1、Nickel-Copper Alloy, Corrosion-Resistant, Bars and Forgings66.5Ni - 3.0Al - 0.62Ti - 28CuHot-Finished, Precipitation Hardenable(Composition similar to UNS N05500)1. SCOPE:1.1 Form: This specification covers a corrosion-resistant nickel-copper alloy in the form of bars, forgings, and forging stock.1.
2、2 Application: These products have been used typically for parts requiring a combination of moderate strength, resistance to corrosion, and low magnetic permeability, but usage is not limited to such applications.2. APPLICABLE DOCUMENTS: The issue of the following documents in effect on the date of
3、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 been specified, the last p
4、ublished issue of that document shall apply.2.1 SAE Publications: Available from SAE, 400 Commonwealth Drive, Warrendale, PA 15096-0001 or www.sae.org.AMS 2261 Tolerances, Nickel, Nickel Alloy, and Cobalt Alloy Bars, Rods, and WireAMS 2269 Chemical Check Analysis Limits, Nickel, Nickel Alloys, and C
5、obalt AlloysAMS 2371 Quality Assurance Sampling and Testing, Corrosion and Heat-Resistant Steels and Alloys, Wrought Products and Forging StockAMS 2374 Quality Assurance Sampling and Testing, Corrosion and Heat-Resistant Steel and Alloy ForgingsAEROSPACE MATERIAL SPECIFICATIONAMS 4676EIssued JAN 196
6、4Revised MAY 2003Superseding AMS 4676DSAE 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 a
7、ny 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 reaffirmed, revised, or cancelled. SAE invites your written comments and suggestions. Copyright 2008 SAE International All rights res
8、erved. No part of this publication 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 Can
9、ada) Tel: 724-776-4970 (outside USA) Fax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.org Reaffirmed MAY 2008Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AMS 4676E SA
10、E AMS 4676E- 2 -2.1 (Continued):AMS 2806 Identification, Bars, Wire, Mechanical Tubing, and Extrusions, Carbon and Alloy Steels, Corrosion and Heat-Resistant Steels and AlloysAMS 2808 Identification, Forgings2.2 ASTM Publications: Available from ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 194
11、28-2959 or www.astm.org.ASTM E 8 Tension Testing of Metallic MaterialsASTM E 8M Tension Testing of Metallic Materials (Metric)ASTM E 10 Brinell Hardness of Metallic MaterialsASTM E 76 Chemical Analysis of Nickel-Copper Alloys3. TECHNICAL REQUIREMENTS: 3.1 Composition: Shall conform to the percentage
12、s by weight shown in Table 1, determined by wet chemical methods in accordance with ASTM E 76, by spectrochemical methods, or by other analytical methods acceptable to purchaser.3.1.1 Determination not required for routine acceptance.3.1.2 Check Analysis: Composition variations shall meet the applic
13、able requirements of AMS 2269.TABLE 1 - CompositionElement min maxCarbon - 0.25Manganese - 1.50Silicon - 1.00Phosphorus (3.1.1) - 0.02Sulfur - 0.010Copper 27.00 33.00Aluminum 2.00 4.00Titanium 0.25 1.00Iron - 2.00Zinc (3.1.1) - 0.02Tin (3.1.1) - 0.006Lead (3.1.1) - 0.006Nickel remainderCopyright SAE
14、 International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AMS 4676E SAE AMS 4676E- 3 -3.2 Condition: The product shall be supplied in the following condition:3.2.1 Bars and Forgings: Hot finished.3.2.1.1 Surface finish of
15、bars shall be as ordered.3.2.2 Forging Stock: As ordered by the forging manufacturer.3.3 Properties: The product shall conform to the following requirements:3.3.1 Bars and Forgings: 3.3.1.1 As Hot-Finished: 3.3.1.1.1 Hardness: Shall be not higher than 248 HB, or equivalent (See 8.2), determined in a
16、ccordance with ASTM E 10.3.3.1.2 After Precipitation Heat Treatment: The product shall conform to the following requirements after being precipitation heat treated by heating to 1100 to 1125 F (593 to 607 C), holding at heat for 8 to 16 hours, and furnace cooling at a rate of 15 to 25 F (8 to 14 C)
17、degrees per hour to 900 F (482 C). Cooling from 900 F (482 C) may be accomplished without regard to cooling rate. As an alternate method, the precipitation heat treatment may be done by heating to 1100 F (607 C), holding at heat up to 16 hours, and furnace cooling in steps of 100 F (56 C) degrees to
18、 1000 F (538 C), holding at heat for approximately 6 hours, furnace cooling to 900 F (482 C), holding at heat for approximately 8 hours, and cooling to room temperature at a rate equivalent to air cooling.3.3.1.2.1 Tensile Properties: Shall be as shown in Table 2, determined in accordance with ASTM
19、E 8 or ASTM E 8M.3.3.1.2.1.1 Round bars over 4.25 inches (108 mm) in diameter and over 12 feet (3.7 m) in length may have elongation as low as 17%.TABLE 2 - Minimum Tensile PropertiesProperty ValueTensile Strength 140 ksi (965 MPa)Yield Strength at 0.2% Offset 100 ksi (689 MPa)Elongation in 4D 20% (
20、3.3.1.2.1.1)Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AMS 4676E SAE AMS 4676E- 4 -3.3.1.2.2 Hardness: Shall be not lower than 262 HB, or equivalent (See 8.2), determined in accordance with ASTM
