application of the methods available for the three kinds of matrixes; Figure A.2 gives the content ranges of the methods for nickels; Figure A.3 gives the content ranges of the methods for ferronickels; Figure A.4 gives the content ranges of the methods for nickel alloys. Annex B provides a bilingual key of the abbreviated terms used in the figures given in Annex A.
- Technical report23 pagesEnglish languagesale 15% off
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This draft European Standard specifies the technical delivery requirements for seamless and welded butt welding fittings (elbows, concentric and eccentric reducers, equal and reducing tees, caps) made of carbon and alloy steel in two test categories which are intended for pressure purposes at room temperature, at low temperature or at elevated temperatures, and for the transmission and distribution of fluids and gases.
It specifies:
a) type of fittings;
1) type A: Butt-welding fittings with reduced pressure factor;
2) type B: Butt-welding fittings for use at full service pressure;
b) steel grades and their chemical compositions;
c) mechanical properties;
d) dimensions and tolerances;
e) requirements for inspection and testing;
f) inspection documents;
g) marking;
h) protection and packaging.
NOTE In the case of a harmonised supporting standard for materials, presumption of conformity to the ESRs is limited to technical data of materials in the standard and does not presume adequacy of the material to a specific item of equipment. Consequently it is essential that the technical data stated in the material standard be assessed against the design requirements of this specific item of equipment to verify that the ESRs of the PED are satisfied.
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This document specifies an infrared absorption method after combustion in an induction furnace for
the determination of the low carbon content in unalloyed steel.
The method is applicable to carbon contents between 0,000 3 % (mass fraction) and 0,009 % (mass
fraction).
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This Part 10 of this document specifies requirements for unfired pressure vessels and their parts made of nickel and nickel alloys (see 3.1) in addition to the general requirements for unfired pressure vessels under EN 13445-1:2019, EN 13445-2:2019, EN 13445-3:2019, EN 13445-4:2019 and EN 13445-5:2019.
NOTE Cast materials are not included in this version. Details regarding cast materials will be subject to an amendment to or a revision of this document.
- Standard29 pagesEnglish languagesale 10% offe-Library read for1 day
This document specifies requirements for unfired pressure vessels and their parts made of aluminium and aluminium alloys in addition to the general requirements for unfired pressure vessels under EN 13445:2019 Parts 1 to 5. This document specifies unfired pressure vessels for loads up to 500 full cycles.
NOTE Cast materials are not included in this version. Details regarding cast materials will be subject to an amendment to or a revision of this document.
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This document specifies requirements for the design, materials, manufacturing and testing of pressure vessels and pressure vessel parts intended for use with a maximum allowable pressure, PS, equal or less than:
- 100 bar when containing gases or liquids in group 1 or 2
- 1000 bar when containing liquids in group 2 only.
and shell wall thicknesses not exceeding 60 mm, which are constructed of ferritic or austenitic spheroidal graphite cast iron. The thickness limitation of the shell does not apply to thickness of flanges, reinforcements, bosses etc.
NOTE 1 Austenitic spheroidal graphite cast iron grades are principally used for high and low temperature applications and for their corrosion resistance properties.
NOTE 2 The allowable grades of spheroidal graphite cast iron are listed in Tables 5.1-1 and 5.1-2. Service conditions are given in Clause 4.
This document, EN 13445-6, does not include lamellar graphite cast iron grades for ferritic and austenitic grades with, with an elongation after fracture equal or less than 15 % which are explicitly excluded. Requirements for the use of cast irons with an elongation after fracture equal or less than 15 % are given in EN 15776.
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This document specifies the minimum requirements for solid thimbles made of steel or cast iron for terminations of stranded steel wire ropes.
This document is applicable to ferrule-secured terminations with solid thimbles in combination with ferrules according to EN 13411-3, that have an efficiency factor KT of at least 0,9, and to spliced terminations with solid thimbles according to EN 13411-2, that have an efficiency factor KT of at least 0,8, which are used as accessories for steel wire ropes, such as slings or wire rope assemblies, having a lifting, lowering or load-bearing effect in hoisting equipment.
