SIST EN 10216-2:2003
(Main)Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 2: Non-alloy and alloy steel tubes with specified elevated temperature properties
Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 2: Non-alloy and alloy steel tubes with specified elevated temperature properties
This Part of EN 10216 specifies the technical delivery conditions in two test categories for seamless tubes of circular cross section, with specified elevated temperature properties, made of non-alloy and alloy steel.
NOTE This Part of EN 10216 may also be applied for tubes of non-circular cross section; necessary modification should be agreed at the time of enquiry and order.
Nahtlose Stahlrohre für Druckbeanspruchungen - Technische Lieferbedingungen - Teil 2: Rohre aus unlegierten und legierten Stählen mit festgelegten Eigenschaften bei erhöhten Temperaturen
Dieser Teil der EN 10216 enthält die technischen Lieferbedingungen für nahtlose Rohre mit kreisförmigem Querschnitt aus unlegiertem und legiertem Stahl mit festgelegten Eigenschaften bei erhöhten Temperaturen und legt dafür zwei Prüfkategorien fest.
ANMERKUNG Dieser Teil der EN 10216 kann auch für Rohre mit nichtkreisförmigem Querschnitt angewendet werden; notwendige Anpassungen sollten bei der Anfrage und Bestellung vereinbart werden.
Tubes sans soudure en acier pour service sous pression - Conditions techniques de livraison - Partie 2: Tubes en acier non allié et allié avec caractéristiques spécifiées a température élevée
La présente partie de la norme européenne spécifie les conditions techniques de livraison, selon deux catégories d'essai, pour les tubes sans soudure a section circulaire en acier non allié et allié, avec caractéristiques spécifiées a température élevée. Il est important que l'acheteur, lors de l'appel d'offres et de la commande, prenne en compte les exigences des reglementations nationales appropriées pour l'application visée.
Nevarjene jeklene cevi za tlačne posode - Tehnični dobavni pogoji - 2. del: Nelegirane in legirane jeklene cevi s specificiranimi lastnostmi za delo pri povišanih temperaturah
General Information
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Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Nahtlose Stahlrohre für Druckbeanspruchungen - Technische Lieferbedingungen - Teil 2: Rohre aus unlegierten und legierten Stählen mit festgelegten Eigenschaften bei erhöhten TemperaturenTubes sans soudure en acier pour service sous pression - Conditions techniques de livraison - Partie 2: Tubes en acier non allié et allié avec caractéristiques spécifiées a température élevéeSeamless steel tubes for pressure purposes - Technical delivery conditions - Part 2: Non-alloy and alloy steel tubes with specified elevated temperature properties77.140.75Jeklene cevi in cevni profili za posebne nameneSteel pipes and tubes for specific use23.020.30MHNOHQNHPressure vessels, gas cylindersICS:Ta slovenski standard je istoveten z:EN 10216-2:2002SIST EN 10216-2:2003en01-april-2003SIST EN 10216-2:2003SLOVENSKI
STANDARD
SIST EN 10216-2:2003
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 10216-2May 2002ICS 23.040.10; 77.140.75English versionSeamless steel tubes for pressure purposes - Technical deliveryconditions - Part 2: Non-alloy and alloy steel tubes with specifiedelevated temperature propertiesTubes sans soudure en acier pour service sous pression -Conditions techniques de livraison - Partie 2: Tubes enacier non allié et allié avec caractéristiques spécifiées àtempérature élevéeNahtlose Stahlrohre für Druckbeanspruchungen -Technische Lieferbedingungen - Teil 2: Rohre ausunlegierten und legierten Stählen mit festgelegtenEigenschaften bei erhöhten TemperaturenThis European Standard was approved by CEN on 25 April 2002.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Management Centre or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2002 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 10216-2:2002 ESIST EN 10216-2:2003
