1、_ 6$(7HFKQLFDO6WDQGDUGV%RDUG5XOHVSURYLGHWKDW7KLVUHSRUWLVSX EOLVKHGE6$(WRDGYDQFHWKHVWDWHRI 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 therefrom, LVWKHVROHUHVS
2、RQVLELOLWRIWKHXVHU 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 2016 SAE International All rights reserved. No part of this publication may be reproduced
3、, 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 (outside USA) Fax: 724-776
4、-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/AMS4963D AEROSPACE MATERIAL SPECIFICATION AMS4963 REV. D Issued 1995-11 Revised 2016-08 Superseding AMS4963C
5、Titanium Alloy, Bars, Wire, Forgings, and Rings 6.0Al - 4.0V Annealed, Heat Treatable, Modified Strength (Composition similar to UNS R56400) RATIONALE AMS4963D results from a Five Year Review and update of this specification that adds ASTM E2994 to analytical methods (3.1) and includes the removal o
6、f sample size allowance for hydrogen of Table 1 (covered by ASTM E1447), requires agreement on mechanical property values for material outside specification ranges (3.5.1.2.1.4), the addition of AS6279 (3.8), uses AMS2368 for resampling (4.5) and revises reporting (4.4). 1. SCOPE 1.1 Form This speci
7、fication covers a titanium alloy in the form of bars, wire, forgings, flash welded rings up through 3.999 inches (101.57 mm), inclusive and stock for forging, flash welded rings, or heading. 1.2 Application These products have been used typically for parts to be rough machined prior to solution and
8、precipitation heat treatment and for parts requiring high strength-to-weight ratios at or near room temperature, but usage is not limited to such applications. 1.2.1 Certain processing procedures and service conditions may cause these products to become subject to stress-corrosion cracking; ARP 982
9、recommends practices to minimize such conditions. 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 extent specified herein. The supplier may work to a subsequent revision of a document unless a specific
10、 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. SAE INTERNATIONAL AMS4963D Page 2 of 8 2.1 SAE Publications Available from SAE International, 400 Commonwealth Drive, W
11、arrendale, PA 15096-0001, Tel: 877-606-7323 (inside USA and Canada) or +1 724-776-4970 (outside USA), www.sae.org. AMS2241 Tolerances, Corrosion and Heat-Resistant Steel, Iron Alloy, Titanium, and Titanium Alloy Bars and Wire AMS2249 Chemical Check Analysis Limits Titanium and Titanium Alloys AMS236
12、8 Sampling and Testing of Wrought Titanium Raw Material Except Forgings and Forging Stock AMS2750 Pyrometry AMS2808 Identification Forgings AMS2809 Identification Titanium and Titanium Alloy Wrought Products AMS7498 Rings, Flash Welded Titanium and Titanium Alloys ARP982 Minimizing Stress-Corrosion
13、Cracking in Wrought Titanium Alloy Products ARP1917 Clarification of Terms Used in Aerospace Metals Specifications AS6279 Standard Practice for Production, Distribution, and Procurement of Metal Stock 2.2 ASTM Publications Available from ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West
14、 Conshohocken, PA 19428-2959, Tel: 610-832-9585, www.astm.org. ASTM E8/E8M Tension Testing of Metallic Materials ASTM E539 X-Ray Emission Spectrometric Analysis of 6AI-4V Titanium Alloy ASTM E1409 Determination of Oxygen and Nitrogen in Titanium and Titanium Alloys by the Inert Gas Fusion ASTM E1447
15、 Determination of Hydrogen in Titanium and Titanium Alloys by the Inert Gas Fusion Thermal Conductivity/Infrared Detection Method ASTM E1941 Determination of Carbon in Refractory and Reactive Metals and Their Alloys by Combustion Analysis ASTM E2371 Analysis of Titanium and Titanium Alloys by Direct
16、 Current Plasma and Inductively Coupled Plasma Atomic Emission Plasma Spectrometry ASTM E2994 Analysis of Titanium and Titanium Alloys by Spark Atomic Emission Spectrometry and Glow Discharge Atomic Emission Spectrometry 3. TECHNICAL REQUIREMENTS 3.1 Composition Shall conform to the percentages by w
17、eight shown in Table 1; carbon shall be determined in accordance with ASTM E1941, hydrogen in accordance with ASTM E1447, oxygen and nitrogen in accordance with ASTM E1409, and other elements in accordance with ASTM E539, ASTM E2371 or ASTM E2994. Other analytical methods may be used if acceptable t
18、o the purchaser. SAE INTERNATIONAL AMS4963D Page 3 of 8 Table 1 - Composition Element min max Aluminum 5.50 6.75 Vanadium 3.50 4.50 Iron - 0.30 Oxygen - 0.20 Carbon - 0.08 Nitrogen - 0.05 (500 ppm) Hydrogen (3.1.1) - 0.0125 (125 ppm) Yttrium (3.1.2) - 0.005 ( 50 ppm) Other Elements, each (3.1.2) - 0