Examples of designs of solid thimbles are given in informative Annex B and C.
Round thimbles are not subject to this document.
This document is applicable to ferrule-secured terminations that are manufactured after the date of publication of this document.
Hazards that are dealt with in this document are listed in Clause 4.
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This document specifies the minimum requirements for symmetrical wedge socket terminations for stranded steel wire ropes conforming to prEN 12385-5 for lifts.
This document covers those symmetric wedge sockets intended for use at temperatures between -20 °C and 100 °C.
This document only covers those symmetric wedge sockets that have welded socket bodies. An example of the construction and sizes of a symmetric wedge socket is given in informative Annex A.
The informative Annex B gives the recommendations for the safe use and inspection of symmetric wedge socket according to Annex A.
This document deals with all significant hazards, hazardous situations and events relevant to symmetric wedge sockets for terminations for steel wire ropes, when used as intended and under conditions of misuse which are reasonably foreseeable by the manufacturer.
The hazards covered by this European Standard are identified in Clause 4.
This document applies to symmetric wedge sockets, which are manufactured after the date of its publication.
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This document defines a set of terms and definitions of die casting machines and other equipment related to permanent mold casting process.
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1.1 This document specifies procedures for designing, preparing and using pre-cracked specimens for investigating the susceptibility of metal to stress corrosion cracking (SCC) by means of tests conducted under rising load or rising displacement. Tests conducted under constant load or constant displacement are dealt with in ISO 7539-6. The term “metal” as used in this document includes alloys. 1.2 Because of the need to confine plasticity at the crack tip, pre-cracked specimens are not suitable for the evaluation of thin products such as sheet or wire and are generally used for thicker products including plate, bar, and forgings. They can also be used for parts joined by welding. 1.3 Pre-cracked specimens can be stressed quantitatively with equipment for application of a monotonically increasing load or displacement at the loading points. 1.4 A particular advantage of pre-cracked specimens is that they allow data to be acquired from which critical defect sizes, above which stress corrosion cracking can occur, can be estimated for components of known geometry subjected to known stresses. They also enable rates of stress corrosion crack propagation to be determined. 1.5 A principal advantage of the test is that it takes account of the potential impact of dynamic straining on the threshold for stress corrosion cracking. 1.6 At sufficiently low loading rates, the threshold stress intensity factor for susceptibility to stress corrosion cracking, KISCC, determined by this method can be less than or equal to that obtained by constant load or displacement methods and can be determined more rapidly.
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This document specifies the method for rotating bar bending fatigue testing of metallic materials. The tests are conducted at room temperature or elevated temperature in air, the specimen being rotated. Fatigue tests on notched specimens are not covered by this document, since the shape and size of notched specimens have not been standardized. However, fatigue test procedures described in this document can be applied to fatigue tests of notched specimens.
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This document specifies requirements for non-alloy and alloy steels that are intended for cold heading or cold extruding and are delivered as wire rods, wire or bars. It also contains specific requirements for: —   steels not intended for heat treatment, with diameters from 2 mm to 100 mm (see Annex A); —   case-hardening steels with diameters from 2 mm to 100 mm (see Annex B); —   steels for quenching and tempering, including boron alloyed steels (see Table C.3), with diameters from 2 mm to 100 mm (see Annex C); —   stainless steels with diameters of 0,8 mm up to 50 mm for austenitic steels, up to 25 mm for ferritic steels and up to 100 mm for martensitic steels (see Annex D). This document (except Annex A) is applicable to the properties of cold-headed or cold-extruded parts which have been subjected to a subsequent heat treatment. As the properties of the parts in the cold-headed or cold-extruded, and subsequently not-heat-treated condition, are largely dependent on the applied cold-heading or cold-extruding conditions, these are, if necessary, subject to agreement between the purchaser and the manufacturer of the parts.
