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ASTM F1974-04

(Specification)

Standard Specification for Metal Insert Fittings for Polyethylene/Aluminum/Polyethylene and Crosslinked Polyethylene/Aluminum/Crosslinked Polyethylene Composite Pressure Pipe

Standard Specification for Metal Insert Fittings for Polyethylene/Aluminum/Polyethylene and Crosslinked Polyethylene/Aluminum/Crosslinked Polyethylene Composite Pressure Pipe

ABSTRACT
This specification covers metal insert fittings with split ring and compression nut (compression joint) and metal insert fittings with copper crimp rings (crimp joint) for four sizes of composite pressure pipe. These fittings are intended for use in cold- and hot-water distribution systems operating at a certain temperature range. These fittings are intended for use in potable water distribution systems for residential and commercial applications, water service, underground irrigation systems, and radient panel heating systems, baseboard, snow- and ice-melt systems, and gases that are compatible with the composite pipe and fittings. The fittings are classified into two classes with split ring and compression nut and fittings with a copper crimp ring, suitable for use with four sizes of PEX/AL/PEX or PE/AL/PE pipe. The fittings shall be made from one of the following metals: wrought copper, cast copper alloy, machined brass, and forged brass. Different tests shall be conducted in order to determine the following properties: hydrostatic burst, hydrostatic sustained pressure strength, thermocycling, and excessive temperature and pressure capability. The sealing surfaces of the insert shall be smooth and free of foreign material. The fitting walls shall be free of cracks, holes, blisters, voids, foreign inclusions or other defects that are visible to the naked eye and that affect the wall integrity.
SCOPE
1.1 This specification covers metal insert fittings with split ring and compression nut (compression joint) and metal insert fittings with copper crimp rings (crimp joint) for four sizes of composite pressure pipe. These fittings are intended for use in 125 psi (690 kPa) cold- and hot-water distribution systems operating at temperatures up to and including 180 F (82 C). (When used in polyethylene/aluminum/polyethylene systems the maximum operating temperature is limited by the pipe to 140 F (60 C) and where applicable 180F (82C)). Included are the requirements for materials, workmanship, burst pressure, sustained pressure, excessive temperature and pressure, temperature cycling tests, and markings to be used on the fittings and rings. The fittings covered by this specification are intended for use in potable water distribution systems for residential and commercial applications, water service, underground irrigation systems, and radient panel heating systems, baseboard, snow- and ice-melt systems, and gases that are compatible with the composite pipe and fittings.
1.2 The values stated in inch-pound units are to be regarded as the standard. The SI values stated in parentheses are provided for information purposes.
Note 1—The tables show the "nominal size" in millimetres with the inch size in parentheses. This exception is made to harmonize the "nominal size" with the two pipe standards, F 1281 and F 1281.
1.3 The following precautionary caveat pertains only to the test method portion, Section 9, of this specification. This standard does not purport to address all of the safety concerns, if any, associated with its 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.

General Information

Status
Historical
Publication Date
31-Mar-2004
ICS
23.040.40 - Metal fittings
Technical Committee
F17 - Plastic Piping Systems
Drafting Committee
F17.10 - Fittings
Current Stage
Ref Project

Relations

Replaces
ASTM F1974-02 - Standard Specification for Metal Insert Fittings for Polyethylene/Aluminum/Polyethylene and Crosslinked Polyethylene/Aluminum/Crosslinked Polyethylene Composite Pressure Pipe
Effective Date
01-Apr-2004
Replaced By
ASTM F1974-08 - Standard Specification for Metal Insert Fittings for Polyethylene/Aluminum/Polyethylene and Crosslinked Polyethylene/Aluminum/Crosslinked Polyethylene Composite Pressure Pipe
Effective Date
01-Nov-2008
Referred By
ASTM F1282-23a - Standard Specification for Polyethylene/Aluminum/Polyethylene (PE-AL-PE) Composite Pressure Pipe
Effective Date
01-Apr-2004
Referred By
ASTM F1281-23a - Standard Specification for Crosslinked Polyethylene/Aluminum/Crosslinked Polyethylene (PEX-AL-PEX) Pressure Pipe
Effective Date
01-Apr-2004

