SIST EN 10216-3:2003
(Main)Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 3: Alloy fine grain steel tubes
Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 3: Alloy fine grain steel tubes
This Part of EN 10216 specifies the technical delivery conditions in two categories for seamless tubes of circular cross section, made of weldable alloyed fine grained steel.
Nahtlose Stahlrohre für Druckbeanspruchungen - Technische Lieferbedingungen - Teil 3: Rohre aus legierten Feinkornbaustählen
Dieser Teil der EN 10216 enthält die technischen Lieferbedingungen für nahtlose Rohre mit kreisförmigem Querschnitt aus schweißbaren legierten Feinkornbaustählen und legt dafür zwei Prüfkategorien fest.
Tubes sans soudure en acier pour service sous pression - Conditions techniques de livraison - Partie 3: Tubes en acier allié a grain fin
La présente partie de l'EN 10216 spécifie les conditions techniques de livraison, selon deux catégories d'essai, pour les tubes sans soudure a section circulaire en acier allié soudable a grain fin.
Nevarjene jeklene cevi za tlačne posode - Tehnični dobavni pogoji - 3. del: Legirane jeklene cevi z drobnozrnato mikrostrukturo
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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Nahtlose Stahlrohre für Druckbeanspruchungen - Technische Lieferbedingungen - Teil 3: Rohre aus legierten FeinkornbaustählenTubes sans soudure en acier pour service sous pression - Conditions techniques de livraison - Partie 3: Tubes en acier allié a grain finSeamless steel tubes for pressure purposes - Technical delivery conditions - Part 3: Alloy fine grain steel tubes77.140.75Jeklene 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 10216-3:2002SIST EN 10216-3:2003en01-april-2003SIST EN 10216-3:2003SLOVENSKI
STANDARD
SIST EN 10216-3:2003
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 10216-3May 2002ICS 23.040.10; 77.140.75English versionSeamless steel tubes for pressure purposes - Technical deliveryconditions - Part 3: Alloy fine grain steel tubesTubes sans soudure en acier pour service sous pression -Conditions techniques de livraison - Partie 3: Tubes enacier allié à grain finNahtlose Stahlrohre für Druckbeanspruchungen -Technische Lieferbedingungen - Teil 3: Rohre aus legiertenFeinkornbaustählenThis 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 10216-3:2002 ESIST EN 10216-3:2003
EN 10216-3:2002 (E)2ContentsForeword.31SCOPE.42NORMATIVE REFERENCES.43TERMS AND DEFINITIONS.54SYMBOLS.65CLASSIFICATION AND DESIGNATION.65.1Classification.65.2Designation.66INFORMATION TO BE SUPPLIED BY THE PURCHASER.76.1Mandatory information.76.2Options.76.3Examples of an order.87MANUFACTURING PROCESS.87.1Steelmaking process.87.2Deoxidation process.87.3Tube manufacture and delivery conditions.88REQUIREMENTS.98.1General.98.2Chemical composition.98.3Mechanical properties.108.4Appearance and internal soundness.178.5Straightness.178.6Preparation of ends.178.7Dimensions, masses and tolerances.189INSPECTION.229.1Types of inspection.229.2Inspection documents.229.3Summary of inspection and testing.2310SAMPLING.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.2811.5Drift expanding test.2811.6Ring expanding test.2911.7Impact test.2911.8Leak tightness test.2911.9Dimensional inspection.3011.10Visual examination.3011.11Non-destructive testing.3011.12Material identification.3111.13Retests , sorting and reprocessing.3112MARKING.3112.1Marking to be applied.3112.2Additional marking.3113PROTECTION.31Annex A (normative).32Annex ZA (informative).33Bibliography.34SIST EN 10216-3:2003
EN 10216-3:2002 (E)3ForewordThis document (EN 10216-3:2002) has been prepared by Technical Committee ECISS/TC 29, "Steel tubesand fittings 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 identicaltext or by endorsement, at the latest by November 2002, and conflicting national standards shall bewithdrawn at the latest 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 propertiesPart 2 :Non-alloy and alloy steel tubes with specified elevated temperature propertiesPart 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 10216-3:2003