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This document specifies methods for determining fracture toughness in terms of K, δ, J and R-curves for homogeneous metallic materials subjected to quasistatic loading. Specimens are notched, precracked by fatigue and tested under slowly increasing displacement. The fracture toughness is determined for individual specimens at or after the onset of ductile crack extension or at the onset of ductile crack instability or unstable crack extension. In cases where cracks grow in a stable manner under ductile tearing conditions, a resistance curve describing fracture toughness as a function of crack extension is measured. In some cases in the testing of ferritic materials, unstable crack extension can occur by cleavage or ductile crack initiation and growth, interrupted by cleavage extension. The fracture toughness at crack arrest is not covered by this document. Special testing requirements and analysis procedures are necessary when testing weldments, and these are described in ISO 15653 which is complementary to this document. Statistical variability of the results strongly depends on the fracture type, for instance, fracture toughness associated with cleavage fracture in ferritic steels can show large variation. For applications that require high reliability, a statistical approach can be used to quantify the variability in fracture toughness in the ductile-to-brittle transition region, such as that given in ASTM E1921. However, it is not the purpose of this document to specify the number of tests to be carried out nor how the results of the tests are to be applied or interpreted.
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This document specifies the method for the verification and validation of models for the determination of the property data of steels. It is applicable where modelling of mechanical or physical properties is used to substitute conventional testing for specific inspection. Models can
be based on statistical data, thermo-physical data or indirect measurement (e.g. measurement of magnetic or ultrasonic data).
This document applies only for verification and validation of models for providing the properties of rolled or heat treated products such as plates, sheets, strip, sections, bars, etc.
This document is used to demonstrate the ability of the model to supply property data which is equivalent to data, which is measured by conventional testing.
NOTE: Validation of models is part of auditing the quality management system performed by an independent body.
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This document specifies requirements for carbon and low alloy cast steel grades for general applications. NOTE 1  Annex A provides guidance on welding. NOTE 2  Annex B gives information on ISO grade designation and available UNS numbers which are similar to the ISO grade designation.
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This document specifies the method for measuring the stress-strain curves of sheet metals subject to biaxial tension using a cruciform test piece fabricated from a sheet metal sample. The applicable thickness of the sheet is 0,1 mm or more and 0,08 times or less of the arm width of the cruciform test piece (see Figure 1). The test temperature ranges from 10 °C to 35 °C. The amount of plastic strain applicable to the gauge area of the cruciform test piece depends on the force ratio, slit width of the arms, work hardening exponent (n-value) (see Annex B) and anisotropy of a test material.
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This document specifies an infrared absorption method after combustion in an induction furnace for the determination of the low carbon content in unalloyed steel. The method is applicable to carbon contents between 0,000Â 3Â % (mass fraction) and 0,009Â % (mass fraction).
- Standard13 pagesEnglish languagesale 15% off
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This European Standard specifies the technical delivery conditions for forgings for pressure purposes, made of weldable fine grain steels with high proof strength.
NOTE Once this standard is published in the EU Official Journal (OJEU) under Directive 2014/68/EU, presumption of conformity to the Essential Safety Requirements (ESRs) of Directive 2014/68/EU is limited to technical data of materials in this standard and does not presume adequacy of the material to a specific item of equipment. Consequently, the assessment of the technical data stated in this material standard against the design requirements of this specific item of equipment to verify that the ESRs of Directive 2014/68/EU are satisfied, needs to be done. The series EN 10222-1 to EN 10222-5 is structured so that the data related to different materials is in the part allocated for that material. The presumption of conformity to the Essential Safety Requirements of Directive 2014/68/EU depends on both the text in part 1 and the data in part 2, 3, 4 or 5.
General information on technical delivery conditions is given in EN 10021.
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This part of this European Standard specifies the technical delivery conditions for forgings for pressure purposes, made of ferritic and martensitic steels with specified elevated temperature properties. Chemical composition and mechanical properties are specified.
NOTE Once this standard is published in the EU Official Journal (OJEU) under Directive 2014/68/EU, presumption of conformity to the Essential Safety Requirements (ESRs) of Directive 2014/68/EU is limited to technical data of materials in this standard and does not presume adequacy of the material to a specific item of equipment. Consequently, the assessment of the technical data stated in this material standard against the design requirements of this specific item of equipment to verify that the ESRs of Directive 2014/68/EU are satisfied, needs to be done. The series EN 10222-1 to EN 10222-5 is structured so that the data related to different materials is in the part allocated for that material. The presumption of conformity to the Essential Safety Requirements of Directive 2014/68/EU depends on both the text in part 1 and the data in part 2, 3, 4 or 5.