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ASTM F1974-04 - Standard Specification for Metal Insert Fittings for Polyethylene/Aluminum/Polyethylene and Crosslinked Polyethylene/Aluminum/Crosslinked Polyethylene Composite Pressure PipeASTM F1974-04 - Standard Specification for Metal Insert Fittings for Polyethylene/Aluminum/Polyethylene and Crosslinked Polyethylene/Aluminum/Crosslinked Polyethylene Composite Pressure Pipe
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ASTM F1974-04 - Standard Specification for Metal Insert Fittings for Polyethylene/Aluminum/Polyethylene and Crosslinked Polyethylene/Aluminum/Crosslinked Polyethylene Composite Pressure Pipe
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Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
An American National Standard
Designation: F 1974 – 04
Standard Specification for
Metal Insert Fittings for Polyethylene/Aluminum/
Polyethylene and Crosslinked Polyethylene/Aluminum/
1
Crosslinked Polyethylene Composite Pressure Pipe
This standard is issued under the fixed designation F 1974; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope 2. Referenced Documents
2
1.1 This specification covers metal insert fittings with split 2.1 ASTM Standards:
ring and compression nut (compression joint) and metal insert B16 Specification for Free-Cutting Brass Rod, Bar, and
fittings with copper crimp rings (crimp joint) for four sizes of Shapes for Use in Screw Machines
composite pressure pipe. These fittings are intended for use in B 36/B 36M Specification for Brass Plate, Sheet, Strip and
125 psi (690 kPa) cold- and hot-water distribution systems Rolled Bar
operating at temperatures up to and including 180 °F (82 °C). B62 Specification for Composition Bronze or Ounce Metal
(When used in polyethylene/aluminum/polyethylene systems Castings
the maximum operating temperature is limited by the pipe to B75 Specification for Seamless Copper Tube
140 °F (60 °C) and where applicable 180°F (82°C)). Included B 134/B 134M Standard Specification for Brass Wire
are the requirements for materials, workmanship, burst pres- B 140 Specification for Copper-Zinc-Lead (Leaded Red
sure, sustained pressure, excessive temperature and pressure, Brass or Hardware Bronze) Rod, Bar, and Shapes
temperature cycling tests, and markings to be used on the B 159 Specification for Phosphor Bronze Wire
fittings and rings. The fittings covered by this specification are B 283 SpecificationforCopperandCopper-AlloyDieForg-
intended for use in potable water distribution systems for ings (Hot-Pressed)
residential and commercial applications, water service, under- B 584 Specification for Copper Alloy Sand Castings for
ground irrigation systems, and radient panel heating systems, General Applications
baseboard, snow- and ice-melt systems, and gases that are D 618 Practice for Conditioning Plastics and Electrical
compatible with the composite pipe and fittings. Insulating Materials for Testing
1.2 The values stated in inch-pound units are to be regarded D 1598 Test Method for Time-To-Failure of Plastic Pipe
as the standard. The SI values stated in parentheses are Under Constant Internal Pressure
provided for information purposes. D 1599 Test Method for Short-Time, Hydraulic Failure
Pressure of Plastic Pipe, Tubing and Fittings
NOTE 1—The tables show the “nominal size” in millimetres with the
D 1600 Terminology for Abbreviated Terms Relating to
inch size in parentheses. This exception is made to harmonize the
Plastics
“nominal size” with the two pipe standards, F 1281 and F 1281.
D 2122 Test Method for Determining Dimensions of Ther-
1.3 The following precautionary caveat pertains only to the
moplastic Pipe and Fittings
test method portion, Section 9, of this specification. This
D 2240 Test Method for Rubber Property Durometer Hard-
standarddoesnotpurporttoaddressallofthesafetyconcerns,
ness
ifany,associatedwithitsuse.Itistheresponsibilityoftheuser
E18 Test Methods for Rockwell Harness and Superficial
of this standard to establish appropriate safety and health
Harness of Metallic Materials
practices and determine the applicability of regulatory limita-
F 412 Terminology Relating to Plastic Piping Systems
tions prior to use.
1 2
This specification is under the jurisdiction ofASTM Committee F17 on Plastic For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Piping Systems and is the direct responsibility of Subcommittee F17.10 on Fittings. contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Current edition approved April 1, 2004. Published April 2004. Originally Standards volume information, refer to the standard’s Document Summary page on
approved in 1999. Last previous edition approved in 2003 as F 1974 - 03. the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
F1974–04
F 1281 Specification for Crosslinked Polyethylene/ B16 copper alloy UNS C36000, or SpecificationB62, copper
Aluminum/Crosslinked Polyethylene (PEX/AL/PEX) alloy UNS C83600 or Specification B 36/B 36M, copper alloy
Pressure Pipe UNS C23000.
F 1282 Specification for Polyethylene/Aluminum/
5.1.5 Forged Brass Fittings—Forged brass fittings shall be
Polyethylene (PE/AL/PE) Composite Pressure Pipe
made from material meeting the re
...

