EN 10028-2:2009

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Flacherzeugnisse aus Druckbehälterstählen - Teil 2: Unlegierte und legierte Stähle mit festgelegten Eigenschaften bei erhöhten TemperaturenProduits plats en aciers pour appareils à pression - Partie 2: Aciers non alliés et alliés avec caractéristiques specifiées à température élevéeFlat products made of steels for pressure purposes - Part 2: Non-alloy and alloy steels with specified elevated temperature properties77.140.50SROL]GHONLFlat steel products and semi-products77.140.30Jekla za uporabo pod tlakomSteels for pressure purposesICS:Ta slovenski standard je istoveten z:EN 10028-2:2009SIST EN 10028-2:2009en,fr,de01-september-2009SIST EN 10028-2:2009SLOVENSKI
STANDARDSIST EN 10028-2:2003/AC:2006SIST EN 10028-2:20031DGRPHãþD

EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 10028-2June 2009ICS 77.140.30; 77.140.50Supersedes EN 10028-2:2003
English VersionFlat products made of steels for pressure purposes - Part 2:Non-alloy and alloy steels with specified elevated temperaturepropertiesProduits plats en aciers pour appareils à pression - Partie2: Aciers non alliés et alliés avec caractéristiquesspecifiées à température élevéeFlacherzeugnisse aus Druckbehälterstählen - Teil 2:Unlegierte und legierte Stähle mit festgelegtenEigenschaften bei erhöhten TemperaturenThis European Standard was approved by CEN on 14 May 2009.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 CEN 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 CEN Management Centre has the same status as theofficial versions.CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre:
Avenue Marnix 17,
B-1000 Brussels© 2009 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 10028-2:2009: ESIST EN 10028-2:2009

Guidelines for heat treatment . 15 Annex B (informative)
Critical time temperature parameter Pcrit. and possible combinations of stress relieving temperature and holding time . 16 Annex C (informative)
Reference data of strength values for 1 % (plastic) creep strain and creep rupture . 17 Annex D (normative)
Evaluation of resistance to hydrogen induced cracking . 22 Annex E (normative)
Step cooling test . 23 Annex ZA (informative)
Relationship between this European Standard and the Essential Requirements of EU Directive 97/23/EC . 24 Bibliography . 25
 Part 1: General requirements  Part 2: Non-alloy and alloy steels with specified elevated temperature properties  Part 3: Weldable fine grain steels, normalized  Part 4: Nickel alloy steels with specified low temperature properties  Part 5: Weldable fine grain steels, thermomechanically rolled  Part 6: Weldable fine grain steels, quenched and tempered  Part 7: Stainless steels NOTE The clauses marked by two points (••) contain information relating to agreements that may be made at the time of enquiry and order. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EU Directive 97/23/EC. For relationship with EU Directive 97/23/EC, see informative Annex ZA, which is an integral part of this document. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. SIST EN 10028-2:2009

Dimensions and tolerances on dimensions See EN 10028-1:2007 + A1:2009. 5
Calculation of mass See EN 10028-1:2007 + A1:2009. 6
Classification and designation 6.1 Classification In accordance with EN 10020, the grades P235GH, P265GH, P295GH and P355GH are non-alloy quality steels. All other grades are alloy special steels. 6.2 Designation See EN 10028-1:2007 + A1:2009. SIST EN 10028-2:2009

EN 10028-1:2007 + A1:2009 apply. If the purchaser does not indicate a wish to implement any of these options at the time of enquiry and order, the products shall be supplied in accordance with the basic specification (see also EN 10028-1:2007 + A1:2009). 1) lower copper content and maximum tin content (see Table 1, footnote b); 2) minimum chromium content of 0,80% (see Table 1, footnote f); 3) maximum carbon content of 0,17% for product thicknesses greater than 150 mm (see
Table 1, footnote g); 4) tests in the simulated normalized condition (see 8.2.2); 5) delivery conditions deviating from those specified in Table 3 (see 8.2.2 and 8.2.3); 6) maximum carbon equivalent value for P235GH, P265GH, P295GH and P355GH (see 8.3.3); 7) specification of a minimum impact energy of 40 J (see Table 3); 8) mechanical properties for product thicknesses > 250 mm (see Table 3, footnote a); 9) specification of the delivery condition +QT where the usual delivery condition is +NT (see Table 3, footnote c and Table 4, footnote c); 10) additional impact energy values (see Table 3, footnote f); 11) Rp0,2 values at elevated temperature for increased product thicknesses (see Table 4, footnote b); 12) HIC test in accordance with EN 10229 (see 8.7); 13) step cooling test in accordance with Annex E (see 8.8); 14) mid thickness test pieces for the impact test (see Clause 10); 7.3 Example for ordering 10 plates with nominal dimensions, thickness = 50 mm, width = 2 000 mm, length = 10 000 mm, made of a steel grade with the name 16Mo3 and the number 1.5415 as specified in EN 10028-2, to be delivered untreated, inspection document 3.1 as specified in EN 10204: 10 plates – 50 x 2 000 x 10 000 – EN 10028-2 16Mo3+AR - Inspection document 3.1 or 10 plates – 50 x 2 000 x 10 000 – EN
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