General information on technical delivery condition is given in EN 10021.
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This European Standard specifies methods for assessing the tin coating on drawn round copper wire for the manufacture of electrical conductors, e.g. according to EN 13602.
This European Standard includes test methods for the determination of the following characteristics:
a) thickness of the unalloyed tin coating;
b) continuity of the tin coating;
c) adherence of the tin coating.
WARNING - This European Standard can involve the use of hazardous materials, operations, and equipment. This standard does not purport to address all of the safety problems associated with their use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
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This European Standard specifies the composition, property requirements including electrical properties, and tolerances on dimensions and form for copper rod, bar and wire for general electrical purposes. Cross sections and size ranges are:
- round, square and hexagonal rod with diameters or widths across flats from 2 mm up to and including 160 mm;
- bar with thicknesses from 2 mm up to and including 40 mm and widths from 3 mm up to and including 250 mm;
- round, square, hexagonal and rectangular wire with diameters or widths across flats from 2 mm up to and including 25 mm, as well as thicknesses from 0,5 mm up to and including 12 mm with widths from 1 mm up to and including 250 mm.
The sampling procedures and test methods for verification of conformity to the requirements of this standard are also specified.
NOTE Drawn, round copper wire - plain or tinned, single or multiline - for the manufacture of electrical conductors is specified in EN 13602.
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This European Standard specifies the composition, property requirements including electrical properties, and tolerances on dimensions and form for copper profiles and profiled wire for electrical purposes, which would fit within a circumscribing circle of maximum 180 mm diameter.
The sampling procedures, the test methods for verification of conformity to the requirements of this standard, and the delivery conditions are also specified.
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ISO 16220:2017 specifies the chemical composition of magnesium alloy ingots and castings. It also specifies the mechanical properties of separately cast samples of these alloys (see Clause 7). By agreement, it also specifies the mechanical properties of magnesium alloy castings determined from samples cut from a casting.
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This document specifies the chemical composition of cast unalloyed magnesium. It specifies classification, designation, testing rules, marking, packing, transportation, storage, and information subject to agreement between the manufacturer and the purchaser. This document applies to cast unalloyed magnesium produced by the silicon-thermo process or molten salt electrolysis process.
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This document specifies general principles for carrying out corrosion tests under conditions of constant immersion. Some of these general principles are applicable to other types of corrosion testing.
This document does not cover important procedures for stress corrosion testing, such as those given in ISO 7539 (all parts).
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This document specifies sizes and nominal working pressures for seamless and welded precision steel tubes with outside diameters in accordance with ISO 4397, and wall thicknesses and mechanical properties in accordance with ISO 3305. The nominal working pressures included in this document reflect a design factor ratio of 4 to 1 applied to the calculated burst pressures.
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This document gives guidelines for the selection of procedures that can be used in the identification and examination of corrosion pits and in the evaluation of pitting corrosion and pit growth rate.
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This document specifies product characteristics, assessment methods, compliance criteria and a designation system for threaded fittings. These threaded ends exist with metallic and with non-metallic sealing elements for the purposes of joining with tubes, pipes, fittings or valves, the threaded ends have a size range from 3,175 mm (1/8") to 101,6 mm (4"). The threaded fittings are designed for a service lifetime up to fifty years.
The fittings are used up to the operating temperatures and maximum operating pressures as indicated in Annex A.
This document applies to copper alloy fittings. A non-exhaustive list of these copper alloys is given in CEN/TS 13388.
Threaded fittings may also have flanged end connections according to EN 1092-3.
Threaded fittings may also have a plated or other decorative surface coating.
Fittings can be produced by machining, metal forming, casting, or fabrication.
