SAE AMS 2372G-2014 Quality Assurance Sampling and Testing Carbon and Low-Alloy Steel Forgings《质量保证取样和测试 碳钢和低合金钢钢锻件》.pdf
《SAE AMS 2372G-2014 Quality Assurance Sampling and Testing Carbon and Low-Alloy Steel Forgings《质量保证取样和测试 碳钢和低合金钢钢锻件》.pdf》由会员分享,可在线阅读,更多相关《SAE AMS 2372G-2014 Quality Assurance Sampling and Testing Carbon and Low-Alloy Steel Forgings《质量保证取样和测试 碳钢和低合金钢钢锻件》.pdf(5页珍藏版)》请在麦多课文档分享上搜索。
1、_SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineering sciences. The use of this report is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising theref
2、rom, is the sole responsibility of the user.”SAE reviews each technical report at least every five years at which time it may be revised, reaffirmed, stabilized, or cancelled. SAE invites your written comments and suggestions.Copyright 2014 SAE InternationalAll rights reserved. No part of this publi
3、cation may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of SAE.TO PLACE A DOCUMENT ORDER: Tel: 877-606-7323 (inside USA and Canada)Tel: +1 724-776-4970 (out
4、side USA)Fax: 724-776-0790Email: CustomerServicesae.orgSAE WEB ADDRESS: http:/www.sae.orgSAE values your input. To provide feedbackon this Technical Report, please visithttp:/www.sae.org/technical/standards/AMS2372GAEROSPACE MATERIAL SPECIFICATIONAMS2372 REV. GIssued 1970-11Revised 2014-06Supersedin
5、g AMS2372FQuality Assurance Sampling and TestingCarbon and Low-Alloy Steel ForgingsRATIONALEAMS2372G results from an update of this specification to include testing of other properties that may be required but were not listed in this document (3.3.3.5).1. SCOPEThis specification covers quality assur
6、ance sampling and testing procedures used to determine conformance to applicable specification requirements of carbon and low-alloy steel forgings.1.1 Quality assurance sampling and testing procedures for forging stock are covered by AMS2370.2. APPLICABLE DOCUMENTSThe issue of the following document
7、s in effect on the date of the purchase order forms a part of this specification to the extent specified herein. The supplier may work to a subsequent revision of a document unless a specific document issue is specified. When the referenced document has been cancelled and no superseding document has
8、 been specified, the last published issue of that document shall apply.2.1 SAE PublicationsAvailable from SAE International, 400 Commonwealth Drive, Warrendale, PA 15096-0001, Tel: 877-606-7323 (inside USA and Canada) or 724-776-4970 (outside USA), www.sae.org.AMS2808 Identification, Forgings2.2 AST
9、M PublicationsAvailable from ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959, Tel: 610-832-9585, www.astm.org.ASTM A 370 Mechanical Testing of Steel ProductsASTM E 8 / E 8M Tension Testing of Metallic MaterialsSAE INTERNATIONAL AMS2372G Page 2 of 53. TECHNI
10、CAL REQUIREMENTS3.1 General Requirements3.1.1 Omission from this specification of confirmatory tests of certain material properties or attributes controlled by the applicable material specifications does not relieve the vendor of responsibility for furnishing forgings that conform in all aspects to
11、the applicable material specification.3.1.2 In the event of a conflict between requirements specified herein and requirements of a particular material specification, requirements of the material specification shall take precedence.3.2 Responsibility for TestsThe vendor of forgings shall supply all s
12、amples for vendors tests and shall be responsible for performing all required tests. Results of such tests shall be reported to the purchaser as required by the applicable material specification.3.3 Detail Requirements3.3.1 ClassificationFor the purpose of clarifying test requirements, forgings shal
13、l be classified as shown in Table 1.TABLE 1 - CLASSIFICATIONS OF FORGINGSClass DescriptionI Forgings supplied in the final heat treated condition and requiring destructive testing for verification of specified mechanical properties.II Forgings supplied normalized, normalized and tempered, normalized
14、 and annealed, or annealed only, that require testing to ensure conformance to specified mechanical properties after subsequent heat treatment.III Forgings supplied hardened and tempered to only a specified hardness.IV Forgings supplied normalized, normalized and tempered, normalized and annealed, o
15、r annealed only, e.g., carburizing grades, not subject to testing for specified mechanical properties, other than hardness, after final heat treatment.3.3.2 LotA lot shall be all forgings of a similar configuration, opposite hand being considered as a single configuration, identifiable to a single h
16、eat of steel, forged under the same nominal forging process parameters, and processed by either of the following methods (See 3.3.2.2 and 3.3.2.3):3.3.2.1 A heat shall be all steel melted in a single furnace charge. For consumable electrode remelted steel, a heat shall be all consumable electrode re
17、melted ingots processed from steel originally melted as a single furnace charge.3.3.2.2 Sequentially heat treated during a 24-hour period in a continuous furnace with no interruptions in operations and no change in furnace temperature, charge rate, or racking pattern.3.3.2.3 Sequentially heat treate
18、d during a 48-hour period in one or a series of batch-type furnace loads provided theloads are processed in the same furnace or same series of furnaces and there is no change in power, set temperature, soak time, quench parameters, or racking pattern.3.3.3 Sampling and TestingShall be as follows:SAE
19、 INTERNATIONAL AMS2372G Page 3 of 53.3.3.1 Class I ForgingsShall be sectioned and tested for conformance on the basis of at least one forging from each lot for any specified properties other than hardness. If hardness is specified, production forgings shall be sampled for hardness as shown in Table
20、2.3.3.3.1.1 Once a valid hardness/tensile property relationship has been established for a given forging and heat treat cycle, the frequency of destructive testing may be reduced, when permitted by purchaser, and hardness used as the conformance criterion.TABLE 2 - HARDNESS SAMPLING PLAN FOR CLASS I
21、 OR CLASS III FORGINGSLot Quantity Sample Size1 to 44 100%45 to 65 4466 to 110 60111 to 180 67181 to 300 73301 to 500 78501 to 800 80801 and over 10% or 85 pieces, minTABLE 3 - HARDNESS SAMPLING PLAN FOR CLASS II OR CLASS IV FORGINGSLot Quantity Sample Size1 to 20 100%21 to 100 25% or 20 pieces, min
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