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ASTM F1974-23(Specification)
Standard Specification for Metal Insert Fittings for Polyethylene/Aluminum/Polyethylene and Crosslinked Polyethylene/Aluminum/Crosslinked Polyethylene Composite Pressure Pipe

ABSTRACT
This specification covers metal insert fittings with split ring and compression nut (compression joint) and metal insert fittings with copper crimp rings (crimp joint) for four sizes of composite pressure pipe. These fittings are intended for use in cold- and hot-water distribution systems operating at a certain temperature range. These fittings are intended for use in potable water distribution systems for residential and commercial applications, water service, underground irrigation systems, and radient panel heating systems, baseboard, snow- and ice-melt systems, and gases that are compatible with the composite pipe and fittings. The fittings are classified into two classes with split ring and compression nut and fittings with a copper crimp ring, suitable for use with four sizes of PEX/AL/PEX or PE/AL/PE pipe. The fittings shall be made from one of the following metals: wrought copper, cast copper alloy, machined brass, and forged brass. Different tests shall be conducted in order to determine the following properties: hydrostatic burst, hydrostatic sustained pressure strength, thermocycling, and excessive temperature and pressure capability. The sealing surfaces of the insert shall be smooth and free of foreign material. The fitting walls shall be free of cracks, holes, blisters, voids, foreign inclusions or other defects that are visible to the naked eye and that affect the wall integrity.
SCOPE
1.1 This specification covers metal insert fittings with split ring and compression nut (compression joint) and metal insert fittings with copper crimp rings (crimp joint) for four sizes of composite pressure pipe. These fittings are intended for use in 125 psi (690 kPa) cold- and hot-water distribution systems operating at temperatures up to and including 180 °F (82 °C). (When used in polyethylene/aluminum/polyethylene systems the maximum operating temperature is limited by the pipe to 140 °F (60 °C) and where applicable 180 °F (82 °C)). Included are the requirements for materials, workmanship, burst pressure, sustained pressure, excessive temperature and pressure, temperature cycling tests, and markings to be used on the fittings and rings. The fittings covered by this specification are intended for use in potable water distribution systems for residential and commercial applications, water service, underground irrigation systems, and radient panel heating systems, baseboard, snow- and ice-melt systems, and gases that are compatible with the composite pipe and fittings.  
1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
Note 1: The tables show the “nominal size” in millimetres with the inch size in parentheses. This exception is made to harmonize the “nominal size” with the two pipe standards, Specifications F1281 and F1282.  
1.3 The following precautionary caveat pertains only to the test method portion, Section 9, of this specification. This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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ASTM F2080-23(Specification)
Standard Specification for Cold-Expansion Fittings with Metal Compression-Sleeves for Crosslinked Polyethylene (PEX) Pipe and SDR9 Polyethylene of Raised Temperature (PE-RT) Pipe