Products covered by this document are intended to be used in:
a) liquid applications:
- hot, cold or combined hot and cold water systems according to EN 806;
- closed heating systems according to EN 12828 and cooling systems;
- drainage systems;
- sprinkler systems according to EN 12845.
b) gas applications:
- natural gas and liquefied petroleum gas systems with a maximum operating pressure less than or equal to 5 bar according to EN 1775;
- compressed air systems.
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This document specifies product characteristics, assessment methods, compliance criteria of test results and a designation system for fittings with compression ends for use with plastic and multilayer pipes which are defined in the applicable pipe standard. For the purposes of joining plastics pipes, the fitting ends have a size range from 10 mm to 160 mm. The fittings are designed for a service lifetime up to fifty years.
The compression fittings are used up to the operating temperatures and maximum operating pressures as indicated in Annex A.
This European Standard applies to copper alloy fittings. A non-exhaustive list of these copper alloys is given in CEN/TS 13388.
Adaptor fittings for use with plastic and multilayer pipes may combine compression ends with fitting ends defined in the other parts of EN 1254.
Compression fittings for use with plastic and multilayer pipes may also have flanged end connections according to EN 1092-3.
Compression fittings for use with plastic and multilayer pipes may also have a plated or other decorative surface coating.
Fittings can be produced by machining, metal forming, casting, or fabrication.
Products covered by this standard are intended to be used in:
a) liquid applications:
- Hot, cold or combined hot and cold water systems according to EN 806;
- closed heating systems according to EN 12828 and cooling systems;
- drainage systems;
- sprinkler systems according to EN 12845.
b) gas applications (not valid for multilayer pipes):
- natural gas and liquefied petroleum gas systems with a maximum operating pressure less than or equal to 5 bar according to EN 1775;
- compressed air systems.
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This document specifies product characteristics, assessment methods, compliance criteria and a designation system for push-fit fittings for the purpose of joining tubes of copper, plated copper, multilayer pipes and plastics pipes. The fitting ends have a size range from 6 mm to 54 mm. The fittings are designed for a service lifetime up to fifty years.
This document is applicable to push-fit fittings for joining one or more of the following tubes or pipes:
- copper tubes to EN 1057; copper composite according to UNI 11342, plastic and multilayer pipes covered by EN 15015.
The fittings are used up to the operating temperatures and maximum operating pressures as indicated in Annex A.
This document applies to copper alloy fittings. A non-exhaustive list of these copper alloys is given in CEN/TS 13388.
Adaptor fittings may combine push-fit ends with fitting ends defined in the other parts of EN 1254.
Push-fit fittings for metallic tubes may also have flanged end connections according to EN 1092-3.
Push-fit fittings may also have a plated or other decorative surface coating.
Fittings can be produced by machining, metal forming, casting, or fabrication.
Products covered by this standard are intended to be used in liquid applications:
- hot, cold or combined hot and cold water systems according to EN 806;
- closed heating systems according to EN 12828 and cooling systems;
- drainage systems;
- sprinkler systems according to EN 12845.
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This document specifies product characteristics, assessment methods, compliance criteria and a designation system for capillary fittings with short ends for brazing to copper tubes e.g. EN 1057, EN 13348, EN 13349, EN 12735-1, EN 12735-2, etc. These fitting ends exist in two forms: end feed fittings and integral brazing ring fittings. For the purposes of joining copper tubes, the fitting ends have a size range from 14,7 mm to 159 mm. The fittings are designed for a service lifetime up to fifty years.
The fittings are used up to the operating temperatures and maximum operating pressures as indicated in Annex A.
This document applies to copper alloy fittings. A non-exhaustive list of these copper alloys is given in CEN/TS 13388.
The capillary fittings with short ends for brazing to copper tubes are used with brazing alloys in accordance with alloys specified in EN ISO 17672.
Not all copper alloys that can be used to manufacture fittings can be brazed and those that can be brazed may require different brazing techniques (guidance is provided in in prEN1254-20:2019, Annex A).
Fittings with short ends for capillary brazing may also have threaded end connections. These threaded ends exist with metallic and with non-metallic sealing elements. For the purposes of joining with tubes, pipes, fittings or valves, the threaded ends have a size range from 1/8" to 4".