EN 10216-2:2002 (E)2ContentsForeword.31SCOPE.42NORMATIVE REFERENCES.43TERMS AND DEFINITIONS.54SYMBOLS.55CLASSIFICATION AND DESIGNATION.65.1Classification.65.2Designation.66INFORMATION TO BE SUPPLIED BY THE PURCHASER.66.1Mandatory information.66.2Options.76.3Examples of an order.77MANUFACTURING PROCESS.87.1Steel making process.87.2Deoxidation process.87.3Tube manufacture and delivery conditions.88REQUIREMENTS.88.1General.88.2Chemical composition.98.3Mechanical properties.138.4Appearance and internal soundness.188.5Straightness.188.6Preparation of ends.188.7Dimensions, masses and tolerances.199INSPECTION.249.1Types of inspection.249.2Inspection documents.249.3Summary of inspection and testing.2410SAMPLING.2510.1Frequency of tests.2510.2Preparation of samples and test pieces.2611TEST METHODS.2711.1Chemical analysis.2711.2Tensile test.2711.3Flattening test.2811.4Ring tensile test.2911.5Drift expanding test.2911.6Ring expanding test.3011.7Impact test.3011.8Leak tightness test.3111.9Dimensional inspection.3211.10Visual examination.3211.11Non-destructive testing.3211.12Material identification.3211.13Retests, sorting and reprocessing.3212MARKING.3312.1Marking to be applied.3312.2Additional marking.3313PROTECTION.33Annex A (Informative)
Creep rupture strength values.34Annex ZA (informative).39Bibliography (Informative).40SIST EN 10216-2:2003
EN 10216-2:2002 (E)3ForewordThis document (EN 10216-2:2002) has been prepared by Technical Committee ECISS/TC 29, "Steel tubes andfittings for steel tubes", the secretariat of which is held by UNI.This European Standard shall be given the status of a national standard, either by publication of an identical textor by endorsement, at the latest by November 2002, and conflicting national standards shall be withdrawn at thelatest by November 2002.This document has been prepared under a mandate given to CEN by the European Commission and theEuropean Free Trade Association, and supports essential requirements of EU Directive(s).For relationship with EU Directive(s), see informative annex ZA, which is an integral part of this document.Other Parts of EN 10216 are:Part 1:Non-alloy steel tubes with specified room temperature properties.Part 3 :Alloy fine grain steel tubesPart 4 :Non-alloy and alloy steel tubes with specified low temperature propertiesPart 5 :Stainless steel tubesAnother European Standard series covering tubes for pressure purposes is:EN 10217:Welded steel tubes for pressure purposesAccording to the CEN/CENELEC Internal Regulations, the national standards organizations of the followingcountries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland,France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Spain,Sweden, Switzerland and the United Kingdom.SIST EN 10216-2:2003
EN 10216-2:2002 (E)41 SCOPEThis Part of EN 10216 specifies the technical delivery conditions in two test categories for seamless tubes ofcircular cross section, with specified elevated temperature properties, made of non-alloy and alloy steel.NOTEThis Part of EN 10216 may also be applied for tubes of non-circular cross section; necessary modification shouldbe agreed a the time of enquiry and order.2 NORMATIVE REFERENCESThis European Standard incorporates by date or undated reference, provisions from other publications. Thesenormative references are cited at the appropriate places in the text and the publications are listed hereafter. Fordate references, subsequent amendments to or revisions of, any of these publications apply to this EuropeanStandard only when incorporated in it by amendment or revision. For undated references the latest edition of thepublication referred to applies (including amendments).The requirements of this European Standard rule when they differ from those in the standards and documentsreferred to below:EN 10002-1, Metallic materials - Tensile testing - Part 1: Method of test (at ambient temperature).EN 10002-5, Metallic materials - Tensile testing - Part 5: Method of testing (at elevated temperature).EN 10020, Definitions and classification of grades of steel.EN 10021, General technical delivery requirements for steel