ABSTRACT
This specification covers cold-expansion fittings using metal compression-sleeves for use with cross-linked polyethylene (PEX) plastic pipe. These cold-expansion fittings and metal compression-sleeves are intended for use in residential and commercial, hot and cold, potable water distribution systems, as well as sealed central heating, including under-floor heating systems, with continuous operation. Cold-expansion fittings shall be made from one of the following materials: machined brass; machined stainless steel; machined carbon steel; forged brass; or cast copper alloys. Metal compression-sleeves shall be made from one of the following materials: machined brass; machined stainless steel; or plating. Dimension measurements shall be made in accordance with the specified requirements.
SCOPE
1.1 This specification covers cold-expansion fittings using metal compression-sleeves for use with crosslinked polyethylene (PEX) plastic pipe in 3/8-in., 1/2-in., 5/8-in., 3/4-in., 1-in., 11/4-in., 11/2-in., and 2 in. nominal diameters, meeting the requirements of Specification F876 or F3253, and for use with Polyethylene of Raised Temperature (PE-RT) pipe in 3/8 , 1/2 , 5/8 , 3/4 , 1, 1- 1/4 , nominal diameters meeting the requirements of Specification F2769, whereby the pipe is cold-expanded before fitting assembly. The components covered by this specification are intended for use in residential and commercial, hot and cold, potable water distribution systems or other applications such as municipal water service lines, building supply lines, radiant panel heating systems, hydronic baseboard heating systems, snow and ice melting systems, geothermal underground pipe systems and building services pipe with continuous operation at pressures up to and including 100 psi (690 kPa), and at temperatures up to and including 180 °F (82 °C).  
1.2 Included in this specification are the requirements for materials, workmanship, dimensions, and markings to be used on the fittings and compression-sleeves. Performance requirements are as referenced in Specification F877 for systems containing PEX pipe and Specification F2769 for systems containing PE-RT pipe.  
1.3 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.  
1.4 The following precautionary caveat pertains only to the test method portion, Section 10, of this specification.  This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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ASTM F1807-23(Specification)
Standard Specification for Metal Insert Fittings Utilizing a Copper Crimp Ring, or Alternate Stainless Steel Clamps, for SDR9 Cross-linked Polyethylene (PEX) Tubing and SDR9 Polyethylene of Raised Temperature (PE-RT) Tubing

