1、STD-CEN EN L0222-3-ENLL L978 3404587 OLBb442 B5T RATIFIED EUROPEAN TEXT EN10222-3: 1998 European Standards only exist formally as national transpositions (Le. a BS EN for the UK) of a commonly agreed “ratified“ text. This document is a ratified text which will shortly be published as a BS EN. It is
2、being made available in advance of its formal publication to give interested parties early access to the technical information which the BS EN will contain. When the BS EN is formally published it will be supplied to you automatically, without any additional charge. Purchasers of this ratified text
3、should be aware of the following limitations when using the document. 0 The BS EN may contain additional information in the national foreword or national annex, O Full rights conferred by compliance with the standard may only be granted by reference to the formal national transposition of the text a
4、s a BS EN. This ratified text was approved by CENLENELEC in its three official languages on the date given below. Under CENICENELEC rules, BSI is obliged to publish its national transposition within six months of this date. This ratified text was approved on 1998-11-08 NO COPYING WITHOUT BSI PERMISS
5、ION EXCEPT AS PERMITTED BY COPYRIGHT LAW COPYRIGHT European Committee for StandardizationLicensed by Information Handling ServicesSTD.CEN EN 10222-3-ENGL 1978 3404587 OL8bLiLi3 79b EUROPEAN STANDARD NORME EUROPENNE EUROPJSCHE NORM EN 102224 November 1998 ICs Descriptors: iron and steel products, for
6、gings, steels, nickel steels, pressure equipment, grades: quality, chemical composition, mechanical properties, heat treatment English version Steel forgings for pressure purposes - Part 3: Nickel steels with specified low temperature properties PieCes forges en acier pour appareils pression - Parti
7、e 3 Aciers au nickel avec caractristiques sp6cHi8es B basse temprature Schmiedestikke aus Stahl fr Druckbehlter - Teil 3 : NickelstBhle mit festgelegten Eigenschaften bei tiefen Temperaturen This European Standard was apprwed by GEN on 8 November 1998. CEN members are bound to comply with ihe CEWCEN
8、ELEC Intemal Regulations which stipulate the conditions for gMng this European Standard the status of a national standard without any aiteraon. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CEN m
9、ember. This European Standard exists in three officiai versions (English, French, Gem). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions. CEN members
10、 are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN C0MMT“EE FOR STANDARDIZATION COMITE EUROPEEN DE NORMALISATION
11、 EUROPISCHES KOMITEE FOR NORMUNG Centmi Secretarlat: rue de Sassart, 36 8.1 O50 Brussels bD 1998 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 10222-31998 E COPYRIGHT European Committee for StandardizationLicensed by Information
12、Handling ServicesPage 2 EN 10222-3 : 1998 Contents Page Foreword 3 1 scope .*. * . * 4 2 Nonnative references 4 3 Chemical composition 4 4 Heat treatment and mechanical properties 4 Annex Z (informative) Clauses of this European Standard addressing essential requirements or other provisions of EU Di
13、rectives. 8 COPYRIGHT European Committee for StandardizationLicensed by Information Handling ServicesSTDDCEN EN L0222-3-ENGL L778 W 3404587 OL8b445 5b7 Page 3 EN 10222-3 : 1998 Foreword This European Standard has been prepared by Technical Committee ECISS/TC 28 “Steel forgings“, the secretariat of w
14、hich is held by BSL This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by May 1999, and conflicting national standards shall be withdrawn at the latest by May 1999. This European Standard has been prepa
15、red under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EU Directive(s). For relationship with EU Directive(s), see informative Annex Z, which is an integral part of this standard. The titles of the other Parts of th
16、is European standard are: Part 1 : General requirements for open die forgings. Part 2: Ferritic and martensitic steels with specified elevated temperature properties. Part 4: Weldable fine grain steels with high proof strength. Part 5: Martensitic, austenitic and austenitic - ferritic stainless stee
17、ls. According to the CENICENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland. France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway.
18、 Portugal, Spain, Sweden, Switzerland and the United Kingdom. COPYRIGHT European Committee for StandardizationLicensed by Information Handling ServicesSTII*CEN EN 10222-3-ENGL 1798 W Page 4 EN 10222-3: 1998 1 Scope This Part of this European dandard specifies the tecunical delivery conditions of for
19、gings for pressure purposes, made of nickel steels, for use at low temperatures. General information on technical delivery conditions is given in EN 10021. 2 Normative references This European Standard incorporates by dated or undated reference, provisions from other publications. These normative re
20、ferences are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incoprated in it by amendment or revision. For undated references the
21、 latest edition ofthe publication referred to applies, EN 10021 General technical delivery requirements for steel and iron products EN 10222- 1 : 1998 Steel forgings for pressure purposes - Part 1 : General requirements for open die forgings. 3 Chemical composition 3.1 Cast analysis The chemical com
22、position (cast analysis), determined in accordance with EN 10222-1 shall conform to the requirements of table 1 (see 9.1 of EN 10222-1: 1998). 3.2 Product analysis The product analysis shall not deviate from the specified cast analysis (see table I) by more than the values specified in table 2 (see
23、9.2 of EN 10222-1:1998). 4 Heat treatment and mechanical properties When heat treated in accordance with table 1, the mechanical properties of the forgings, determined in accordance with EN 10222-1 shall conform to the requirements of table 1 and table 3. COPYRIGHT European Committee for Standardiza
24、tionLicensed by Information Handling Servicesm c Q .I 5 Y .I E 8 u S LI 6 r( , , LE E L - . - . .“ E COPYRIGHT European Committee for StandardizationLicensed by Information Handling Services- STD.CEN EN L0222-3-ENGL 1998 3404589 OL8b448 278 = Element C Page 6 EN 10222-3 : 1998 Specified value in the
25、 cast anaiysis according to table 1 S 0,18 f 0,02 Permissible deviations i) of the product analysis % % Table 2: Permissible deviations of the product analysis from specified values of the cast analysis Mn P I1,oo f 0,05 1,OO I1,70 f 0,lO I0,025 + 0,005 si I 0,85 I3,75 3,75 I 10,o i 0,05 f 0,07 f OJ
26、O COPYRIGHT European Committee for StandardizationLicensed by Information Handling ServicesSTD-CEN EN 10222-3-ENGL 1978 COPYRIGHT European Committee for StandardizationLicensed by Information Handling ServicesPage 8 EN 10222-3: 1998 Annex Z (iormative) Clauses of this European Standard addressing es
27、sential requirements or other provisions of EU DiIWAiVes. This European Standard has been prepared under a mandate given to CEN by the European Commission and supports essential requirements of EU Directive 97/23/EC. Warning: Other requirements and other EU Directives may be applicable to the produc
28、t(s) falling within the scope of this European Standard. The clauses of this European Standard are likely to support the essentiai requirements of section 4 of annex 1, “Essential safety requirements” of the Pressure Equipment Directive 97/23/EC. Compliance with this European Standard provides one means of confoming with the specific essential requirements of the Directive conceme. COPYRIGHT European Committee for StandardizationLicensed by Information Handling Services
