DIN EN 10250-2-1999 Open die steel forgings for general engineering purposes - Part 2 Non-alloy quality and special steels German version EN 10250-2 1999《一般工程用自由锻钢锻件 第2部分 非合金钢和特种钢》.pdf
《DIN EN 10250-2-1999 Open die steel forgings for general engineering purposes - Part 2 Non-alloy quality and special steels German version EN 10250-2 1999《一般工程用自由锻钢锻件 第2部分 非合金钢和特种钢》.pdf》由会员分享,可在线阅读,更多相关《DIN EN 10250-2-1999 Open die steel forgings for general engineering purposes - Part 2 Non-alloy quality and special steels German version EN 10250-2 1999《一般工程用自由锻钢锻件 第2部分 非合金钢和特种钢》.pdf(10页珍藏版)》请在麦多课文档分享上搜索。
1、DEUTSCHE NORM December 1999 Open die steel forgings for general engineering purposes Part 2: Non-alloy quality and special steels English version of DIN EN 10250-2 DIN - EN 10250-2 ICs 77.140.45; 77.140.85 Freiformschmiedestcke aus Stahl fr allgemeine Verwendung - Teil 2: Unlegierte Qualitts- und Ed
2、elsthle This standard, together December 1999 edition, supersedes DIN 171 00, January 1980 edition (withdrawn in January 1991). with DIN EN 10250-1, European Standard EN 10250-2 : 1999 has the status of a DIN Standard. A comma is used as the decimal marker. National foreword This standard has been p
3、repared by ECISS/TC 28. The responsible German body involved in its preparation was the Normenausschuss Eisen und Stahl (Steel and Iron Standards Committee), Technical Committee Schmiedestcke. Amendments DIN 171 00, January 1980 edition, has been superseded by the specifications of DIN EN 10250-2. P
4、revious editions DIN 171 00: 1957-1 O, 1966-09, 1980-01. EN comprises 8 pages. No pari of this standard may be reproduced without the prior permission of V Deutsches Institut fur Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany, s the exclusive right of sale for German Standards (DIN-
5、Normen). Ref. No. DIN EN 10250-2 : 1999-1 English price group 08 Sales No. 1108 06.00 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 10250-2 October 1999 ICs 77.1 40.45: 77.1 40.85 English version Open die steel forgings for general engineering purposes Part 2: Non-alloy quality and special st
6、eels Pices forges en acier pour usage gnral - Partie 2: Aciers de qualit non allis et aciers spciaux Freiformschmiedestcke aus Stahl fr allgemeine Verwendung - Teil 2: Unlegierte Qualitts- und Edelsthle This European Standard was approved by CEN on 1999-09-09. CEN members are bound to comply with th
7、e CENKENELEC 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 stand- ards may be obtained on application to the Central Secretariat
8、or to any CEN member. The European Standards exist 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 Central Secretariat has the same status as the official vers
9、ions. CEN members are the national standards bodies of Austria, Belgium, the Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, the Netherlands, Norway, Portugal, Spain, Sweden, Switzerland, and the United Kingdom. CEN European Committee for Standardizati
10、on Comit Europen de Normalisation Europisches Komitee fr Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels O 1999. CEN - All rights of exploitation in any form and by any means reserved worldwide for CEN national members. Ref. No. EN 10250-2 : 1999 E Page 2 EN 10250-2 : 1999 Contents
11、Page Foreword 1 Scope 2 Normative references 3 Chemical composition 4 Heat treatment 5 Mechanical properties Annex A (informative) Heat treatment 3 4 5 8 Foreword This European Standard has been prepared by Technical Committee ECISS/TC 28 “Steel forgings”, the secretariat of which is held by BSI. Th
12、is 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 April 2000, and conflicting national standards shall be withdrawn at the latest by April 2000. This European Standard has been prepared under a mandat
13、e given to CEN by the European Commission and the European Free Trade Association. This European Standard is considered to be a supporting standard to those application and product standards which in themselves support an essential safety requirement of a New Approach Directive and which make refere
14、nce to this European Standard. The titles of the other Parts of this European Standard are: Part 1 : General requirements Part 3: Alloy special steels Part 4: Stainless steels According to the CENKENELEC Internal Regulations, the national standards organizations of the following countries are bound
15、to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. Page 3 EN 10250-2 : 1999 1 Scope This Part of this European Standar
16、d specifies the technical delivery requirements for open die forgings, forged bars and products pre-forged and finished in ring rolling mills, manufactured from non-alloy quality and special steels and supplied in the normalized, normalized and tempered, quenched and tempered or annealed condition N
17、OTE: The majority of steels listed in this Part of EN 10250, with properties in the quenched and tempered condition up to 160 mm thickness, are identical to steels specified in EN 10083-1 and -2 and more extensive information on hardenability and technological properties is given in that European St
18、andard. General Information on technical delivery conditions is given in EN 10021. 2 Normative references This Part of EN 10250 incorporates by dated or undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text and the publicati
19、ons are listed hereafter. For dated references, subsequent amendments to, or revisions of, any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies. EN 10003-1 EN
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