and iron products.EN 10027-1, Designation systems for steels - Part 1 : Steel names, principle symbols.EN 10027-2, Designation systems for steels - Part 2: Numerical systems.EN 10045-1, Metallic materials - Charpy impact test - Part 1: Test method.EN 10052, Vocabulary of heat treatment terms for ferrous products.EN 10204, Metallic products - Types of inspection documents.ENV 10220, Seamless and welded steel tubes - Dimensions and masses per unit lengthEN 10233, Metallic materials - Tubes - Flattening test.EN 10234, Metallic materials - Tubes - Drift expanding test.EN 10236, Metallic materials - Tubes - Ring expanding test.EN 10237, Metallic materials - Tubes - Ring tensile test.EN 10246-1, Non-Destructive Testing
of steel tubes Part 1 : Automatic electromagnetic testing of seamless andwelded (except submerged arc welded) ferromagnetic steel tubes for verification of hydraulic leak-tightness.EN 10246-5, Non-Destructive Testing
of steel tubes – Part 5: Automatic full peripheral magnetic transducer/fluxleakage testing of seamless and welded (except submerged arc-welded) ferromagnetic steel tubes for thedetection of longitudinal imperfections.EN 10246-6, Non-Destructive
Testing of steel tubes - Part 6: Automatic full peripheral ultrasonic testing ofseamless steel tubes for the detection of transverse imperfections.SIST EN 10216-2:2003
EN 10216-2:2002 (E)5EN 10246-7, Non-Destructive Testing
of steel tubes - Part 7 : Automatic full peripheral ultrasonic testing ofseamless and welded (except submerged arc welded) steel tubes for the detection of longitudinal imperfections.EN 10246-14, Non-Destructive Testing of steel tubes - Part 14:Automatic ultrasonic testing of seamless andwelded (except submerged arc welded) steel tubes for the detection of laminar imperfections.EN 10256, Non-Destructive Testing of steel tubes - Qualification and competence of level 1 and level 2 NDTpersonnel.EN ISO 377, Steel and steel products - Location and preparation of samples and test pieces for mechanicaltesting (ISO 377:1997)prEN 101681) , Iron and steel products - Inspection documents - List of information and description.prEN 102661), Steel tubes, fittings and structural hollow sections - Symbols and definition of terms for use inproduct standardsEN ISO 2566-1, Steel - Conversion of elongation values – Part 1: Carbon and low-alloy steels (ISO 2566-1:1984)ISO 14284, Steel and iron - Sampling and preparation of samples for the determination of chemical compositionCR 10260, Designation systems for steel - Additional symbolsCR 10261, ECISS Information Circular IC 11 - Iron and steel - Review of available methods of chemical analysis.3 TERMS AND DEFINITIONSFor the purposes of this Part of EN 10216, the terms and definitions given in EN 10020, EN 10021, EN 10052 andprEN 10266 and the following apply:3.1test categoryclassification that indicates the extent and level of inspection and testing3.2employerorganisation for which a person works on a regular basis.NOTEThe employer may be either the tube manufacturer or supplier or a third party organisation providing,
Non-Destructive Testing (NDT) services.4 SYMBOLSFor the purpose of this Part of EN 10216, the symbols given in prEN 10266 and the following apply: d
specified inside diameter; dminspecified minimum inside diameter; Tminspecified minimum wall thickness; Dccalculated outside diameter; dccalculated inside diameter;
1)In preparation; until this document is published as a European Standard, the corresponding nationalstandard(s) should be agreed at the time of enquiry and order.SIST EN 10216-2:2003
EN 10216-2:2002 (E)6 Tccalculated wall thickness; TCtest category5 CLASSIFICATION AND DESIGNATION5.1 ClassificationIn accordance with the classification system in EN 10020, the steel grades P195GH, P235GH and P265GH areclassified as non-alloy quality steels and the other steel grades are classified as alloy special steels.5.2 Designation5.2.1For the tubes covered by this Part of EN 10216 the steel designation consists of: the number of this Part of EN 10216;plus either: the steel name in accordance with EN 10027-1 and CR 10260;or:the steel number allocated in accordance with EN 10027-2.5.2.2The steel name of non-alloy steel grades is designated by: the capital letter P for pressure purposes; the indication of the specified minimum yield strength at room temperature for wall thickness less than orequal to 16 mm, expressed in MPa
