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 ther
2、efrom, 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 2013 SAE International All rights reserved. No part of this
3、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 Canada) Tel: +1 724-776-49
4、70 (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/AMS5622F RATIONALE AMS5622F identifies a new procedure for ordering in the preci
5、pitation heat treated condition (1.1.1), includes a restriction on bar being cut from plate (3.3.1.4), revises macrostructure requirements (3.5.1.1), clarifies thickness of bars (3.5.2.2), revises Heat Treatment (3.4) clarifies tensile orientation for transverse tests (3.5.2.2.1.3), and revises Repo
6、rts (4.4). 1. SCOPE 1.1 Form This specification covers a premium aircraft-quality corrosion-resistant steel in the form of bars, wire, forgings, mechanical tubing, flash welded rings in the solution heat treated condition (See 8.4), and stock for forging, flash welded rings, or heading. 1.1.1 For pu
7、rchases of solution treated and aged product, use the applicable AMS slash specification (See 8.4). If a slash sheet description is not specified, solution annealed material shall be supplied. A specific example of a slash specification is: AMS5622/H1025 Precipitation Hardened to H1025 condition 1.2
8、 Application These products have been used typically for parts requiring corrosion resistance and high strength up to 600 F (316 C), 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-corrosio
9、n cracking; ARP1110 recommends practices to minimize such conditions. AEROSPACE MATERIAL SPECIFICATION AMS5622 REV. F Issued 1969-05 Reaffirmed 2004-12 Revised 2013-08 Superseding AMS5622E Steel, Corrosion-Resistant, Bars, Wire, Forgings, Tubing, and Rings 16Cr - 4.0Ni - 0.30Cb - 4.0Cu Solution Heat
10、 Treated, Precipitation Hardenable Consumable Electrode Remelted (Composition similar to UNS S17400) SAE INTERNATIONAL AMS5622F Page 2 of 10 1.2.2 For applications, such as bolting, where stress-corrosion is a possibility, the product should be precipitation heat treated for not less than 4 hours at
11、 the highest temperature compatible with the strength requirements but in no case lower than 1025 F (552 C). 1.3 Classification Product covered by this specification is classified as follows: Type I - Steel multiple melted using vacuum consumable electrode in the final melt. Type II - Steel multiple
12、 melted using electroslag process in the final melt. 1.3.1 Unless a specific type is ordered, either type may be supplied. 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 s
13、upplier 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 Available from SAE Intern
14、ational, 400 Commonwealth Drive, Warrendale, PA 15096-0001, Tel: 877-606-7323 (inside USA and Canada) or 724-776-4970 (outside USA), www.sae.org. AMS2241 Tolerances, Corrosion and Heat-Resistant Steel, Iron Alloy, Titanium, and Titanium Alloy Bars and Wire AMS2243 Tolerances, Corrosion and Heat-Resi
15、stant Steel Tubing AMS2248 Chemical Check Analysis Limits, Corrosion and Heat-Resistant Steels and Alloys, Maraging and Other Highly-Alloyed Steels, and Iron Alloys AMS2300 Steel Cleanliness, Premium Aircraft-Quality, Magnetic Particle Inspection Procedure AMS2315 Determination of Delta Ferrite Cont
16、ent AMS2371 Quality Assurance Sampling and Testing, Corrosion and Heat-Resistant Steels and Alloys, Wrought Products and Forging Stock AMS2374 Quality Assurance Sampling and Testing, Corrosion and Heat-Resistant Steel and Alloy Forgings AMS2750 Pyrometry AMS2806 Identification, Bars, Wire, Mechanica
17、l Tubing, and Extrusions, Carbon and Alloy Steels and Corrosion and Heat-Resistant Steels and Alloys AMS2808 Identification, Forgings AMS7490 Rings, Flash Welded, Corrosion and Heat-Resistant Austenitic Steels, Austenitic-Type Iron, Nickel, or Cobalt Alloys, or Precipitation-Hardenable Alloys AMS-H-
18、6875 Heat Treatment of Steel Raw Materials ARP1110 Minimizing Stress Corrosion Cracking in Wrought Forms of Steels and Corrosion-Resistant Steels and Alloys SAE INTERNATIONAL AMS5622F Page 3 of 10 2.2 ASTM Publications Available from ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Con
19、shohocken, PA 19428-2959, Tel: 610-832-9585, www.astm.org. ASTM A 370 Mechanical Testing of Steel Products ASTM A 604 Macroetch Testing of Consumable Electrode Remelted Steel Bars and Billets ASTM E 353 Chemical Analysis of Stainless, Heat-Resisting, Maraging, and Other Similar Chromium-Nickel-Iron
20、Alloys 3. TECHNICAL REQUIREMENTS 3.1 Composition 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. TABLE 1 - COMPOSITION Element min max Ca
21、rbon - 0.07 Manganese - 1.00 Silicon - 1.00 Phosphorus - 0.025 Sulfur - 0.015 Chromium 15.00 17.50 Nickel 3.00 5.00 Columbium 5xC 0.45 Copper 3.00 5.00 Molybdenum - 0.50 3.1.1 Check Analysis Composition variations shall meet the applicable requirements of AMS2248. 3.2 Melting Practice The steel shal
22、l be multiple melted using consumable electrode practice in the remelt cycle (See 1.3). 3.3 Condition The product shall be supplied in the following condition: 3.3.1 Bars and Wire 3.3.1.1 Rounds Solution heat treated and smooth turned or centerless ground or, when so ordered, centerless ground and p
23、olished or cold drawn, solution heat treated, and descaled. 3.3.1.2 Hexagons Cold drawn, solution heat treated, and descaled. SAE INTERNATIONAL AMS5622F Page 4 of 10 3.3.1.3 Squares and Flats Hot finished, solution heat treated, and descaled. 3.3.1.4 Bar shall not be cut from plate (Also see 4.4.5).
