1、AEROSPACE MATERIAL SPECIFICATION AMS5400 REV. C Issued 1979-01 Revised 2014-07 Superseding AMS5400B Steel, Corrosion-Resistant, Investment Castings 15Cr - 4.6Ni - 0.22Cb - 2.8Cu Solution and Precipitation Heat Treated (H935) 170 ksi (1172 MPa) Tensile Strength (Composition similar to UNS J92110) RAT
2、IONALE AMS5400C revises referenced standards, Reports (4.5) and Identification (5.1.2), and is a Five Year Review and update of this specification. 1. SCOPE 1.1 Form This specification covers a corrosion-resistant steel in the form of investment castings. 1.2 Application These castings have been use
3、d typically for parts requiring good corrosion resistance and strength up to 600 F (316 C), but usage is not limited to such applications (See 8.2). 2. APPLICABLE DOCUMENTS The issue of the following documents in effect on the date of the purchase order forms a part of this specification to the exte
4、nt 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 been specified, the last published issue of that document shall apply. 2.1 SAE Publications
5、 Available from SAE International, 400 Commonwealth Drive, Warrendale, PA 15096-0001, Tel: 877-606-7323 (inside USA and Canada) or 724-776-4970 (outside USA), or www.sae.org. AMS2175 Castings, Classification and Inspection of AMS2248 Chemical Check Analysis Limits, Corrosion and Heat-Resistant Steel
6、s and Alloys, Maraging, and Other Highly-Alloyed Steels and Iron Alloys AMS2360 Room Temperature Tensile Properties of Castings AMS2694 In-Process Welding of Castings _ SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineerin
7、g sciences. The use of this report is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising therefrom, is the sole responsibility of the user.” SAE reviews each technical report at least every five years at which time it may be re
8、vised, reaffirmed, stabilized, or cancelled. SAE invites your written comments and suggestions. Copyright 2014 SAE International All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photo
9、copying, 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 (outside USA) Fax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.org SAE values your input. To provide
10、feedback on this Technical Report, please visit http:/www.sae.org/technical/standards/AMS5400C SAE INTERNATIONAL AMS5400C Page 2 of 11 AMS2700 Passivation of Corrosion Resistant Steels AMS2804 Identification, Castings AMS-H-6875 Heat Treatment of Steel Raw Materials 2.2 ASTM Publications Available f
11、rom ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959, Tel: 610-832-9585, or www.astm.org. ASTM E 8/E 8M Tension Testing of Metallic Materials ASTM E 18 Rockwell Hardness of Metallic Materials ASTM E 353 Chemical Analysis of Stainless, Heat-Resisting, Maragin
12、g, and Other Similar Chromium-Nickel-Iron Alloys ASTM E 1417/E 1417M Liquid Penetrant Testing ASTM E 1444/E 1444M Magnetic Particle Testing ASTM E 1742/E 1742M Radiographic Inspection 3. TECHNICAL REQUIREMENTS 3.1 Composition Castings shall conform to the percentages by weight shown in Table 1, dete
13、rmined by wet chemical methods in accordance with ASTM E 353, by spectrochemical methods, or by other analytical methods acceptable to purchaser (See 8.3.1 and 8.3.2). TABLE 1 - COMPOSITION Element min max Carbon Manganese Silicon Phosphorus Sulfur Chromium Nickel Columbium Copper Tantalum Nitrogen
14、- - 0.50 - - 14.00 4.20 0.15 2.50 - - 0.05 0.60 1.00 0.025 0.025 15.50 5.00 0.30 3.20 0.05 0.05 3.1.1 Vendor may test for any element not otherwise listed in Table 1 and include this analysis in the report of 4.5. Limits of acceptability may be specified by purchaser (See 8.3.3). 3.1.2 Check Analysi
15、s Composition variations shall meet the applicable requirements of AMS2248. 3.2 Melt Practice Castings and specimens shall be poured at casting vendors facility either from a melt (See 8.3.4) of a master heat or directly from a master heat (See 8.3.5). SAE INTERNATIONAL AMS5400C Page 3 of 11 3.2.1 R
16、evert (gates, sprues, risers, and rejected castings) may be used only in the preparation of master heats; revert shall not be remelted directly without refining for pouring of castings. 3.2.2 Portions of two or more qualified master heats (See 3.4.2) may be melted together and poured into castings u
17、sing a procedure authorized by purchaser (See 8.3.6). 3.2.3 If modifications, such as alloy additions or replenishments, are made by the vendor at remelt, vendor shall have a written procedure acceptable to purchaser which defines the controls, test, and traceability criteria for both castings and s
18、eparately-cast specimens. Control factors of 4.4.2.2 shall apply. 3.3 Condition Castings shall be solution and precipitation heat treated, except as specified in 3.3.1 or 3.3.2. 3.3.1 When specified by or when acceptable to purchaser, castings shall be solution heat treated twice and precipitation h
