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 there
2、from, 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 International All rights reserved. No part of this p
3、ublication 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: +1 724-776-497
4、0 (outside USA) Fax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.org SAE values your input. To provide feedback on this Technical Report, please visit http:/www.sae.org/technical/standards/AMS5342E AEROSPACE MATERIAL SPECIFICATION AMS5342 REV. E Issued 1963-07 Revised 2
5、006-06 Reaffirmed 2014-04 Superseding AMS5342D Steel, Corrosion-Resistant, Investment Castings 16Cr - 4.1Ni - 0.28Cb (Nb) - 3.2Cu Homogenization, Solution, and Precipitation Heat Treated (H1100) 130 ksi (896 MPa) Tensile Strength (17-4) (Composition similar to UNS J91280 and UNS J92200) RATIONALE AM
6、S5342E has been reaffirmed to comply with the SAE five-year review policy. 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 used typically for parts requiring good corrosion resistance and strength up
7、 to 600 F (316 C), but usage is not limited to such applications (See 8.4). 1.2.1 Certain processing procedures and service conditions may cause these castings to become subject to stress-corrosion cracking; ARP1110 recommends practices to minimize such conditions. 2. APPLICABLE DOCUMENTS The issue
8、of the following documents 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
9、 superseding document has been specified, the last published issue of that document shall apply. SAE INTERNATIONAL AMS5342E Page 2 of 11 2.1 SAE Publications Available from SAE International, 400 Commonwealth Drive, Warrendale, PA 15096-0001, Tel: 877-606-7323 (inside USA and Canada) or 724-776-4970
10、 (outside USA), www.sae.org. AMS 2175 Castings, Classification and Inspection of AMS 2248 Chemical Check Analysis Limits, Corrosion and Heat-Resistant, Steels and Alloys, Maraging, and Other Highly-Alloyed Steels, and Iron Alloys AMS 2360 Room Temperature Tensile Properties of Castings AMS 2694 Repa
11、ir Welding of Aerospace Castings AMS 2700 Passivation of Corrosion-Resistant Steels AMS 2804 Identification, Castings AMS-H-6875 Heat Treatment of Steel, Raw Materials ARP1110 Minimizing Stress Corrosion Cracking in Wrought Forms of Steels and Corrosion- Resistant Steels and Alloys 2.2 ASTM Publicat
12、ions Available from ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959, Tel: 610-832-9585, www.astm.org. ASTM E 8 Tension Testing of Metallic Materials ASTM E 8M Tension Testing of Metallic Materials (Metric) ASTM E 18 Rockwell Hardness and Rockwell Superficia
13、l Hardness of Metallic Materials ASTM E 353 Chemical Analysis of Stainless, Heat-Resisting, Maraging, and Other Similar Chromium-Nickel-Iron Alloys ASTM E 1417 Liquid Penetrant Examination ASTM E 1444 Magnetic Particle Examination ASTM E 1742 Radiographic Examination 3. TECHNICAL REQUIREMENTS 3.1 Co
14、mposition Shall conform to the percentages by weight shown in Table 1, determined by wet chemical methods in accordance with ASTM E 353, by spectrochemical methods, or by other analytical methods acceptable to purchaser (See 8.2.1 and 8.2.2). TABLE 1 - COMPOSITION Element min max Carbon Manganese Si
15、licon Phosphorus Sulfur Chromium Nickel Columbium (Niobium) Copper Aluminum Tin Nitrogen - - 0.50 - - 15.50 3.60 0.15 2.80 - - - 0.06 0.70 1.00 0.0250.02516.70 4.60 0.40 3.50 0.05 0.02 0.05 3.1.1 Vendor may test for any element not otherwise listed in Table 1 and include this analysis in the report
16、of 4.5. Limits of acceptability may be specified by purchaser (See 8.2.3). SAE INTERNATIONAL AMS5342E Page 3 of 11 3.1.2 Check Analysis Composition variations shall meet the applicable requirements of AMS 2248. 3.2 Melting Practice Castings and specimens shall be poured at casting vendors facility e
17、ither from a melt (See 8.2.4) of a master heat, or directly from a master heat (See 3.4.2 and 8.2.5). 3.2.1 Revert (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. Mel