24、 3.3.2 Forgings and Flash Welded Rings Solution heat treated and descaled. 3.3.2.1 Flash welded rings shall not be supplied unless specified or permitted on purchasers part drawing. When supplied, rings shall be manufactured in accordance with AMS7490. 3.3.3 Mechanical Tubing Hot or cold finished, s
25、olution heat treated, and descaled. 3.3.4 Stock for Forging, Flash Welded Rings, or Heading As ordered by the forging, flash welded ring, or heading manufacturer. 3.4 Heat Treatment Bars, wire, forgings, mechanical tubing, and flash welded rings shall be solution heat treated in accordance with AMS-
26、H-6875 by heating to 1900 F 25 (1038 C 14), holding at heat for a time commensurate with section thickness, heating equipment, and procedure used, and cooling as required to below 90 F (32 C). Pyrometry shall be in accordance with AMS2750. 3.4.1 Flash welded rings may be given a homogenization heat
27、treatment prior to solution heat treatment when permitted by purchaser. When such treatment is permitted, the rings shall be heated to 2100 F 25 (1149 C 14), held at heat for not less than 90 minutes, and cooled at a rate equivalent to, or faster than, an air cool. 3.5 Properties Product, 8.0 inches
28、 (203 mm) and under in nominal diameter or least distance between parallel sides, shall conform to the following requirements; tensile and hardness testing shall be performed in accordance with ASTM A 370: 3.5.1 All Products Shall be as follows: 3.5.1.1 Macrostructure Visual examination of full cros
29、s section transverse sections from bars, billets, tube rounds, and stock for forging, flash welded rings, or heading, etched in hot hydrochloric acid in accordance with ASTM A 604, shall show no pipe or cracks. Porosity, segregation, inclusions, and other imperfections shall be no worse than the mac
30、rographs of ASTM A 604 shown in Table 2. TABLE 2 - MACROSTRUCTURE LIMITS Class Condition Severity 1 Freckles A 2 White Spots A 3 Radial segregation A 4 Ring pattern B SAE INTERNATIONAL AMS5622F Page 5 of 10 3.5.1.2 Microstructure The product shall contain not more than 5% free ferrite, determined in
31、 accordance with AMS2315. 3.5.2 Bars, Wire, Forgings, Mechanical Tubing, and Flash Welded Rings 3.5.2.1 As Solution Heat Treated 3.5.2.1.1 Hardness 3.5.2.1.1.1 Bars Not higher than 363 HB, or equivalent (See 8.2), determined at approximately mid-radius or quarter-thickness. 3.5.2.1.1.2 Forgings, Mec
32、hanical Tubing, and Flash Welded Rings Not higher than 363 HB, or equivalent (See 8.2). 3.5.2.1.2 Tensile Properties Wire shall have tensile strength not higher than 175 ksi (1207 MPa), or equivalent hardness (See 8.3). 3.5.2.2 After Precipitation Heat Treatment The solution heat treated product up
33、to 8.0 inches (203 mm) in diameter or least distance between parallel sides, precipitation heat treated to a particular condition in accordance with the corresponding temperatures and times shown in Table 3 and cooled in air, shall have the properties shown in 3.5.2.2.1 and 3.5.2.2.2 for that partic
34、ular condition. Tensile and hardness tests shall be made in only the H900 precipitation heat treated condition, unless purchaser specifies another heat treated testing condition. TABLE 3 - PRECIPITATION HEAT TREATMENTS Condition Temperature Time H900 900 F 10 (482 C 6) 1 hour 0.1 H925 925 F 10 (496
35、C 6) 4 hours 0.3 H1025 1025 F 10 (552 C 6) 4 hours 0.3 H1075 1075 F 10 (579 C 6) 4 hours 0.3 H1100 1100 F 10 (593 C 6) 4 hours 0.3 H1150 1150 F 10 (621 C 6) 4 hours 0.3 3.5.2.2.1 Longitudinal and Transverse Tensile Properties Shall be as specified in Table 4. SAE INTERNATIONAL AMS5622F Page 6 of 10
36、TABLE 4A - MINIMUM TENSILE STRENGTH PROPERTIES, INCH/POUND UNITS Condition Specimen Orientation Tensile Strength ksi Yield Strength at 0.2% Offset ksi Elongation in 2 Inches or 4D % Reduction of Area % H900 Longitudinal Transverse 190 190 170 170 10 5 35 15 H925 Longitudinal Transverse 170 170 155 1