19、.10 Other Elements, total (3.1.2) - 0.40 Titanium remainder 3.1.1 Hydrogen content of forgings may be as high as 0.0150 (150 ppm). 3.1.2 Determination not required for routine acceptance. 3.1.3 Check Analysis Composition variations shall meet the applicable requirements of AMS2249. 3.2 Melting Pract
20、ice Alloy shall be multiple melted. The first melt shall be made by vacuum consumable electrode, nonconsumable electrode, electron beam cold hearth, or plasma arc cold hearth melting practice. The subsequent melt or melts shall be made under vacuum using vacuum arc remelting (VAR) practice. Alloy ad
21、ditions are not permitted in the final melt cycle. 3.2.1 The atmosphere for nonconsumable electrode melting shall be vacuum or shall be argon and/or helium at an absolute pressure not higher than 1000 mm of mercury. 3.2.2 The electrode tip for nonconsumable electrode melting shall be water-cooled co
22、pper. 3.3 Condition The product shall be supplied in the following condition: 3.3.1 Bars Hot finished with or without subsequent cold reduction, annealed, and descaled. Unless prohibited by purchaser, bars may be solution heat treated below the beta transus prior to annealing. The product shall be p
23、roduced using standard industry practices designed strictly for the production of bar stock to the procured size. Cut plate shall not be supplied in lieu of bar. 3.3.2 Wire Cold drawn, annealed, and descaled. 3.3.3 Forgings and Flash Welded Rings Annealed and rough machined or descaled. Unless prohi
24、bited by purchaser, product may be solution heat treated below the beta transus prior to annealing. 3.3.3.1 )ODVKZHOGHGULQJVVKDOOQRWEHVXSSOLHGXQOHVVVSHFLILHGRUSHUPLWWHGRQS XUFKDVHUVSDUWGUDZLQJ:KHQsupplied, rings shall be manufactured in accordance with AMS7498. 3.3.4 Stock for Forging, Flash Welded
25、Rings, or Heading As ordered by the forging, flash welded ring, or heading manufacturer. SAE INTERNATIONAL AMS4963D Page 4 of 8 3.4 Heat Treatment Bars, wire, forgings, and flash welded rings shall be annealed as follows; pyrometry shall be in accordance with AMS2750: 3.4.1 Heat to a temperature wit
26、hin the range 1300 to 1450 F (704 to 788 C), hold at the selected temperature within 25 F (14 C) for 1 to 2 hours, and cool as required. 3.5 Properties The product shall conform to the following requirements: 3.5.1 Bars, Wire, Forgings, and Flash Welded Rings 3.5.1.1 As Annealed 3.5.1.1.1 Microstruc
27、ture Shall be that structure resulting from alpha-beta processing. Microstructure shall conform to any one of the following: 3.5.1.1.1.1, 3.5.1.1.1.2, 3.5.1.1.1.3, or 3.5.1.1.1.4. A microstructure showing a continuous network of alpha in prior beta grain boundaries is not acceptable. 3.5.1.1.1.1 Lam
28、ellar alpha with some equiaxed alpha in a transformed beta matrix. 3.5.1.1.1.2 Equiaxed alpha in a transformed beta matrix. 3.5.1.1.1.3 Equiaxed alpha and elongated alpha in a transformed beta matrix. 3.5.1.1.1.4 Partially broken and distorted grain boundary alpha with plate-like alpha. 3.5.1.1.2 Su
29、rface Contamination Except as specified in 3.5.1.1.2.1 and 3.5.1.1.2.2, the product shall be free of any oxygen-rich layer, such as alpha case, or other surface contamination, determined by microscopic examination at not lower than 400X magnification or by other method acceptable to purchaser. 3.5.1
30、.1.2.1 An oxygen-rich layer (see 8.2) not greater than 0.001 inch (0.025 mm) in depth is permissible on bars other than rounds. 3.5.1.1.2.2 When permitted by purchaser, forgings and flash welded rings to be machined all over may have an oxygen-rich layer provided such layer is removable within the m
31、achining allowance on the forging or flash welded ring. 3.5.1.2 After Solution and Precipitation Heat Treatment The product shall have the following properties after being solution heat treated by heating in a suitable atmosphere to 1750 F 25 F (954 C 14 C), holding at heat for 1 to 2 hours, and que
32、nching in agitated water and precipitation heat treated by heating to 1000 F 15 F (538 C 8 C), holding at heat for 4 to 8 hours, and cooling in air. 3.5.1.2.1 Tensile Properties Shall be as shown in Table 2, determined in accordance with ASTM E8/E8M with the rate of strain set at 0.005 inch/inch/min