21、 E 10. Product shall not be rejected on the basis of hardness if the tensile property requirements are acceptable, determined on specimens taken from the same sample as that with nonconforming hardness or from another sample with similar nonconforming hardness.3.3.2 Forging Stock: When a sample of s
22、tock is forged to a test coupon, and heat treated as in 3.3.1.2, specimens taken from the heat treated coupon shall conform to the requirements of 3.3.1.2.1 and 3.3.1.2.2. If specimens taken from the stock and heat treated as in 3.3.1.2 conform to the requirements of 3.3.1.2.1 and 3.3.1.2.2, the tes
23、ts shall be accepted as equivalent to tests of a forged coupon.3.4 Quality: The product, 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 product.3.4.1 Grain flow of die forgings, except in
24、areas which contain flash-line end grain, shall follow the general contour of the forgings showing no evidence of reentrant grain flow.3.5 Tolerances: 3.5.1 Bars: Shall conform to all applicable requirements of AMS 2261.3.5.2 Forging Stock: Shall be as agreed upon by purchaser and vendor.4. QUALITY
25、ASSURANCE PROVISIONS: 4.1 Responsibility for Inspection: The vendor of the product 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
26、that the product conforms to specified requirements.4.2 Classification of Tests: 4.2.1 Acceptance Tests: The following requirements are acceptance tests and shall be performed on each heat or lot as applicable:4.2.1.1 Composition (3.1) of each heat.4.2.1.2 Hardness (3.3.1.1.1) of each lot of bars an
27、d forgings as hot finished.4.2.1.3 Tensile properties (3.3.1.2.1) and hardness (3.3.1.2.2) of each lot of bars and forgings after precipitation heat treatment.4.2.1.4 Tolerances (3.5) of bars.Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networkin
28、g permitted without license from IHS-,-,-AMS 4676E SAE AMS 4676E- 5 -4.2.2 Periodic Tests: Tests of forging stock (3.3.2) to demonstrate ability to develop required properties and of grain flow of die forgings (3.4.1) are periodic tests and shall be performed at a frequency selected by the vendor un
29、less frequency of testing is specified by purchaser.4.3 Sampling and Testing: Shall be as follows:4.3.1 Bars and Forging Stock: In accordance with AMS 2371.4.3.2 Forgings: In accordance with AMS 2374.4.4 Reports: The vendor of the product shall furnish with each shipment a report showing the composi
30、tion of each heat, and the as hot-finished hardness, and the tensile properties and hardness after precipitation heat treatment of each lot, and stating that the product conforms to the other technical requirements. This report shall include the purchase order number, heat and lot numbers, AMS 4676E
31、, size, and quantity. If forgings are supplied, the size and melt source of stock used to make the forgings shall also be included.4.5 Resampling and Retesting: Shall be as follows:4.5.1 Bars and Forging Stock: In accordance with AMS 2371.4.5.2 Forgings: In accordance with AMS 2374.5. PREPARATION FO
32、R DELIVERY: 5.1 Identification: Shall be as follows:5.1.1 Bars: In accordance with AMS 2806.5.1.2 Forgings: In accordance with AMS 2808.5.1.3 Forging Stock: As agreed upon by purchaser and vendor.5.2 Packaging: The product shall be prepared for shipment in accordance with commercial practice and in
33、compliance with applicable rules and regulations pertaining to the handling, packaging, and transportation of the product to ensure carrier acceptance and safe delivery.Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without lic
34、ense from IHS-,-,-AMS 4676E SAE AMS 4676E- 6 -6. ACKNOWLEDGMENT: A vendor shall mention this specification number and its revision letter in all quotations and when acknowledging purchase orders.7. REJECTIONS: Product not conforming to this specification, or to modifications authorized by purchaser,
35、 will be subject to rejection.8. NOTES: 8.1 A change bar (|) located in the left margin is for the convenience of the user in locating areas where technical revisions, not editorial changes, have been made to the previous issue of a specification. An (R) symbol to the left of the document title indi
36、cates a complete revision of the specification, including technical revision. Change bars and (R) are not used in original publications, nor in specifications that contain editorial changes only.8.2 Hardness conversion tables for metals are presented in ASTM E 140.8.3 Terms used in AMS are clarified
37、 in ARP1917.8.4 Dimensions and properties in inch/pound units and the Fahrenheit temperatures are primary; dimensions and properties in SI units and the Celsius temperatures are shown as the approximate equivalents of the primary units and are presented only for information.8.5 Purchase documents sh
38、ould specify not less than the following:AMS 4676EForm and size or part number of product desiredQuantity of product desired.8.6 Similar Specifications: Federal QQ-N-286 is listed for information only and shall not be construed as an acceptable alternate unless all requirements of this AMS are met.PREPARED UNDER THE JURISDICTION OF AMS COMMITTEE “F”Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