ABSTRACT
This specification covers metal insert fittings and copper crimp rings for use with SDR9 cross-linked polyethylene (PEX) tubing. All performance tests shall be performed on assemblies of fittings, crimp rings, and PEX tubing. Fittings and crimp rings shall meet the material and dimensional requirements prescribed. The sealing surfaces of the insert shall be smooth and free of foreign material. Fitting walls shall be free of cracks, holes, blisters, voids, foreign inclusions, or other defects that are visible to the unaided eye and affect the wall integrity. Insert fittings shall be joined to PEX tubing by the compression of a copper crimp ring around the outer circumference of the tubing, forcing the tubing material into annular spaces formed by ribs on the fitting.
SCOPE
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1.1.1 When used with PEX tubing in accordance with Specification F876, the fittings covered by this specification are intended for use in, but not limited to, residential and commercial, hot- and cold-potable water distribution systems, reclaimed water, fire protection, municipal water service lines, building supply lines, radiant heating and cooling systems, hydronic distribution systems, snow and ice melting systems, geothermal ground loops, district heating, turf conditioning, compressed air distribution and building services pipe.  
1.1.2 When used with PEX tubing in accordance with Specification F3253, the fittings covered by this specification are intended for use in residential and commercial hydronic heating and cooling systems.  
1.1.3 When used with PE-RT tubing in accordance with Specification F2769, the fittings covered by this specification are intended for use in residential and commercial, hot- and cold-potable water distribution systems, and building supply lines.  
1.1.4 When used with PE-RT tubing in accordance with Specification F2623, the fittings covered by this specification are intended for use in general fluid transport, including hydronics and irrigations systems.  
1.1.5 The requirements for materials, workmanship, dimensions, and markings to be used on the fittings and rings are also included.
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SCOPE
1.1 This specification establishes requirements for fabricated fittings intended for use with outside-diameter controlled CX-PE pipe and tubing. These fittings are manufactured by heat-fusion joining shape-modified CX-PE components prepared from pipe, molded fittings, sheet, billet, or block. Included are requirements for materials, design, workmanship, minimum dimensions, marking, test methods, and quality control.  
1.2 Pressure rating of the fabricated-fitting design is beyond the scope of this standard and shall be established by the fitting manufacturer.  
1.3 Fittings manufactured in accordance with this specification are primarily intended to be joined to CX-PE pipes and used in CX-PE piping systems that are commissioned in accordance with a pipe manufacturer recommended commissioning practice. In addition, fittings manufactured in accordance with this specification that are ≥65 % crosslinked prior to installation can meet the additional requirements of Specification F2829.  
1.4 The pressure rating determined for a fitting will result in the fittings’ equivalent dimension ratio (EDR). The EDR specified by the fitting manufacturer is the DR of the piping system for which the fabricated fitting is intended to be joined. This standard specifies that fittings be fabricated from pipe sections of a lower DR than pipe that the fabricated fitting is intended to be joined to. This standard follows the pattern of Specification F2206 which specifies that the wall thickness of fabricated multiple segment elbow fittings shall be a minimum of 22 % more than the pipe to be joined to for example.
Note 1: Increased wall thickness alone is not necessarily sufficient to produce fittings adequate for use. Increased wall thickness without consideration of proper material placement can be detrimental to performance. Finite element analysis studies have shown that abrupt changes in fitting wall sections, such as between a heavy socket hub and body wall, concentrates stress at the transition point. Normal stresses from flex, pressure, expansion, and contraction in a plastic piping system can break a fitting at this point. Short transitions from 22 % thicker fittings to pipe or tubing create a similar condition.  
1.5 Design of fabricated fittings is outside of the scope of this standard. Requirements related to thicknesses and taper angles are intended to differentiate potentially good, fabricated fittings from fittings with a high risk of failure. Users of the standard are advised that for large or made-to-order fittings, minimal testing is required by this standard, and it may be insufficient itself to identify improperly designed and produced fittings made in accordance with this standard. The design and production of fittings made in accordance with this standard shall be performed by a fabricator with appropriate training, equipment and knowledge of fitting design and production.  
1.6 Pipe used to fabricate fittings in accordance with this specification shall be produced in accordance with pipe manufacturer specifications.  
1.7 The text of this specification references notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard.  
1.8 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Non-conformance with this practice is possible if values from the two systems are combined. Values in parentheses are conversions that are appropriately rounded for accuracy and precision; that are not exact equivalents, and that are for non-mandatory informational purposes.  
1.9 The following safety hazards caveat pertains only to the pressure test requirements 6.3 of this specification. This standard does not purport to address all of t...

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This specification covers requirements and test methods for the qualification of metallic mechanical fittings for use with outside diameter controlled thermoplastic gas distribution pipe and tubing. Types of mechanical fittings: clamped insert fitting; compression fitting; compression gasket fitting; and stab-type fitting. The following tests shall be performed: tensile strength test; temperature cycling test; constant tensile load joint test; and elevated temperature sustained pressure test.
SCOPE
1.1 This specification covers requirements and test methods for the qualification of metallic mechanical fittings for use with outside diameter controlled thermoplastic gas distribution pipe and tubing as specified in Specification D2513, F2785, or F2945.  
1.2 The test methods described are not intended to be routine quality control tests.  
1.3 This specification covers the types of mechanical fittings described in 3.3.  
1.4 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.  
1.5 The text of this standard references notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in tables and figures), shall not be considered as requirements of the standard.  
1.6 The following safety hazards caveat pertains only to the test method portion, Section 7, of this specification.  This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.7 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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Standard Specification for Stainless Steel Clamps for Securing SDR9 Cross-linked Polyethylene (PEX) Tubing and SDR9 Polyethylene of Raised Temperature (PE-RT) to Metal Insert and Plastic Insert Fittings