33、ute (0.005 mm/mm/minute) and maintained within a tolerance of 0.002 inch/inch/minute (0.002 mm/mm/minute) through the 0.2% offset yield strain. SAE INTERNATIONAL AMS4963D Page 5 of 8 Table 2A - Minimum tensile properties, inch/pound units Rounds, Squares, Hexagons, Forgings, Rectangles, and Flash We
34、lded Rings: Nominal Diameter or Least Distance Between Parallel Sides Inches Tensile Strength ksi Yield Strength at 0.2% Offset ksi Elongation in 4D % L Elongation in 4D % T Reduction of Area % L Up to 0.500, incl 165 155 10 - 20 Over 0.500 to 0.624, incl 158 144 10 - 20 Over 0.624 to 0.999, incl 15
35、0 137 10 - 20 Over 0.999 to 1.499, incl 145 129 10 - 20 Over 1.499 to 1.999, incl 140 129 10 - 20 Over 1.999 to 2.999, incl 135 125 10 8 20 Over 2.999 to 3.999, incl 130 120 10 6 20 Table 2B - Minimum tensile properties, SI units Rounds, Squares, Hexagons, Forgings, Rectangles, and Flash Welded Ring
36、s: Nominal Diameter or Least Distance Between Parallel Sides Millimeters Tensile Strength MPa Yield Strength at 0.2% Offset MPa Elongation in 4D % L Elongation in 4D % T Reduction of Area % L Up to 12.70, incl 1138 1069 10 - 20 Over 12.70 to 15.85, incl 1089 993 10 - 20 Over 15.85 to 25.37, incl 103
37、4 945 10 - 20 Over 25.37 to 38.07, incl 1000 889 10 - 20 Over 38.07 to 50.77, incl 965 889 10 - 20 Over 50.77 to 76.17, incl 931 862 10 8 20 Over 76.17 to 101.57, incl 896 827 10 6 20 3.5.1.2.1.1 Tensile and yield strength requirements apply in both the longitudinal and transverse directions but tra
38、nsverse properties need be determined only on product that a transverse tensile specimen not less 2.50 inches (63.5 mm) in length can be obtained. 3.5.1.2.1.2 Yield strength and reduction of area requirements do not apply to wire under 0.125 inch (3.18 mm) in nominal diameter. 3.5.1.2.1.3 Longitudin
39、al requirements in Table 2 apply to specimens from bars, wire, and forgings with axis of specimen in the area of the gage length varying not more than 15 degrees from parallel to the grain flow and to specimens taken in the circumferential direction from flash welded rings. 3.5.1.2.1.4 Mechanical pr
40、operty requirements for product outside the size range covered by 1.1 shall be agreed upon between purchaser and producer. 3.5.2 Forging Stock When a sample of stock is forged to a test coupon and heat treated as in 3.5.1.2, specimens taken from the heat treated coupon shall conform to the requireme
41、nts of 3.5.1.2.1. If specimens taken from the stock after heat treatment as in 3.5.1.2 conform to the requirements of 3.5.1.2.1, the tests shall be accepted as equivalent to tests of a forged coupon. 3.5.3 Stock for Flash Welded Rings or Heading A sample of stock heat treated as in 3.5.1.2 shall con
42、form to the requirements of 3.5.1.2.1. SAE INTERNATIONAL AMS4963D Page 6 of 8 3.6 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. 3.6.1 Grain flow of die forgi
43、ngs, except in areas which contain flash-line end grain, shall follow the general contour of the forgings showing no evidence of reentrant grain flow. 3.7 Tolerances Bars and wire shall conform to all applicable requirements of AMS2241. 3.8 Production, distribution, and procurement of metal stock sh
44、all comply with AS6279. This requirement becomes effective January 1, 2018. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for Inspection The producer of the SURGXFWVKDOOVXSSODOOVDPSOHVIRUSURGXFHUVWHVWVDQGVKDOOEHUHVSRQVLEOHIRU WKHSHUIRUPDQFHRIDOOrequired tests. Purchaser reserves the right to sa
45、mple and to perform any confirmatory testing deemed necessary to ensure 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 Compositio
46、n (3.1) of each heat. 4.2.1.2 Hydrogen content (3.1), microstructure (3.5.1.1.1), and surface contamination (3.5.1.1.2) of each lot of bars, wire, forgings, and flash welded rings as annealed. 4.2.1.3 Tensile properties (3.5.1.2.1) of each lot of bars, wire, forgings, and flash welded rings after so
47、lution and precipitation heat treatment. 4.2.1.4 Tolerances (3.7) of bars and wire. 4.2.2 Periodic Tests Forging stock (3.5.2) and of stock for flash welded rings or heading (3.5.3) to demonstrate ability to develop required properties and grain flow of die forgings are periodic tests and shall be performed at a frequency selected by the producer unless frequency of testing is specified by purchaser. 4.3 Sampling and Testing Shall be in accordance with AMS2368 and the following; a lot shall be all product of the same nominal size from the same heat processe