Adaptor fittings for use with copper tubes may combine short ends for capillary brazing with fitting ends defined in the other parts of EN 1254.
Capillary fittings with short ends for brazing may also have flanged end connections according to EN 1092-3.
Fittings can be produced by machining, metal forming, casting, or fabrication.
Products covered by this standard are intended to be used in:
a) liquid applications:
- hot, cold or combined hot and cold water systems according to EN 806;
- closed heating systems according to EN 12828 and cooling systems;
- drainage systems;
- sprinkler systems according to EN 12845;
- refrigeration systems.
b) gas applications:
- natural gas and liquefied petroleum gas systems with a maximum operating pressure less than or equal to 5 bar according to EN 1775;
- compressed air systems;
- medical gas systems according to EN ISO 7396;
- refrigeration systems.
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This document contains definitions, thread dimension, reference data (minimum bore), supporting information (assembling instructions) and describes the test methods referenced by other parts of the EN 1254 series.
Thread dimensions comprise: wall thickness at threaded portions of fittings, dimensions of tail pipe ends for swivel fittings, dimensions of gas union connectors, thread dimensions and thread profile.
Test methods comprise: leak tightness under internal hydrostatic pressure, leak tightness under internal pneumatic pressure, resistance of joints to static flexural strength, resistance to pull out of joints, leak tightness of joints under vacuum, the resistance of joints to temperature cycling, resistance of joints with metallic tube to vibration, integrity of fabricated fitting bodies or having an 'as cast' microstructure, resistance to stress corrosion, detection of a carbon film on the surface of copper fittings, determination of mean depth of dezincification, resistance of joints to pressure cycling, disconnection and re-use, determining if the diameter and/or the length of engagement of a capillary end is/are within the specified tolerance, determining the minimum length of engagement of an integral solder or brazing ring socket having a formed groove.
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This document gives the technical delivery requirements for
— semi-finished products, e.g. blooms, billets, slabs (see note 1),
— bars (see note 1),
— wire rod,
— hot-rolled plates (see note 2), and
— hammer or drop forgings (see note 1)
manufactured from the nitriding steels listed in Table 3 and supplied in one of the heat-treatment conditions given for the different types of products in Table 1, rows 2 to 5, and in one of the surface conditions given in Table 2.
The steels are generally intended for the fabrication of quenched and tempered and, subsequently, nitriding machine parts.
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This document specifies product characteristics, assessment methods, compliance criteria and a designation system for press fittings including their elastomeric seals, for connecting with metallic tubes. The fitting ends have a size range from 6 mm to 108 mm. The press fittings are designed for a service lifetime up to fifty years.
This document is applicable to press fittings for joining one or more of the following tubes:
- copper tubes to EN 1057 and
- stainless steel tubes to EN 10312
with wall thicknesses and tempers as specified by the manufacturer.
The fittings are used up to the operating temperatures and maximum operating pressures as indicated in Annex A.
Press fittings are used with tubes with wall thicknesses greater than or equal to the wall thickness given in Annex B, to ensure that tubes can withstand the radial pressing forces involved.
This document applies to copper alloy fittings. A non-exhaustive list of these copper alloys is given in CEN/TS 13388.
Adaptor fittings for use with copper tubes may combine press ends with fitting ends defined in the other parts of EN 1254.
Press fittings for use with metallic tubes may also have flanged end connections according to EN 1092-3.
Press fittings for use with metallic tubes may also have a plated or other decorative surface coating.
Fittings can be produced by machining, metal forming, casting, or fabrication.
Products covered by this standard are intended to be used in:
a) liquid applications:
- hot or cold or combined hot and cold water systems according to EN 806;
- closed heating systems according to EN 12828 and cooling systems;
- drainage systems;
- sprinkler systems according to EN 12845.
b) gas applications:
- natural gas and liquefied petroleum gas systems with a maximum operating pressure less than or equal to 5 bar according to EN 1775;
- compressed air systems.
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- Draft36 pagesEnglish languagesale 10% offe-Library read for1 day