ABSTRACT
This specification covers stainless steel clamps for securing SDR9 cross-linked polyethylene (PEX) tubing to metal insert and plastic insert fittings. All performance tests shall be performed on assemblies of fittings, clamps and PEX tubing. Clamps shall meet the material and dimensional requirements prescribed. The surfaces of the clamps shall be smooth and free of foreign material. Clamps shall be free of cracks, holes, corrosion, voids, foreign inclusions, or other defects that are visible to the unaided eye that have potential to affect the clamp integrity. Insert fittings shall be joined to PEX tubing by deforming and locking a stainless steel clamp around the outer circumference of the tubing, forcing the tubing material into annular spaces formed by the ribs on the fitting. The clamping procedure shall be as follows: slide the clamp onto the tubing, insert the ribbed end of the fitting into the end of the tubing until the tubing contacts the shoulder of the fitting or tube stop.
SCOPE
1.1 This specification covers stainless steel clamps for use with five sizes of insert fittings that comply with F1807 or F2159, and cross-linked polyethylene (PEX) plastic tubing that complies with F876 and for use with polyethylene of raised temperature (PE-RT) tubing that complies with Specification F2769. These clamps are intended as an alternative to the copper-alloy crimp-rings of Specifications F1807 for use in 100 psi (689.5 kPa) cold- and hot-water distribution systems operating at temperatures up to and including 180°F (82°C). Included are requirements for materials, workmanship, dimensions and marking of the stainless steel clamps; requirements for deforming the clamps; which apply to assemblies of PEX tubing and Specifications F1807 and F2159, insert fittings secured with deformed clamps per this specification.  
1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.  
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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ASTM A500/A500M-23(Specification)
Standard Specification for Cold-Formed Welded and Seamless Carbon Steel Structural Tubing in Rounds and Shapes

ABSTRACT
This specification covers cold-formed welded and seamless carbon steel round, square, rectangular, or special shape structural tubing for welded, riveted, or bolted construction of bridges and buildings, and for general structural purposes. This tubing shall be produced in both welded and seamless sizes and must have the chemical requirements of carbon, manganese, phosphorus, sulfur, and copper. The steel shall be produced by either open-hearth, basic-oxygen, or electric-furnace melting process. When steels of different grades are sequentially strand cast, the steel producer shall identify the resultant transition material and remove it using an established procedure that positively separates the grades. The tubing shall then be made by a seamless or welding process. Welded tubing shall be made from flat-rolled steel by the electric-resistance-welding process. The longitudinal butt joint of welded tubing shall be welded across its thickness in such a manner that the structural design strength of the tubing section is assured. Tension test and flattening test shall be conducted to the specimens. All tubing shall be inspected at the place of manufacture to ensure conformance to the requirements of this specification and must have a workmanlike finish that is free from defects.
SCOPE
1.1 This specification covers cold-formed welded and seamless carbon steel round, square, rectangular, or special structural tubular shapes for welded, riveted, or bolted construction of bridges and buildings, and for general structural purposes.  
1.2 This tubing is produced in both welded and seamless sizes with a periphery of 88 in. [2235 mm] or less, and a specified wall thickness of 1.000 in. [25.4 mm] or less. Grade D requires heat treatment.
Note 1: Products manufactured to this specification may not be suitable for those applications such as dynamically loaded elements in welded structures, etc., where low-temperature notch-toughness properties, which are typically measured by Charpy Impact testing, may be important. There are other ASTM standards that do have CVN requirements and may be more suitable for those applications.  
1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard. The inch-pound units shall apply unless the “M” designation of this specification is specified in the order.  
1.4 The text of this specification contains notes and footnotes that provide explanatory material. Such notes and footnotes, excluding those in tables and figures, do not contain any mandatory requirements.  
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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ASTM A126-04(2023)(Specification)
Standard Specification for Gray Iron Castings for Valves, Flanges, and Pipe Fittings