EN 10216-3:2002 (E)41 SCOPEThis Part of EN 10216 specifies the technical delivery conditions in two test categories for seamless tubes ofcircular cross section, made of weldable alloyed fine grained steel.2 NORMATIVE REFERENCESThis European Standard incorporates by date or undated reference, provisions from other publications.These normative references are cited at the appropriate places in the text and the publications are listedhereafter. For date references, subsequent amendments to or revisions of, any of these publications apply tothis European Standard only when incorporated in it by amendment or revision. For undated references thelatest edition of the publication referred to applies (including amendments).The requirements of this European Standard rule when they differ from those in the standards anddocuments referred 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 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.EN 10027-1, Designation systems for steels - Part 1 : Steel names, principle symbols.EN 10027-2, Designation systems for steels Part 2 : Numerical systems.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 seamlessand welded (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 magnetictransducer/flux leakage testing of seamless and welded (except submerged arc-welded) ferromagnetic steeltubes for the detection 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.EN 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 longitudinalimperfections.SIST EN 10216-3:2003
EN 10216-3:2002 (E)5EN 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)EN ISO 2566-1, Steel - Conversion of elongation values – Part 1: Carbon and low-alloy steels (ISO 2566-1:1984)prEN 101681), Iron and steel products - Inspection documents - List of information and descriptionprEN 102661), Steel tubes, fittings and structural hollow sections - Symbols and definition of terms for use inproduct standardsEURONORM 1032), Microscopic determination of ferritic grain size of steel.ISO 14284, Steel and iron - Sampling and preparation of samples for the determination of chemicalcompositionCR 10260, Designation systems for steel - Additional symbolsCR 10261, ECISS Information Circular IC 11 - Iron and steel - Review of available methods of chemicalanalysis.3 TERMS AND DEFINITIONSFor the purposes of this Part of EN 10216, the terms and definitions given in EN 10020, EN 10021,EN 10052, prEN 10266 and the following apply:3.1test categoryclassification that indicates the extent and level of inspection and testing.3.2employerorganisation 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.3.3fine grain steelsteel having a ferritic grain size equal to or finer than 6 in accordance with EURONORM 103
1)In preparation; until this document is published as a European Standard, the corresponding national standard(s)should be agreed at the time of enquiry and order.2)Until this EURONORM is transformed into an a European Standard, it can be implemented or the correspondingnational standard may
be agreed at the time of enquiry and order.SIST EN 10216-3:2003
EN 10216-3:2002 (E)64 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; Tccalculated wall thickness; TCtest category5 CLASSIFICATION AND DESIGNATION5.1 Classification5.1.1This Part of EN 10216 covers steel grades in four qualities (see Tables 2 and 4): the basic quality (P . N, Q); the elevated temperature quality (P . NH, QH); the low temperature quality (P . NL1, QL, QL1); the special low temperature quality (P . NL2, QL2).5.1.2In accordance with the classification system in EN 10020, the steel grades P275NL1, P355N,P355NH and P355NL1 are classified as alloy quality steels and the other steel grades are classified as alloyspecial steels.5.2 Designation5.2.1For the tubes covered by this Part of EN 10216 steel the 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 is designated by: the capital letter P for pressure purposes; the indication of the specified minimum yield strength for the lowest applicable wall thickness groupexpressed in megapascals, (Table 4); one of the additional symbols N, NH, NL1, NL2, Q, QH, QL, QL1 or QL2 (see 5.1.1, Tables 2 and 4).SIST EN 10216-3:2003
