Steelforgingsforpressurepurposes
Part 4: Weldable fine grain steels with high proof strength
bsi.
Nationalforeword
ISBN 978 0 580 80527 1
ICS 77.140.30; 77.140.85
Date
It supersedes BS EN 10222-4:1999 which is withdrawn. This British Standard is the UK implementation of EN 10222-4:2017.
The UK participation in its preparation was entrusted to TechnicalCommittee ISE/111 Steel Castings and Forgings.
A list of organizations represented on this mittee can be obtained onrequest to its secretary.
This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application.
Compliance with a British Standard cannot conferimmunity fromlegal obligations.
This British Standard was published under the authority of theStandards Policy and Strategy Committee on 31 May 2017.
Amendments/corrigenda issued since publication
Text affected
EN10222-4
Supersedes EN 10222-4:1998
English Version
Steelforgingsfor pressure purposes-Part 4:Weldablefine grain steels with high proof strength
uossaud sauedde smod ape ua sgluog saod Partie 4: Aciers soudables a grains fins avec limited’elasticite elevee
Schmiedesticke aus Stahl fur Druckbehalter - Teil 4: Schweifgeeignete Feinkornbausstihle mit hoherDehngrenze
This European Standard was approved by CEN on 25 December 2016.
s u aop suop a sends pm suoemag eau aan/ a m duo o punoq aue saqa European Standard the status of aational standad without any alteration.Up-todate lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CENmember.
This European Standard exists in three offcial versions English French German] A version in any otherlanguage made bytranslation under the responsibility of a CEN member into its own language and notifed to the CEN-CENELEC Management Centre has the same status as the official versions.
CEN members are the national standards bodies of Austria Belgium Bulgaria Croatia Cyprus Czech Republic Denmark Estonia Finland Former Yugoslav Republic of Macedonia France Germany Greece Hungary Iceland Ireland taly Latvia Lithuania Luxembourg Malta Netherlands Norway Poland Portugal Romania Serbia Slovakia Slovenia Spain Sweden Switzerland Turkey and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITE EUROPEEN DE NORMALISATION EUROPAISCHES KOMITEE FOR NORMUNG
CEN-CENELEC Management Centre: Avenue Marnix 17 B-1000 Brussels
Contents
Page
European foreword. 31 Scope.. 42 Normative references.... 43 Terms and definitions 44 4.1 Classification and designation. Classification. 4 44.2 Designation.... .45 Mandatory information. Information to be supplied by the purchaser. 45.1 5.2 Options.. 56 Requirements. 56.1 6.2 Steelmaking process and manufacture of the product. Delivery condition. 5 5g'9 Chemical position. 56.3.1 6.3.2 Cast analysis. Product analysis. .5 56.4 Mechanical properties.... 56.5 6.6 Surface condition. Internal soundness.. .6 66.7 Resistance to hydrogen induced cracking. 67 Inspection. ..68 Sampling.... ..69 Test methods. .610 Retests.. .611 Marking.... .6Annex A (informative) Significant technical changes to the version EN 10222-4:1998 13Annex ZA (informative) Relationship between this European Standard and the Essential Requirements of EU Directive 2014/68/EU. 14Bibliography. 15
Europeanforeword
This document (EN 10222-4:2017) has been prepared by Technical Committee ECISS/TC 111 “Steelcastings and forgings" the secretariat of which is held by AFNOR.
be withdrawn at the latest by October 2017.
This European Standard shall be given the status of a national standard either by publication of anidentical text or by endorsement at the latest by October 2017 and conflicting national standards shall
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN 10222-4:1998.
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 2014/68/EU.
For relationship with EU Directive 2014/68/EU see informative Annex ZA which is an integral part of this document.
EN 10222 consists of the following parts under the general title “Steel forgings for pressure purposes*:
--Part 1: General requirements for open die forgings-Part 2: Ferritic and martensitic steels with specified elevated temperature properties-Part 3: Nickel steels with specified low temperature propertiesPart 4: Weldable fine grain steels with high proof strength-Part 5: Martensitic austenitic and austenitic-ferritic stainless steels.
Annex A provides details about significant technical changes to EN 10222-4:1998.
According to the CEN-CENELEC Internal Regulations the national standards organisations of theFrance Germany Greece Hungary Iceland Ireland Italy， Latvia Lithuania Luxembourg Malta Netherland rway Poland Portugal omaniaerbia Slovakia Sloveniaain wden witzlan Turkey and the United Kingdom.
