SAE AMS 6523H-2017 Steel Sheet Strip and Plate 0 75Cr - 9 0Ni - 4 5Co - 1 0Mo - 0 09V (0 17 - 0 23C) Vacuum Consumable Electrode Melted Annealed (UNS K91472).pdf
《SAE AMS 6523H-2017 Steel Sheet Strip and Plate 0 75Cr - 9 0Ni - 4 5Co - 1 0Mo - 0 09V (0 17 - 0 23C) Vacuum Consumable Electrode Melted Annealed (UNS K91472).pdf》由会员分享,可在线阅读,更多相关《SAE AMS 6523H-2017 Steel Sheet Strip and Plate 0 75Cr - 9 0Ni - 4 5Co - 1 0Mo - 0 09V (0 17 - 0 23C) Vacuum Consumable Electrode Melted Annealed (UNS K91472).pdf(7页珍藏版)》请在麦多课文档分享上搜索。
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 2017 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:/standards.sae.org/AMS6523H AEROSPACE MATERIAL SPECIFICATION AMS6523 REV. H Issued 1970-11 Revised 2017-08 Superse
5、ding AMS6523G Steel, Sheet, Strip, and Plate 0.75Cr - 9.0Ni - 4.5Co - 1.0Mo - 0.09V (0.17 - 0.23C) Vacuum Consumable Electrode Melted, Annealed (Composition similar to UNS K91472) RATIONALE AMS6523H results from a Five-Year Review and update of this specification that includes revision of the micro-
6、inclusion (3.5.2.1), decarburization testing methods (3.5.4) and revises reporting (4.4). 1. SCOPE 1.1 Form This specification covers a premium aircraft-quality, low-alloy steel in the form of sheet, strip, and plate. 1.2 Application These products have been used typically for parts requiring throug
7、h-hardening to high strength and toughness levels and where such parts may require welding during fabrication, but usage is not limited to such applications. 2. APPLICABLE DOCUMENTS The following publications form a part of this document to the extent specified herein. The latest issue of SAE public
8、ations shall apply. The applicable issue of other publications shall be the issue in effect on the date of the purchase order. In the event of conflict between the text of this document and references cited herein, the text of this document takes precedence. Nothing in this document, however, supers
9、edes applicable laws and regulations unless a specific exemption has been obtained. 2.1 SAE Publications Available from SAE International, 400 Commonwealth Drive, Warrendale, PA 15096-0001, Tel: 877-606-7323 (inside USA and Canada) or +1 724-776-4970 (outside USA), www.sae.org. AMS2252 Tolerances Lo
10、w-Alloy Steel Sheet, Strip, and Plate AMS2259 Chemical Check Analysis Limits Wrought Low-Alloy and Carbon Steels AMS2300 Steel Cleanliness, Premium Aircraft-Quality Magnetic Particle Inspection Procedure AMS2370 Quality Assurance Sampling and Testing Carbon and Low-Alloy Steel Wrought Products and F
11、orging Stock SAE INTERNATIONAL AMS6523H Page 2 of 7 AMS2750 Pyrometry AMS2759 Heat Treatment of Steel Parts, General Requirements AMS2807 Identification Carbon and Low-Alloy Steels, Corrosion and Heat-Resistant Steels and Alloys Sheet, Strip, Plate, and Aircraft Tubing ARP1917 Clarification of Terms
12、 Used in Aerospace Metals Specifications 2.2 ASTM Publications 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 A370 Mechanical Testing of Steel Products ASTM A604 Macroetch Testing of Consumable Electrod
13、e Remelted Steel Bars and Billets ASTM E45 Determining the Inclusion Content of Steel ASTM E112 Determining Average Grain Size ASTM E140 Hardness Conversion Tables for Metals Relationship Among Brinell Hardness, Vickers Hardness, Rockwell Hardness, Superficial Hardness, Knoop Hardness, Scleroscope H
14、ardness, and Leeb Hardness ASTM E350 Chemical Analysis of Carbon Steel, Low-Alloy Steel, Silicon Electrical Steel, Ingot Iron, and Wrought Iron ASTM E384 Microindentation Hardness of Materials ASTM E399 Plane-Strain Fracture Toughness of Metallic Materials 3. TECHNICAL REQUIREMENTS 3.1 Composition S
15、hall conform to the percentages by weight shown in Table 1, determined by wet chemical methods in accordance with ASTM E350, by spectrochemical methods, or by other analytical methods acceptable to purchaser. Table 1 - Composition Element Min Max Carbon Manganese Silicon Phosphorus Sulfur Chromium N
16、ickel Cobalt Molybdenum Vanadium Copper 0.17 0.20 - - - 0.65 8.50 4.25 0.90 0.06 - 0.23 0.40 0.20 0.010 0.010 0.85 9.50 4.75 1.10 0.12 0.35 SAE INTERNATIONAL AMS6523H Page 3 of 7 3.1.1 Check Analysis Composition variations shall meet the applicable requirements of AMS2259. 3.2 Melting Practice Steel
17、 shall be multiple melted using vacuum consumable electrode practice in the remelt cycle. 3.3 Condition The product shall be supplied in the following condition; hardness shall be determined in accordance with ASTM A370. 3.3.1 Sheet and Strip Cold finished, bright or atmosphere annealed, and descale
18、d if necessary; or hot rolled, annealed, and descaled having hardness not higher than 36 HRC, or equivalent (see 8.2). 3.3.2 Plate Hot rolled, annealed, and descaled having hardness not higher than 36 HRC, or equivalent (see 8.2). 3.3.2.1 If allowed by the purchaser, cold rolled, annealed, and desca
19、led having hardness not higher than 36 HRC, or equivalent (see 8.2). 3.3.3 When normalized and tempered product is ordered, hardness shall be not higher than 40 HRC, or equivalent (see 8.2). 3.4 Heat Treatment Shall be as follows; pyrometry shall be in accordance with AMS2750: 3.4.1 Annealing Produc
20、t shall be annealed by heating to 1250 F 25 F (677 C 14 C), holding at heat for 4 hours 0.25 hour, air cooling to room temperature, reheating to 1150 F 25 F (621 C 14 C), holding at heat for 8 hours 0.25 hour, and cooling in air to room temperature. 3.4.2 Normalizing When specified by purchaser, pro
21、duct shall be normalized prior to annealing by heating to 1650 F 25 F (899 C 14 C), holding at heat for not less than 1 h/in (25 mm) of maximum thickness, but not less than 1 hour, and cooling in air to room temperature. SAE INTERNATIONAL AMS6523H Page 4 of 7 3.5 Properties The product shall conform
22、 to the following requirements; tensile testing shall be performed in accordance with ASTM A370: 3.5.1 Macrostructure of Each Heat Visual examination of full transverse cross-sections of slab, billet or suitable rerolled product, etched in hot hydrochloric acid in accordance with ASTM A604, shall sh
23、ow no pipe or cracks. Porosity, segregation, inclusions, and other imperfections shall be no worse than the macrographs of ASTM A604 shown in Table 2. Table 2 - Macrostructure limits Condition Class Severity Freckles White Spots Radial Segregation Ring Pattern 1 2 3 4 A A B B 3.5.2 Micro-Inclusion R
24、ating No specimen shall exceed the limits shown in Table 3, determined in accordance with ASTM E45, Method D. Table 3 - Micro-inclusion rating limits A Thin A Heavy B Thin B Heavy C Thin C Heavy D Thin D Heavy Worst Field Severity Worst Field Frequency, max Total Rateable Fields Frequency, max 1.5 a
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