ABSTRACT
This guide covers standard specification for three classes of gray iron for castings intended for use as valve pressure retaining parts, pipe fittings, and flanges. Chemical analysis shall be performed in each lot and shall conform to the required chemical composition for phosphorous and sulfur. Tension test shall be conducted on each class of gray iron castings and shall conform to the specified values of tensile strength. Tension test specimens shall have threaded ends and shall conform to the prescribed dimensions.
SCOPE
1.1 This specification covers three classes of gray iron for castings intended for use as valve pressure-retaining parts, pipe fittings, and flanges.  
1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
Note 1: The text of this standard references notes and footnotes which provide explanatory material. These notes and footnotes (excluding those in tables and figures) shall not be considered as requirements of the standard.  
1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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ASTM
ASTM F626-14(2023)(Specification)
Standard Specification for Fence Fittings

ABSTRACT
This specification covers the materials, coating requirements, and inspection of the following fence accessories that are used for chain-link fences: post and line caps; rail and brace ends; top rail sleeves; tie wires, clips, and fasteners; tension and brace bands; tension bars; truss rod assembly; barbed wire arms; color coating of fittings; and fitting size terminology.
SCOPE
1.1 This specification covers the materials, coating requirements, and inspection of fence accessories for chain-link fence for the following:  
1.1.1 Post and line caps,  
1.1.2 Rail and brace ends,  
1.1.3 Top rail sleeves,  
1.1.4 Tie wires, clips, and fasteners,  
1.1.5 Tension and brace bands,  
1.1.6 Tension bars,  
1.1.7 Truss rod assembly,  
1.1.8 Barbed wire arms,  
1.1.9 Color coating of fittings, and  
1.1.10 Fitting size terminology.  
1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.  
1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

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ASTM
ASTM A519/A519M-23(Specification)
Standard Specification for Seamless Carbon and Alloy Steel Mechanical Tubing

ABSTRACT
This specification covers for several grades of carbon and alloy steel mechanical tubing, either hot-finished or cold-finished. The steel used in the mechanical tubing may be cast in ingots or may be strand cast. When steel of different grades is sequentially strand cast, identification of the resultant transition material is required. The seamless tubing is a tubular product made without a welded seam. It is usually manufactured by hot working steel, and if necessary, by subsequently cold finishing the hot-worked tubular product to produce the desired shape, dimensions and properties. The tubes shall be furnished in the following shapes: round, square, rectangular and special sections. Heat analysis shall be made to determine the percentages of the elements specified. If secondary melting processes are used, the heat analysis shall be obtained from one remelted ingot or the product of one remelted ingot of each primary melt. The tubing shall be coated with a film of oil before shaping to retard rust when specified
SCOPE
1.1 This specification covers several grades of carbon and alloy steel seamless mechanical tubing. The grades are listed in Tables 1-3. When welding is used for joining the weldable mechanical tube grades, the welding procedure shall be suitable for the grade, the condition of the components, and the intended service.    
1.2 This specification covers both seamless hot-finished mechanical tubing and seamless cold-finished mechanical tubing in sizes up to and including 12 3/4 in. [325 mm] outside diameter for round tubes with wall thicknesses as required.  
1.3 The tubes shall be furnished in the following shapes, as specified by the purchaser: round, square, rectangular, and special sections.  
1.4 Supplementary requirements of an optional nature are provided and when desired shall be so stated in the order.  
1.5 The values stated in either SI units or inch-pound units are to be regarded separately as the standard. Within the text, the SI units are shown in brackets or parentheses. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard. The inch-pound units shall apply unless the “M” designation of this specification is specified in the order. In this specification hard or rationalized conversions apply to diameter, lengths and tensile properties. Soft conversion applies to other SI measurements.  
1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

  • Technical specification
    14 pages
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  • Technical specification
    14 pages
    English language
    sale 15% off