19、eat treated. 3.3.2 When specified by purchaser, castings shall be homogenization, solution, and precipitation heat treated. 3.4 Test Specimens Specimens shall be either separately-cast, integrally-cast (See 8.3.7), or machined from casting, and shall conform to 3.2. 3.4.1 If specimens are separately
20、-cast, vendor shall have a written procedure acceptable to purchaser. Control factors of 4.4.2.2 shall apply. 3.4.2 Each master heat shall be qualified by evaluation of chemical and tensile specimens. 3.4.2.1 If alloy additions or replenishments are made at remelt as in 3.2.3, the frequency of sampl
21、ing and testing used by the vendor for qualification to 3.4.2 shall be acceptable to purchaser. 3.4.2.2 Tensile tests of 3.4.2 are not required if these tests are conducted using integrally-cast specimens (4.3.3.2) or specimens machined from casting (4.3.3.3). 3.4.3 Chemical Analysis Specimens Shall
22、 be of any convenient size and shape. 3.4.4 Tensile Specimens Shall be of standard proportions in accordance with ASTM E 8/E 8M with 0.250 inch (6.35 mm) diameter at the reduced parallel gage section. 3.4.4.1 Separately-cast and integrally-cast specimens may be either cast to size or cast oversize a
23、nd subsequently machined to 0.250 inch (6.35 mm) diameter. 3.4.4.2 When integrally-cast specimens or specimens machined from casting are specified, specimen size and location shall be agreed upon by purchaser and vendor (See 8.3.8 and 8.5). 3.5 Heat Treatment Castings and representative tensile spec
24、imens shall be heat treated in accordance with AMS-H-6875 except as specified in 3.5.1. SAE INTERNATIONAL AMS5400C Page 4 of 11 3.5.1 Castings and Tensile Specimens 3.5.1.1 Homogenization Heat Treatment (When Specified) Heat to 2100 F 25 (1149 C 14), hold at heat for not less than 90 minutes, and co
25、ol as required. 3.5.1.2 Solution Heat Treatment Heat to 1900 F 25 (1038 C 14), hold at heat for 60 minutes per inch (25.4 mm) of maximum cross-section, and cool to below 90 F (32 C) at a rate equivalent to an air cool or faster. 3.5.1.3 Precipitation Heat Treatment Heat to 935 F 15 (502 C 8), hold a
26、t heat for 4 hours 0.25, and cool in air. 3.5.2 Tensile specimens used for master heat qualification may be heat treated separately from castings. 3.6 Properties Conformance shall be based upon testing of separately-cast specimens unless purchaser specifies integrally-cast specimens or specimens mac
27、hined from casting. 3.6.1 Room Temperature Tensile Properties Shall be as specified in 3.6.1.1 or 3.6.1.2, determined in accordance with ASTM E 8/E 8M. Properties other than those listed may be defined as specified in AMS 2360. 3.6.1.1 Separately-Cast Specimens Shall be as shown in Table 2. TABLE 2
28、- MINIMUM TENSILE PROPERTIES Property Value Tensile Strength Yield Strength at 0.2% Offset Elongation in 4D Reduction of Area 170 ksi (1172 MPa) 150 ksi (1034 MPa) 7% 16% 3.6.1.2 Integrally-Cast Specimens or Specimens Machined from Castings Shall be as shown in Table 3. TABLE 3 - MINIMUM TENSILE PRO
29、PERTIES Property Value Tensile Strength Yield Strength at 0.2% Offset Elongation in 4D Reduction of Area 170 ksi (1172 MPa) 150 ksi (1034 MPa) 6% 14% 3.6.2 Hardness Shall be as follows, determined in accordance with ASTM E 18: 3.6.2.1 Castings Except as specified in 4.3.5.2, castings which are heat
30、treated to the condition of 3.3 shall have hardness of 38 to 47 HRC. SAE INTERNATIONAL AMS5400C Page 5 of 11 3.6.2.2 Representative Specimens Hardness not applicable. 3.7 Quality Castings, as received by purchaser, shall be uniform in quality and condition, sound, and free from foreign materials and
31、 from imperfections detrimental to usage of the castings. 3.7.1 Unless otherwise specified by purchaser, the following shall apply: 3.7.1.1 Castings shall be free of cracks, laps, hot tears, and cold shuts. 3.7.1.2 Castings shall be free of scale and other process-induced surface contamination which
32、 would obscure defects. 3.7.1.3 Cast surfaces shall be sufficiently cleaned such that, after passivation by purchaser, the castings shall meet the corrosion test requirement of AMS2700. 3.7.2 Castings shall be produced under radiographic control. This control shall consist of radiographic examinatio
33、n of each casting part number until foundry manufacturing controls, in accordance with 4.4.2, have been established. Additional radiography shall be conducted in accordance with the frequency of inspection specified by purchaser, or as necessary to ensure continued maintenance of internal quality. 3
34、.7.2.1 Radiographic inspection shall be conducted in accordance with ASTM E 1742/E 1742M or other method specified by purchaser. 3.7.3 When specified, additional nondestructive testing shall be performed as follows: 3.7.3.1 Fluorescent penetrant inspection in accordance with ASTM E 1417/E 1417M or o