(see Table 4): the symbols GH for elevated temperature.5.2.3The steel name of alloy steel grades is designated by the chemical composition (see Table 2) and thesymbols for the heat treatment, where specified in column 3 and footnote 3 of Table 1.6 INFORMATION TO BE SUPPLIED BY THE PURCHASER6.1 Mandatory informationThe following information shall be supplied by the purchaser at the time of enquiry and order:a) the quantity (mass or total length or number);b) the term "tube";c) the dimensions (outside diameter
D and wall thickness T or a set of dimensions covered by Option 11) (seeTable 6);d) the designation of the steel grade in accordance with this Part of EN 10216 (see 5.2);e) the test category for non-alloy steel (see 9.3).SIST EN 10216-2:2003
EN 10216-2:2002 (E)76.2 OptionsA number of options are specified in this Part of EN 10216 and these are listed below. In the event that thepurchaser does not indicate a wish to implement any of these options at the time of enquiry and order, the tubesshall be supplied in accordance with the basic specification (see 6.1).1) Cold finishing (see 7.3.2).2) Restriction on copper and tin content (see Table 2).3) Product analysis (see 8.2.2).4) Impact testing (see Table 4).5) Longitudinal impact testing at -10° C
for non-alloy steel
grades (see Table 4).6) Tensile testing at elevated temperature (see 8.3.2).7) Selection of leak-tightness test method (see 8.4.2.1).8) Non-Destructive Testing for test category 2 tubes for detection of transverse imperfections (see8.4.2.2).9) Non-Destructive Testing for test category 2 tubes for detection of laminar imperfections (see 8.4.2.2).10) Special ends preparation (see 8.6).11) Set of dimensions other than D and T (see 8.7.1).12) Exact lengths (see 8.7.3).13) The type of inspection document other than the standard document (see 9.2.1).14) Test pressure for hydrostatic leak-tightness test (see 11.8.1).15) Wall thickness measurement away from the ends (see 11.9).16) Non-Destructive Testing method (see 11.11.1).17) Additional marking (see 12.2).18) Protection (see 13).6.3 Examples of an order6.3.1 Example 1100 t of seamless tube with an outside diameter of 168,3 mm, a wall thickness of 4,5 mm, in accordance with EN10216-2,
made of steel grade P265GH, to test category 1 with a 3.1.C inspection certificate in accordance withEN 10204:100 t - Tube - 168,3 x 4,5 - EN 10216-2 - P265GH - TC1 - Option 13: 3.1.C6.3.2 Example 2100 m of seamless tube with a minimum inside diameter of 240 mm, a minimum wall thickness of 40 mm inaccordance with Part of EN 10216, made of steel grade 10CrMo9-10, with a 3.1.C inspection certificate inaccordance with EN 10204:100 m - Tube - dmin 240 x Tmin 40 - EN 10216-2 - 10CrMo9-10 - Option 13: 3.1.CSIST EN 10216-2:2003
EN 10216-2:2002 (E)87 MANUFACTURING PROCESS7.1 Steel making processThe steel making process is at the discretion of the manufacturer.7.2 Deoxidation processSteels shall be fully killed.7.3 Tube manufacture and delivery conditions7.3.1All NDT activities shall be carried out by qualified and competent level 1,2 and/or 3 personnel authorisedto operate by the employer.The qualification shall be in accordance with EN 10256 or, at least, an equivalent to it.It is recommended that the level 3 personnel be certified in accordance with EN 473 or, at least, an equivalent toit.The operating authorisation issued by the employer shall be in accordance with a written procedure.NDT operations shall be authorised by level 3 NDT individual approved by the employer.NOTEThe definition of level 1, 2 and 3 can be found in appropriate Standards, e.g. EN 473 and prEN 102567.3.2The tubes shall be manufactured by a seamless process.Unless