BS EN 10253-3-2008

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BS EN

10253-3:2008

ICS 23.040.40; 77.140.20

NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW

BRITISH STANDARD

Butt-welding pipe

fittings

Part 3: Wrought austenitic and

austenitic-ferritic (duplex) stainless

steels without specific inspection

requirements

This British Standard

was published under the

authority of the Standards

Policy and Strategy

Committee on 31 December

2008

ISBN 978 0 580 54047 9

Amendments/corrigenda issued since publication

Date Comments

BS EN 10253-3:2008

National foreword

This British Standard is the UK implementation of EN 10253-3:2008. It

supersedes BS 1640-2:1962 and BS 1640-4:1968 which is withdrawn.

The UK participation in its preparation was entrusted to Technical

Committee ISE/19, Pipe fittings (other than cast iron).

A list of organizations represented on this committee can be obtained on

request 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 confer immunity

from legal obligations.

BS EN 10253-3:2008

EUROPEAN STANDARD

NORME EUROPÉENNE

EUROPÄISCHE NORM

EN 10253-3

November 2008

ICS 23.040.40; 77.140.20

English Version

Butt-welding pipe fittings - Part 3: Wrought austenitic and

austenitic-ferritic (duplex) stainless steels without specific

inspection requirements

Raccords à souder bout à bout - Partie 3: Aciers

inoxydables austénitiques et austéno-ferritiques sans

contrôle spécifique

Formstücke zum Einschweißen - Teil 3: Nichtrostende

austenitische und austenitisch-ferritische (Duplex-) Stähle

ohne besondere Prüfanforderungen

This European Standard was approved by CEN on 18 October 2008.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European

Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national

standards 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 translation

under the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as the

official 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 STANDARDIZATION

COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

Management Centre: rue de Stassart, 36 B-1050 Brussels

worldwide for CEN national Members. Ref. No. EN 10253-3:2008: E

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摘要：

BS EN 10253-3-2008 是欧盟标准化委员会发布的关于不锈钢对焊管件的正式标准，该标准替代了旧版 BS EN 10253-3:1998，主要规定了用于压力用途及一般用途的不锈钢对焊管件的技术交货条件、尺寸、公差、材料牌号及机械性能要求。标准涵盖了无缝和焊接两种制造工艺的管件，包括弯头、三通、同心和偏心异径管等常见类型，并明确了不同钢种（如奥氏体、铁素体和马氏体不锈钢）的化学成分与力学性能指标。此标准对于管道工程、石油化工、食品加工及建筑行业的专业人员具有重要参考价值，确保了管件在高温

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