DIN EN 10294-2-2012 Hollow bars for machining - Technical delivery conditions - Part 2 Stainless steels with specified machinability properties German version EN 10294-2 2012《机械加工的.pdf
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1、April 2012 Translation by DIN-Sprachendienst.English price group 13No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS
2、77.140.75!$h“1885969www.din.deDDIN EN 10294-2Hollow bars for machining Technical delivery conditions Part 2: Stainless steels with specified machinability propertiesEnglish translation of DIN EN 10294-2:2012-04Stahlrohre fr die spanende Bearbeitung (Drehteilrohre) Technische Lieferbedingungen Teil 2
3、: Nichtrostende Sthle mit spezifizierten ZerspanungseigenschaftenEnglische bersetzung von DIN EN 10294-2:2012-04Barres creuses pour usinage Conditions techniques de livraison Partie 2: Aciers inoxydables usinabilit spcifieTraduction anglaise de DIN EN 10294-2:2012-04www.beuth.deDocument comprises 28
4、 pagesIn case of doubt, the German-language original shall be considered authoritative.03.12 DIN EN 10294-2:2012-04 2 A comma is used as the decimal marker. National foreword This standard has been prepared by Technical Committee ECISS/TC 110 “Steel tubes, and iron and steel fittings” (Secretariat:
5、UNI, Italy). The responsible German body involved in its preparation was the Normenausschuss Eisen und Stahl (Iron and Steel Standards Committee), Working Committee NA 021-00-09-07 UA Maschinenbaurohre und Hohlstangen. This European Standard specifies technical delivery conditions for seamless hollo
6、w bars made of stainless steels, with specified machinability properties, intended for the manufacture of engineering components by machining. A corresponding DIN Standard has not been available until now. EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 10294-2 February 2012 ICS 77.140.75 Engli
7、sh Version Hollow bars for machining - Technical delivery conditions -Part 2: Stainless steels with specified machinability properties Barres creuses pour usinage - Conditions techniques de livraison - Partie 2: Aciers inoxydables usinabilit spcifie Stahlrohre fr die spanende Bearbeitung (Drehteilro
8、hre) - Technische Lieferbedingungen - Teil 2: Nichtrostende Sthle mit spezifizierten Zerspanungseigenschaften This European Standard was approved by CEN on 16 December 2011. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this Europ
9、ean 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-CENELEC Management Centre or to any CEN member. This European Standard exists in three official versions
10、 (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-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Bel
11、gium, Bulgaria, Croatia, 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, Turkey and United Kingdom. EURO
12、PEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2012 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 10294-2:2012: EEN 10294-2:20
13、12 (E) 2 Contents Page Foreword 41 Scope 52 Normative references 53 Terms and definitions . 64 Symbols 65 Classification and designation . 75.1 Classification 75.2 Designation 76 Information to be supplied by the purchaser . 76.1 Mandatory information 76.2 Options . 76.3 Example of an order 87 Manuf
14、acturing process . 87.1 Material making process . 87.2 Manufacturing and delivery conditions . 87.2.1 Manufacturing 87.2.2 Delivery conditions 88 Requirements . 98.1 General 98.2 Chemical composition 98.2.1 Cast analysis 98.2.2 Product analysis 98.3 Mechanical properties . 118.4 Corrosion resistance
15、 . 148.5 Machinability 148.5.1 Guaranteed cutting speeds (semi-roughing and finishing) 158.6 Appearance and soundness . 158.6.1 Appearance 158.6.2 Soundness 168.7 Straightness . 168.8 Preparation of ends . 168.9 Dimensions, masses and tolerances . 168.9.1 Outside diameter and inside diameter 168.9.2
16、 Mass 168.9.3 Lengths . 168.9.4 Tolerances 208.9.5 Dimensions achievable after machining . 219 Inspection . 219.1 Type of inspection . 219.2 Inspection documents . 219.2.1 Types of inspection documents . 219.2.2 Content of inspection documents 219.3 Summary of inspection and testing . 2210 Sampling
17、. 2210.1 Test unit 2210.1.1 Number of samples per test unit 2210.2 Preparation of samples and test pieces 2310.2.1 General 2310.2.2 Test piece for the tensile test . 2310.2.3 Test piece for the intergranular corrosion test . 23DIN EN 10294-2:2012-04EN 10294-2:2012 (E) 3 11 Test methods . 2311.1 Chem
18、ical analysis . 2311.2 Tensile test . 2311.3 Dimensional inspection 2311.4 Visual examination 2311.5 Intergranular corrosion test . 2311.6 Non-destructive test 2411.7 Machining data 2411.8 Retests, sorting and reprocessing 2412 Marking . 2413 Temporary corrosion protection 24Annex A (normative) Meth
19、od for establishing machining data . 25DIN EN 10294-2:2012-04 EN 10294-2:2012 (E) 4 Foreword This document (EN 10294-2:2012) has been prepared by Technical Committee ECISS/TC 110 “Steel tubes, and iron and steel fittings”, the secretariat of which is held by UNI. This European Standard shall be give
20、n the status of a national standard, either by publication of an identical text or by endorsement, at the latest by August 2012, and conflicting national standards shall be withdrawn at the latest by August 2012. Attention is drawn to the possibility that some of the elements of this document may be
21、 the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document differs from ISO 2938, Hollow bars for machining. EN 10294 consists of the following parts, under the general title Hollow bars for machining Technical deliver
22、y conditions: Part 1: Non alloy and alloy steels; Part 2: Stainless steels with specified machinability properties. Another European Standard series covering tubes for mechanical and general engineering purposes are: EN 10297, Seamless circular steel tubes for mechanical and general engineering purp
23、oses - Technical delivery conditions EN 10296, Welded circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this E
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