37、55 10 6 38 20 H1025 Longitudinal Transverse 155 155 145 145 12 7 45 27 H1075 Longitudinal Transverse 145 145 125 125 13 8 45 28 H1100 Longitudinal Transverse 140 140 115 115 14 9 45 29 H1150 Longitudinal Transverse 135 135 105 105 16 10 50 30 TABLE 4B - MINIMUM TENSILE STRENGTH PROPERTIES, SI UNITS
38、Condition Specimen Orientation Tensile Strength MPa Yield Strength at 0.2% Offset MPa Elongation in 50.8 mm or 4D % Reduction of Area % H900 Longitudinal Transverse 1310 1310 1172 1172 10 5 35 15 H925 Longitudinal Transverse 1172 1172 1069 1069 10 6 38 20 H1025 Longitudinal Transverse 1069 1069 1000
39、 1000 12 7 45 27 H1075 Longitudinal Transverse 1000 1000 862 862 13 8 45 28 H1100 Longitudinal Transverse 965 965 793 793 14 9 45 29 H1150 Longitudinal Transverse 931 931 724 724 16 10 50 30 3.5.2.2.1.1 Longitudinal tensile property requirements apply to specimens taken in the longitudinal direction
40、 from bars, wire, and extrusions, to specimens taken from forgings with axis of specimen in the area of gage length varying not more than 15 degrees from parallel to the forging flow lines, and to specimens taken in the circumferential direction from flash welded rings. 3.5.2.2.1.2 Transverse tensil
41、e property requirements apply to specimens taken approximately perpendicular to the longitudinal direction of bars and extrusions, to specimens taken from forgings with axis of specimen in the area of gage length varying not more than 15 degrees from perpendicular to the forging flow lines, and to s
42、pecimens taken in the radial direction from flash welded rings. 3.5.2.2.1.3 Transverse tensile property requirements apply only to products from which a test specimen not less than 2-1/2 inches (63.5 mm) long or 1/2 1/2 inch (12.7 12.7 mm) cross-section can be obtained. If cross-sectional dimensions
43、 of the product permit, the transverse testing shall be of the short-transverse (ST) direction: otherwise, the orientation shall be long transverse (LT). 3.5.2.2.1.4 Products tested in the transverse direction need not be tested in the longitudinal direction. SAE INTERNATIONAL AMS5622F Page 7 of 10
44、3.5.2.2.2 Hardness Should be within the range shown in Table 5, or equivalent (See 8.2), for the corresponding precipitation heat treated condition but the product shall not be rejected on the basis of hardness if the tensile property requirements of Table 4 are acceptable, determined on specimens t
45、aken from the same sample as that with nonconforming hardness or from another sample with similar nonconforming hardness. TABLE 5 HARDNESS, HB Condition Min Max H900 388 444 H925 375 429 H1025 331 401 H1075 311 375 H1100 302 363 H1150 277 352 3.5.3 Forging Stock When a sample of stock is forged to a
46、 test coupon and heat treated as in 3.4 and 3.5.2.2, specimens taken from the heat treated coupon shall conform to the requirements of 3.5.2.2.1 and 3.5.2.2.2. If specimens taken from the stock after heat treatment as in 3.4 and 3.5.2.2 conform to the requirements of 3.5.2.2.1 and 3.5.2.2.2, the tes
47、ts shall be accepted as equivalent to tests of a forged coupon. 3.5.4 Stock for Flash Welded Rings or Heading Specimens taken from the stock after heat treatment as in 3.4 and 3.5.2.2 shall conform to the requirements of 3.5.2.2.1 and 3.5.2.2.2. 3.6 Quality The product, as received by purchaser, sha
48、ll be uniform in quality and condition, sound, and free from foreign materials and from imperfections detrimental to usage of the product. 3.6.1 Steel shall be premium aircraft-quality conforming to AMS2300. 3.6.2 Grain flow of die forgings, except in areas which contain flash-line end grain, shall
49、follow the general contour of the forgings showing no evidence of reentrant grain flow. 3.7 Tolerances Shall conform to all applicable requirements of the following: 3.7.1 Bars and Wire In accordance with AMS2241. 3.7.2 Mechanical Tubing In accordance with AMS2243. SAE INTERNATIONAL AMS5622F Page 8 of 10 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for Inspect