EN 10216-3:2002 (E)76 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 10)(see Table 7);d) the designation of the steel grade in accordance with this Part of EN 10216 (see 5.2);e) the test category, except for P620 and P690 (see 9.3).6.2 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, thetubes shall 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) Verification of elevated temperature properties of NH-grades (see 8.3.2).5) Verification of elevated temperature properties of NL- and QL-grades (see 8.3.2).6) Selection of leak-tightness test method (see 8.4.2.1).7) Non-Destructive Testing for test category 2 tubes for detection of transverse imperfections (see8.4.2.2)8) Non-Destructive Testing for test category 2 tubes for the detection of laminar imperfections (see8.4.2.2).9) Special ends preparation (see 8.6).10) Set of dimensions other than D and T (see 8.7.1).11) Exact lengths (see 8.7.3).12) The type of inspection document other than the standard document (see 9.2.1).13) Additional impact test at test temperature different from standard test temperature (see Table 16).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 clause 13).SIST EN 10216-3:2003
EN 10216-3:2002 (E)86.3 Examples of an order500 m of seamless tube with an outside diameter of 168,3 mm, a wall thickness of 4,5 mm in accordancewith EN 10216-3,
made of steel grade P355N, test category 1, with a 3.1.C inspection certificate inaccordance with EN 10204:500 m – Tube – 168,3 x 4,5 – EN 10216-3 – P355N – TC1 – Option 12: 3.1.C7 MANUFACTURING PROCESS7.1 Steelmaking processThe steelmaking process is at the discretion of the manufacturer.7.2 Deoxidation processSteels shall be fully killed and be made to a fine grain practice (see 3.3).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 personnelauthorised to 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, anequivalent to it.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 EN 102567.3.2 The 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 themanufacturer. The terms “ hot finished “ and “ cold finished “ apply to the condition of the tube before it isheat treated in accordance with 7.3.3.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 andTable 4.Table 1 — Forming operation
and delivery conditionFormingoperationHeat treatmentconditionSymbolfor the delivery conditionNormalised a b+NHot finishedQuenched and tempered+QTNormalised b+NHot rolled + cold finishedQuenched and tempered+QTa See 7.3.4b See 7.3.5SIST EN 10216-3:2003
EN 10216-3:2002 (E)97.3.4In case of steel grade P355N and P355NH normalising may be replaced by normalising forming.7.3.5For steel grade P460 it may be necessary to apply delayed cooling or additional tempering afternormalising. For N-steel grades accelerated cooling after austenitizing may be necessary in order to achievethe intended structure and material properties in case of wall thickness above 25 mm or T/D > 0,15In both cases, the decision shall be left to the discretion of the manufacturer but shall be stated to thecustomer at the time of enquiry and order. Steel tubes treated with accelerated cooling shall be designatedby the steel name supplemented by the symbol “+QT “.8 REQUIREMENTS8.1 GeneralWhen supplied in a delivery condition indicated in clause 7.3 and inspected in accordance with clauses 9, 10and 11, the tubes shall conform to with 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 appropriatemanner.When tubes are specified in the order by d, dmin or Tmin the following equations, with all terms in mm, shallapply for the calculation of outside diameter Dc, inside diameter dc and wall thickness Tc, instead of D, d andT for the relevant requirements in clauses 7.3.5, 8.4.1.4, 10.2.2.2, 11.3, 11.8.1, 11.9, 11.11.4, 12.1 and Table1, footnote c, Tables 4, 5, 6, 7, 10, 12, 15 and 16:Dc = Td2(1)Dc
= Tdoftoleranced22minmin(2)dc = 2minmindoftoleranced(3)Tc = 2minminToftoleranceT(4)For tolerance see Tables 10, 11 and 12.8.2 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 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: A 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 10216-3:2003
EN 10216-3:2002 (E)108.3 Mechanical properties8.3.1The mechanical properties of the tubes shall conform to the requirements in Tables 4, 5, 6, 7, AnnexA, and in clauses 11.3, 11.4, 11.5 and 11.6.8.3.2The elevated temperature properties given in Tables 5 and 6 shall be verified for steel gradeP620QH and P690QH at 300 °C.Option 4:
Elevated temperature properties given in Tables 5 and 6 shall be verified for NH-grades at 400°C.The properties at elevated temperature given in Tables 5 and 6 for steel grades P355NH, P460NH, P620QHand P690QH, apply for the corresponding low and special low temperature quality steels if option 5 isspecified.The properties at the elevated temperature given in Annex A for steel grades P275NL1 and P275NL2 apply,if option 5 is specifiedOption 5: Elevated temperature properties given in Tables 5, 6 and Annex A shall be verified for NL- andQL-grades at the highest temperature for which a value is given.SIST EN 10216-3:2003