option 1 is specified, the tubes may be either hot or cold finished at the discretion of the manufacturer.The terms “ hot finished “ and “ cold finished “ apply to the condition of the tube before it is heat treated inaccordance with7.3.3.Option 1: The tubes shall be cold finished before heat treatment.7.3.3The tubes shall be supplied in the relevant heat treatment conditions as specified in Table 1.8 REQUIREMENTS8.1 GeneralWhen supplied in a delivery condition indicated in clause 7.3 and inspected in accordance with clauses 9, 10 and11, the tubes shall conform to the requirements of this Part of EN 10216.In addition, the general technical delivery requirements specified in EN 10021 shall apply.Tubes shall be suitable for hot and cold bending provided the bending is carried out in an appropriate manner.When tubes are specified in the order by d, dmin or Tmin the following equations, with all terms in mm, shall applyfor the calculation of outside diameter Dc, inside diameter dc and wall thickness Tc, instead of D, d and T for therelevant requirements in clauses 8.4.1.4, 10.2.2.2, 11.3, 11.8.1, 11.9, 11.11.4, 12.1 and Table 1, footnote c,Tables 4, 5, 8, 10, 13 and 14:Dc = Td2(1)Dc
= Tdoftoleranced22minmin(2)SIST EN 10216-2:2003
EN 10216-2:2002 (E)9dc = 2minmindoftoleranced(3)Tc = 2minminToftoleranceT(4)For tolerance see Tables 8, 9 and 10.8.2 Chemical composition8.2.1 Cast analysisThe cast analysis reported by the steel producer shall apply and conform to the requirements of Table 2.NOTEWhen welding tubes produced in accordance with this Part of this EN 10216, account should be taken of the factthat the behaviour of the steel during and after welding is dependent not only on the steel, but also on the applied heattreatment and the conditions of preparing for and carrying out the welding.8.2.2 Product analysisOption 3 : Product analysis for the tubes shall be supplied.Table 3 specifies the permissible deviations of the product analysis from the specified limits on cast analysisgiven in Table 2.SIST EN 10216-2:2003
EN 10216-2:2002 (E)10Table 1 — Heat treatment conditionsSteel gradeHeattreatment aAustenizingTemperingSteelnameSteelnumberTemperature°CCoolingMediumTemperature°CCoolingmediumP195GH1.0348+N b880 to 940Air--P235GH1.0345+N b880 to 940Air--P265GH1.0425+N b880 to 940Air--20MnNb61.0471+N b900 to 960Air--16Mo31.5415+N b890 to 950Air--8MoB5-41.5450+N b920 to 960Air--14MoV6-31.7715+NT b c930 to 990Air680 to730air10CrMo5-51.7338+NT b c900 to 960Air650 to 750air13CrMo4-51.7335+NT b c900 to 960Air660 to 730air10CrMo9-101.7380+NT b c900 to 960Air680 to 750air11CrMo9-101.7383+QT900 to 960Air or Liquid680 to 750air25CrMo41.7218+QT860 to 900Air or Liquid620 to 680air20CrMoV13-5-51.7779+QT980 to 1030Air or Liquid680 to 730air15NiCuMoNb5-6-41.6368+NT c880 to 980Air580 to 680airX11CrMo5+I1.7362+I+I890 to 950FurnaceAtmosphere--X11CrMo5+NT11.7362+NT1+NT1930 to 980Air730 to 770airX11CrMo5+NT21.7362+NT2+NT2 c930 to 980air710 to 750airX11CrMo9-1+I1.7386+I+I950 to 980FurnaceAtmosphere--X11CrMo9-1+NT1.7386+NT+NT c890 to 950air720 to 800airX10CrMoVNb9-11.4903+NT c1040 to 1090air730 to 780airX20CrMoV11-11.4922+NT c1020 to 1080air730 to 780aira +N = Normalising, +NT = Normalising + Tempering, +QT = Quenching + Tempering (air or liquid), +I = IsothermalAnnealing.b Normalising includes Normalising Forming.c For these steel grades it may be necessary in the case of wall thickness T above 25 mm or T/D > 0,15 to apply quenchingand tempering in order to achieve the intended structure and material properties . The decision shall be left to the discretionof the manufacturer but shall be stated to the customer at the time of enquiry and order. Steel tubes treated in such a wayshall be designated by the steel name supplemented by the symbol “+QT “.SIST EN 10216-2:2003