18、ting of revert creates a new master heat. 3.2.2 Portions of two or more qualified master heats (See 3.4.2) may be melted together and poured into castings using a procedure authorized by purchaser (See 8.2.6). 3.2.3 If melts are modified by replenishment (See 8.2.7), vendor shall have a written proc
19、edure acceptable to purchaser which defines the controls, tests, and traceability criteria for both castings and separately-cast specimens. Control factors of 4.4.2.2 shall apply. 3.3 Condition Castings shall be delivered in the homogenized, solution treated, and precipitation heat treated condition
20、, except as specified in 3.3.1 or 3.3.2. 3.3.1 When specified by purchaser, castings shall be solution and precipitation heat treated, omitting homogenization heat treatment. 3.3.2 When specified by purchaser, castings shall be solution heat treated twice and precipitation heat treated, omitting hom
21、ogenization heat treatment. 3.4 Test Specimens Specimens shall be either separately-cast, integrally-cast (See 8.2.8), or machined from a casting, and shall conform to 3.2. 3.4.1 If specimens are separately-cast, vendor shall have a written procedure acceptable to purchaser. Control factors of 4.4.2
22、.2 shall apply. 3.4.2 Each master heat shall be qualified by evaluation of chemical specimens. 3.4.2.1 If replenishments are made at remelt as in 3.2.3, the frequency of sampling and testing used by the vendor for qualification to 3.4.2 shall be acceptable to purchaser. 3.4.3 Chemical Analysis Speci
23、mens Shall be of any convenient size and shape. 3.4.4 Tensile Specimens Shall be of standard proportions in accordance with ASTM E 8 or ASTM E 8M (See 8.3) 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 cas
24、t to size or cast oversize and subsequently machined to 0.250-inch (6.35-mm) diameter. SAE INTERNATIONAL AMS5342E Page 4 of 11 3.4.4.2 When integrally-cast specimens and specimens machined-from-casting are specified, specimen size and/or location shall be agreed upon by purchaser and vendor. (See 8.
25、2.9 and 8.6.) 3.5 Heat Treatment Castings and representative tensile specimens shall be heat treated in accordance with AMS-H-6875 except as specified in 3.5.1. 3.5.1 Castings and Tensile Specimens 3.5.1.1 Homogenization Heat Treatment Heat to 2100 F 25 (1149 C 14), hold at heat for not less than 90
26、 minutes, and cool as required to room temperature. 3.5.1.2 Solution Heat Treatment Heat to 1900 F 25 (1038 C 14), hold at heat for 1 hour per inch (25-mm) of section thickness but not less than 30 minutes, and cool as required to below 70 F (21 C). 3.5.1.3 Precipitation Heat Treatment Heat to a tem
27、perature within the range 1085 to 1115 F (585 to 602 C), hold at the selected temperature within 10 F (6 C) for not less than 90 minutes, and cool in air or inert gas to room temperature. 3.6 Properties Conformance shall be based upon testing of separately-cast specimens unless purchaser specifies i
28、ntegrally-cast specimens or specimens machined-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 or ASTM E 8M (See 8.3). Properties other than those listed may be defined as specified in AMS 2360. 3.6.1.1 Separ
29、ately-Cast Specimens Shall be as shown in Table 2. TABLE 2 - MINIMUM ROOM TEMPERATURE TENSILE PROPERTIES OF SEPARATELY-CAST SPECIMENS Property Value Tensile Strength Yield Strength at 0.2% Offset Elongation in 4D Reduction of Area 130 ksi (896 MPa)120 ksi (827 MPa)10% 25% 3.6.1.2 Integrally-Cast Spe
30、cimens or Specimens Machined-from-Casting Shall be as shown in Table 3. TABLE 3 - MINIMUM ROOM TEMPERATURE TENSILE PROPERTIES OF INTEGRALLY-CAST AND SPECIMENS MACHINED-FROM-CASTING Property Value Tensile Strength Yield Strength at 0.2% Offset Elongation in 4D Reduction of Area 130 ksi (896 MPa)120 k
31、si (827 MPa)6% 15% SAE INTERNATIONAL AMS5342E Page 5 of 11 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 heat treated to the condition of 3.3 shall be 30 to 38 HRC. 3.6.2.2 Representative Tensile Specimens Hardn
32、ess not applicable. 3.7 Quality 3.7.1 Castings, as received by purchaser, shall be uniform in quality and condition, sound, and free from foreign materials and from imperfections detrimental to usage of the castings. Castings shall be free of cracks, laps, hot tears, and cold shuts, and free of scal