EN 10216-3:2002 (E)11Table 2 — Chemical composition (cast analysis) a, in % by massSteel gradeCSiMnPSCrMoNiAl tot bCuNNbTiVNb+Ti+VSteel nameSteelnumbermaxmaxmaxmaxmaxmaxmaxminmaxmaxmaxmaxmaxmaxP275NL11.04880,160,400,50 to 1,500,0250,0200,30c0,08 c0,500,0200,30 c d0,0200,050,0400,050,05P275NL21.11040,015P355NP355NH1.05621.05650,200,500,90 to 1,700,0250,0200,30 c0,08 c0,500,0200,30 c d0,0200,050,0400,100,12P355NL11.1106P355NL21.05660,180,015P460NP460NHP460 NL11.89051.89351.89150,200,601,00 to 1,700,0250,0200,300,100,800,0200,70 e0,0200,050,0400,200,22P460NL21.89180,015P620QP620QH1.88761.88770,200601,00 to1,700,0250,0200,300,100,800,0200,30 d0,0200,050,0400,200,22P620QL1.88900,015P690QP690QHP690QL11.88791.88801.88810,200,801,20 to 1,700,0250,0151,500,702,500,0200,30 d0,0150,060,050,12P690QL21.88880,0200,010aElements 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 thecast. All appropriate measures shall be taken to prevent the addition of undesirable elements from scrap or other materials used in the steel making process.bAl/N
2, if nitrogen is fixed by niobium, titanium or vanadium the requirements for Altot and Al/N do not apply.cThe sum of the percentage by mass of the three elements chromium, copper and molybdenum shall not exceed 0,45 %.dOption 2: In order to facilitate subsequent forming operation, an agreed maximum copper content lower than indicated and an agreed specified maximum tin content shall apply.eIf the percentage by mass of copper exceeds 0,30 %, the percentage by mass of nickel shall be at least half the percentage by mass of copper.SIST EN 10216-3:2003
EN 10216-3:2002 (E)12Table 3 — Permissible deviations of the product analysis from specified limits on cast analysis givenin Table 2ElementLimiting value for the castanalysis in accordance withTable 2% by massPermissible deviation of the productanalysis% by massC 0,20+ 0,02 0,40+ 0,05Si 0,40 to 0,80+ 0,06Mn
1,70+ 0,10- 0,05P
0,025+ 0,005 0,015+ 0,003S 0,015
0,020+ 0,005Al 0,020- 0,005 0,30+ 0,05Cr> 0,30 to
1,50+ 0,10Cu 0,70+ 0,05
0,35+ 0,03Mo> 035 to
0,70+ 0,04N 0,020+ 0,002Nb
0,06+ 0,005Ni
2,50+ 0,05Ti
0,05+ 0,01V 0,10+ 0,01 0,10
to
0,20+
0,02SIST EN 10216-3:2003
EN 10216-3:2002 (E)13Table 4 — Mechanical properties at room temperatureSteel gradeTensile propertiesSteel nameSteelnumberHeatTreatmentconditionUpper yield strength or proof strengthReH or Rp0,2min.for wall thickness T in mmTensile strengthRmfor wall thickness T in mmElongation aAmin. 12 12to 20 20to 40 40to 50 50to 65 65to 80 80to 100 20 20to 40 40to 65 65to 100ltMPa *MPa *(%)P 275 NL 1P 275 NL 21.04881.1104+N275265255245235390 to 530390 to 510360 to 4802422P 355 NP 355 NH1.05621.0565+N b355345335325315305490 to 650490 to 630450 to 5902220P 355 NL 1P 355 NL 21.05661.1106+NP 460 NP 460 NHP 460 NL 1P 460 NL 21.89051.89351.89151.8918+N c460450440425410400390560 to 730490 to 6901917P 620 QP 620 QHP 620 QL1.88761.88771.8890620580540500--740 to 930690 to 860630 to 800-1614P 690 QP 690 QHP 690 QL 11.88791.88801.8881+QT690650615580540500770 to 960720 to 900670 to 850620 to 800P 690 QL 21.8888690690650615580540770 to 960700 to 880680 to 860a
l = longitudinal; t = transverse.b
See 7.3.4.c
See 7.3.5.*
1 MPa = 1 N/mm2SIST EN 10216-3:2003
EN 10216-3:2002 (E)14Table 5 — Minimum 0,2 %-proof strength (Rp0,2) at elevated temperature aSteel gradeWall thicknessTmmRp0,2
minimumMPa *at a temperature of °CSteel nameSteel number100150200250300350400P355 NH1.0565 20304284255235216196167> 20 to
50294275255235216196167> 50 to
65284265245226206186157> 65 to
80275255235216196177147> 80 to
100265245226206186167137P460NH1.8935 12402373343314294265235> 12 to
20392363343314294265235> 20 to
50382353333304284255226> 50 to
65373343324294275245216> 65 to
80363333314284265235206> 80 to
100353324304275255226196P620QH1.8877 20490480470460450----> 20 to
40470460450440430----> 40 to
65430420410400390----P690QH1.8880 20590580570560550----> 20 to
40550540530520510----> 40 to
65510500490480470----> 65 to
80490480470460450----> 80 to
100450440430420410----aSee 8.3.2* 1 MPa = 1 N/mm2SIST EN 10216-3:2003
EN 10216-3:2002 (E)15Table 6 — Minimum tensile strength Rm at elevated temperatur
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