EN 10216-2:2002 (E)11Table 2 — Chemical composition (cast analysis) a, in % by massSteel gradeCSiMnPmaxSmaxCrMoNiAl totCuNbTimaxVCr+Cu+Mo+NiOthersSteel nameSteelnumber195GH1.0348 0,13 0,35 0,700,0250,020 0,30 0,08 0,30 0,020 b 0,30 c 0,010d0,040 d 0,02 d 0,70-P235GH1.0345 0,16 0,35 1,200,0250,020 0,30 0,08 0,30 0,020 b 0,30 c 0,010 d0,040 d 0,02 d 0,70-P265GH1.0425 0,20 0,40 1,400,0250,020 0,30 0,08 0,30 0,020 b 0,30 c 0,010 d0,040 d 0,02 d 0,70-20MnNb61.0471 0,220,15to0,351,00to1,500,0250,020--- 0,060 0,30 c0,015to0,10----16Mo31.54150,12to0,20 e 0,350,40to0,900,0250,020 0,300,25to0,35 0,30 0,040 0,30 c-----8MoB5-41.54500,06to0,100,10to0,350,60to0,800,0250,020 0,200,40to0,50- 0,060 0,30 c-0,060--B =0,002to0,00614MoV631.77150,10to0,150,15to0,350,40to0,700,0250,0200,30to0,600,50to0,70 0,30 0,040 0,30 c--0,22to0,28--10CrMo5-51.7338 0,150,50to1,000,30to0,600,0250,0201,00to1,500,45to0,65 0,30 0,040 0,30 c-----13CrMo4-51.73350,10to0,17 e 0,350,40to0,700,0250,0200,70to1,150,40to0,60 0,30 0,040 0,30 c-----10CrM09-101.73800,08to0,14 0,500,30to0,700,0250,0202,00to2,500,90to1,10 0,30 0,040 0,30 c--.--11CrMo9-101.73830,08to0,15 0,500,40to0,800,0250,0202,00to2,500,90to1,10 0,30 0,040 0,30 c--.--SIST EN 10216-2:2003
EN 10216-2:2002 (E)12Table 2 (continued)Steel gradeCSiMnPmaxSmaxCrMoNiAl totCuNbTiVCr+Cu+Mo+NiOthersSteel nameSteel number25CrMo41.72180,22to0,29 0,400,60to0,900,0250,0200,90to1,200,15to0,30 0,30 0,040 0,30 c-----20CrMoV13-5-51.77790,17to0,230,15to0,350,30to0,500,0250,0203,00 to3,300,50to0,60 0,30 0,040 0,30 c--0,45to0,55--15NiCuMoNb5-6-41.6368 0,170,25to0,500,80to1,200,0250,020 0,300,25to0,501,00to1,30 0,0500,50to0,800,015to0,045----X11CrMo5+IX11CrMo5+NT1X11CrMo5+NT21.7362+I1.7362+NT11.7362+NT20,08to0,150,15to0,500,30to0,600,0250,0204,00to6,000,45to0,65 0,040 0,30cX11CrMo9-1+IX11CrMo9-1+NT1.7386+I1.7386+NT0,08to0,150,25to1,000,30to0,600,0250,0208,00to10,000,90to1.10 0,040 0,30 cX10CrMoVNb9-11.49030,08to0,120,20to0,500,30to0,600,0200,0108,00to9,500,85to1,05 0,40 0,040 0,30 c0,06to0,10-0,18to0,25-N =0,030to0,070X20CrMoV11-11.49220,17to0,23f0,15to0,50 1,000,0250,02010,00to12,500,80to1,200,30to0,80 0,040 0,30 c--0,25to0.35--a Elements not included in this Table shall not be intentionally added to the steel without the agreement of the purchaser, except for elements which may be added for finishing the cast. Allappropriate measures shall be taken to prevent the addition of undesirable elements from scrap or other materials used in the steel making process.b This requirement is not applicable provided the steel contains a sufficient amount of other nitrogen binding elements which shall be reported. When using titanium, the producer shall verifythat (Al+Ti/2)0,020%c Option 2: In order to facilitate subsequent forming operations, an agreed maximum copper content lower than indicated and an agreed specified maximum tin content shall applyd The content of these elements need not to be reported unless intentionally added to the cast.e For wall thickness
30 mm the carbon content may be increased by 0,02 % for cast and product analysis.f The upper carbon value of 0,23 % shall not be exceeded for product analysis.SIST EN 10216-2:2003
EN 10216-2:2002 (E)13Table 3 — Permissible deviations of the product analysis from specified limits on cast analysis givenin Table 2ElementLimiting value for the cast analysis inaccordance with Table 2% by massPermissible deviation of the productanalysis% by massC 0,29
0,02 0,40
0,05Si 0,40
to
1,00
0,06 1,00
0,05Mn 1,00
to
1,50
0,10P 0,025+ 0,005 0,010+ 0,003S 0,010
0,020+ 0,005Al 0,060
0,005B 0,006
0,001 1,00
0,05 1,00
to
10,00
0,10Cr 10,00
to
12,50
0,15Cu 0,80
0,05 0,35
0,03Mo 0,35
to
1,20
0,04N 0,070
0,01Nb 0,10
0,005 0,35
0,05Ni 0,35
to
1,30
0,07Ti 0,060+ 0,010 0,10+ 0,01V 0,10
to
0,55
0,038.3 Mechanical properties8.3.1 Mechanical properties at and below room temperatureThe mechanical properties at and below room temperature of the tubes
shall conform to
the requirements inTable 4 and in clauses 11.3, 11.4, 11.5 and 11.6.8.3.2 Proof strength at elevated temperatureThe minimum proof strength Rp0,2 values at elevated temperature are given in Table 5.Option 6: Proof strength Rp0,2 shall be verified. The test temperature shall be specified at the time
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