33、e and other process-induced surface contamination which would obscure defects. 3.7.1.1 Unless otherwise specified, cast surfaces shall be sufficiently cleaned such that, after passivation by purchaser, the castings shall meet the corrosion test requirement of AMS 2700. 3.7.2 Castings shall be produc
34、ed under radiographic control. This control shall consist of radiographic examination 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
35、 purchaser, or as necessary to ensure continued maintenance of internal quality. 3.7.2.1 Radiographic inspection shall be conducted in accordance with ASTM E 1742 or other method specified by purchaser. 3.7.3 When specified, additional nondestructive testing shall be performed as follows: 3.7.3.1 Fl
36、uorescent penetrant inspection in accordance with ASTM E 1417 or other method specified by purchaser. 3.7.3.2 Magnetic particle inspection in accordance with ASTM E 1444 or other method specified by purchaser. 3.7.4 Acceptance standards for radiographic, magnetic particle, fluorescent penetrant, vis
37、ual, and other inspection methods shall be as agreed upon by purchaser and vendor. AMS 2175 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 AMS 2175 shall apply for each applicabl
38、e method of inspection. 3.7.5 Castings shall not be peened, plugged, impregnated, or welded unless authorized by purchaser. 3.7.5.1 When authorized by purchaser, welding in accordance with AMS 2694 or other welding program acceptable to purchaser may be used. 4. QUALITY ASSURANCE PROVISIONS 4.1 Resp
39、onsibility for Inspection The vendor of castings shall supply all samples for vendors tests 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 speci
40、fied requirements. SAE INTERNATIONAL AMS5342E Page 6 of 11 4.2 Classification of Tests 4.2.1 Acceptance Tests Composition (3.1), tensile properties (3.6.1), hardness of castings (3.6.2.1), and the applicable requirements of quality (3.7) are acceptance tests and shall be performed as specified in 4.
41、3. 4.2.2 Periodic Tests Corrosion resistance (3.7.1.1) and radiographic soundness (3.7.2) are periodic tests and shall be performed at a frequency selected by vendor unless a frequency of testing is specified by purchaser. 4.2.3 Preproduction Tests All technical requirements are preproduction tests
42、and shall be performed on sample castings (4.3.2), when a change in control factors occurs (4.4.2.2), and when purchaser deems 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
43、specimen or a casting from each master heat shall be tested for conformance with Table 1; if 3.4.2.1 applies, 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 requir
44、ements. 4.3.2.1 Dimensional inspection sample quantity shall be as specified by purchaser. 4.3.3 Tensile property tests shall be conducted to determine conformance with 3.6.1. Sampling and test frequency are dependent upon the type and origin of specimen specified by purchaser (See 3.4.4 and 3.6) or
45、 selected by vendor (See 4.3.3.4). When 3.4.2.1 applies, specimen source and test frequency shall be acceptable to purchaser. 4.3.3.1 For separately-cast specimens in the fully heat treated condition (See 3.3 and 3.5.1), one specimen from each lot (See 8.2.10) shall be tested for conformance to 3.6.
46、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 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 test
47、ed 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. 4.3.3.3.1 When size and location of specimens are not shown, two specimens shall be tested, one from the thickest section and one from the thinnest section. Once established
48、 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 purchaser, 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-
49、cast specimens. In each case, the resultant properties must conform to requirements of 3.6. 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 source of the specimen that was tested. 4.3.3.5 When casting size, section thickness, gating method, or other factors do not permit conformance wi