35、ther method specified by purchaser. 3.7.3.2 Magnetic particle inspection in accordance with ASTM E 1444/E 1444M or other method specified by purchaser. 3.7.4 Acceptance standards for radiographic, fluorescent penetrant, magnetic particle, visual, and other inspection methods shall be as agreed upon
36、by purchaser and vendor (See 8.3.8). AMS2175 may be used to specify acceptance standards (casting grade) and frequency of inspection (casting class). 3.7.4.1 When acceptance standards are not specified, Grade C of AMS2175 shall apply. 3.7.5 Castings shall not be peened, plugged, impregnated, or weld
37、ed unless authorized by purchaser. 3.7.5.1 When authorized by purchaser, welding in accordance with AMS2694 or other welding program acceptable to purchaser may be used. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for Inspection The vendor of castings shall supply all samples for vendors test
38、s and shall be responsible for the performance of all required tests. Purchaser reserves the right to sample and to perform any confirmatory testing deemed necessary to ensure that the castings conform to specified requirements. 4.2 Classification of Tests 4.2.1 Acceptance Tests Composition (3.1), t
39、ensile properties (3.6.1), hardness of castings (3.6.2), and quality (3.7) are acceptance tests and shall be performed as specified in 4.3. SAE INTERNATIONAL AMS5400C Page 6 of 11 4.2.2 Periodic Tests Corrosion resistance (3.7.1.3) and radiographic soundness (3.7.2) are periodic tests and shall be p
40、erformed at a frequency selected by vendor, unless frequency of testing is specified by purchaser. 4.2.3 Preproduction Tests All technical requirements are preproduction tests and shall be performed on sample castings (4.3.2), when a change in control factors occurs (4.4.2.2), and when purchaser dee
41、ms confirmatory testing to be required. 4.3 Sampling and Testing The minimum testing performed by vendor shall be in accordance with the following: 4.3.1 One chemical analysis specimen or a casting from each master heat shall be tested for conformance with Table 1, unless 3.4.2.1 applies in which ca
42、se test frequency shall be acceptable to purchaser. 4.3.2 One preproduction casting in accordance with 4.4 shall be tested to the requirements of the casting drawing and to all technical requirements. 4.3.2.1 Dimensional inspection sample quantity shall be as specified by purchaser. 4.3.3 Tensile te
43、sts shall be conducted to determine conformance with 3.6.1 or 3.6.2. Sampling and test frequency is dependent upon the type and origin of the specimen specified by purchaser (See 3.6) or selected by vendor (See 4.3.3.4). When 3.4.2.1 applies, test frequency shall be acceptable to purchaser. 4.3.3.1
44、For separately-cast specimens in the fully heat treated condition (See 3.3 and 3.5.1), one specimen from each master heat shall be tested for conformance to 3.6.1.1. 4.3.3.2 For integrally-cast specimens in the fully heat treated condition (See 3.3 and 3.5.1), two specimens from each lot (See 8.3.9)
45、 shall be randomly selected and tested for conformance to 3.6.1.2. 4.3.3.3 For specimens machined from casting, one casting shall be randomly selected from each lot and tested after full heat treatment (See 3.3 and 3.5.1) at each location shown on the engineering drawing for conformance to 3.6.1.2.
46、4.3.3.3.1 When size and location of specimens are not shown, two test specimens shall be tested, one from the thickest section and one from the thinnest section. Once established under 4.4.2.2, test locations may be changed only as agreed upon by purchaser and vendor. 4.3.3.4 When acceptable to purc
47、haser, specimens machined from casting may be used in lieu of both separately-cast and integrally-cast specimens, and integrally-cast specimens may be used in lieu of separately-cast specimens. In each case, the resultant properties shall conform to the requirements of 3.6 for that type of specimen.
48、 4.3.3.4.1 When specimens are selected for test as in 4.3.3.4 from an origin other than that specified by purchaser, vendor shall include in the report of 4.5 a description of the origin of the specimen that was tested. 4.3.3.5 When casting size, section thickness, gating method, or other factors do
49、 not permit conformance with 4.3.3.2 or 4.3.3.3, sampling and testing shall be agreed upon by purchaser and vendor. 4.3.4 Castings shall be inspected in accordance with 3.7 to the methods, frequency, and acceptance standards specified by purchaser. 4.3.5 Castings shall be tested for hardness to determine conformance to 3.6.2.1. Unless otherwise specified by purchaser, the number of castings sampled from each lot
