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 theref
2、rom, 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 InternationalAll rights reserved. No part of this publi
3、cation 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: +1 724-776-4970 (out
4、side USA)Fax: 724-776-0790Email: CustomerServicesae.orgSAE WEB ADDRESS: http:/www.sae.orgSAE values your input. To provide feedbackon this Technical Report, please visithttp:/www.sae.org/technical/standards/AMS5611FAEROSPACE MATERIAL SPECIFICATIONAMS5611 REV. FIssued 1970-05Revised 2006-09Reaffirmed
5、 2013-08Superseding AMS5611ESteel, Corrosion and Heat-Resistant, Bars, Wire, Forgings, Tubing, and Rings12CrFerrite Controlled, Consumable Electrode Melted(Composition similar to UNS S41001)RATIONALEAMS5611F has been reaffirmed to comply with the SAE 5-year review policy.1. SCOPE1.1 Form This specif
6、ication covers a premium aircraft-quality, corrosion and heat-resistant steel in the form of bars, wire, forgings, mechanical tubing, flash welded rings, and stock for forging or flash welded rings.1.2 Application These products have been used typically for pressure vessels or structural parts requi
7、ring uniformly high room-temperature tensile properties with oxidation resistance up to 1000 F (538 C), where control of ferrite is necessary, but usage is not limited to such applications.1.2.1 Certain design and processing procedures may cause these products to become susceptible to stress-corrosi
8、on cracking; ARP1110 recommends practices to minimize such conditions.2. APPLICABLE DOCUMENTSThe 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 documen
9、t 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.SAE INTERNATIONAL AMS5611F Page 2 of 82.1 SAE Publications Available from SAE International, 400 Comm
10、onwealth 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 WireAMS2243 Tolerances, Corrosion and Heat-Resistant Steel TubingA
11、MS2248 Chemical Check Analysis Limits, Corrosion and Heat-Resistant Steels and Alloys, Maraging and Other Highly-Alloyed Steels, and Iron AlloysAMS2300 Steel Cleanliness, Premium Aircraft-Quality Magnetic Particle Inspection ProcedureAMS2315 Determination of Delta Ferrite ContentAMS2371 Quality Assu
12、rance Sampling and Testing, Corrosion and Heat-Resistant Steels and Alloys, Wrought Products and Forging StockAMS2374 Quality Assurance Sampling and Testing, Corrosion and Heat-Resistant Steel and Alloy ForgingsAMS2806 Identification, Bars, Wire, Mechanical Tubing, and Extrusions, Carbon and Alloy S
13、teels and Corrosion and Heat-Resistant Steels and AlloysAMS2808 Identification, ForgingsAMS7493 Rings, Flash Welded, Ferritic and Martensitic Corrosion-Resistant SteelsAS1182 Standard Stock Removal Allowance, Aircraft-Quality and Premium Aircraft-Quality Steel Bars and Mechanical TubingARP1110 Minim
14、izing Stress Corrosion Cracking in Wrought Forms of Steels and Corrosion Resistant Steels and Alloys2.2 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 A 370 Mechanical Testing of Steel
15、ProductsASTM A 604 Macroetch Testing of Consumable Electrode Remelted Steel Bars and BilletsASTM E 112 Determining Average Grain SizeASTM E 353 Chemical Analysis of Stainless, Heat-Resisting, Maraging, and Other Similar Chromium-Nickel-Iron AlloysSAE INTERNATIONAL AMS5611F Page 3 of 83. TECHNICAL RE
16、QUIREMENTS 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 - COMPOSITIONElement min maxCarbon 0.12 0.15Manganese -
17、 0.60Silicon - 0.50Phosphorus - 0.025Sulfur - 0.025Chromium 11.50 12.50Nickel - 0.75Molybdenum - 0.20Aluminum - 0.05Copper - 0.50Tin - 0.05Nitrogen - 0.183.1.1 Check Analysis Composition variations shall meet the applicable requirements of AMS2248.3.2 Melting Practice Shall be multiple melted using
18、vacuum consumable electrode practice in the remelt cycle.3.3 Condition The product shall be supplied in the following condition; hardness and tensile strength shall be determined in accordance with ASTM A 370:3.3.1 Bars Annealed having hardness not higher than 241 HB, or equivalent (See 8.2).3.3.1.1
19、 Bars over 0.500 to 2.750 inches (12.70 to 69.85 mm), inclusive, in nominal diameter or least distance between parallel sides, and all hexagons shall be cold finished.3.3.1.2 Bars, other than hexagons, over 2.750 inches (69.85 mm) in nominal diameter or least distance between parallel sides shall be
20、 hot finished.3.3.2 Wire Cold drawn and annealed having tensile strength not higher than 115 ksi (793 MPa), or equivalent hardness (See 8.3).3.3.3 Forgings and Flash Welded Rings Normalized and tempered having hardness not higher than 241 HB, or equivalent (See 8.2).3.3.3.1 Flash welded rings shall
21、not be supplied unless specified or permitted on purchasers part drawing. When supplied, rings shall be manufactured in accordance with AMS7493.SAE INTERNATIONAL AMS5611F Page 4 of 83.3.4 Mechanical Tubing Annealed and cold finished having hardness not higher than 241 HB, or equivalent (See 8.2).3.3
22、.5 Stock for Forging or Flash Welded Rings As ordered by the forging or flash welded ring manufacturer.3.4 Properties The product shall conform to the following requirements; tensile and hardness testing shall be performed in accordance with ASTM A 370:3.4.1 Bars, Wire, Forgings, Tubing, and Flash W
23、elded Rings 3.4.1.1 Macrostructure Visual examination of transverse sections from bars, wire, billets, tube rounds, and stock for forging or flash welded rings,etched in hot hydrochloric acid in accordance with ASTM A 604, shall show no pipe or cracks. Porosity, segregation, inclusions, and other im
24、perfections for product 36 square inches (232 cm2) and under in nominal cross-sectional area shall be no worse than the macrographs of ASTM A 604 shown in Table 2.TABLE 2 - MACROSTRUCTURE LIMITSClass Condition Severity1Freckles A2 White Spots A3 Radial Segregation B4 Ring Pattern B3.4.1.2 Decarburiz
25、ation Bars, wire, tubing, and flash welded rings ordered ground, turned, or polished shall be free from decarburization on the ground, turned, or polished surfaces, determined metallographically at a magnification not exceeding 100X.3.4.1.3 Response to Heat Treatment Bars, wire, forgings, tubing, an
26、d flash welded rings shall have the properties shown in Table 3, determined on full-thickness specimens taken from product 0.500 inch (12.70 mm) and under in nominal diameter or distance between parallel sides, or from samples with a minimum dimension of 0.500 inch 0.100 (12.70 mm 2.54) cut from lar
27、ger product except that samples for tensile tests cut from larger product shall have a minimum dimension of 0.500 to 0.750 inch (12.70 to 19.05 mm). The specimens shall be hardened by heating in a neutral atmosphere to 1735 F 10 (946 C 6), holding at heat for 1 hour 0.1, and cooling in still air and
28、 double tempered by heating to 600 F 10 (316 C 6), holding at heat for 2 hours 0.25, and cooling in air, reheating to 600 F 10 (316 C 6), holding at heat for 2 hours 0.25, and cooling in air.3.4.1.3.1 Longitudinal Tensile Properties TABLE 3 - MINIMUM LONGITUDINAL TENSILE PROPERTIESProperty ValueTens
29、ile StrengthYield Strength at 0.2% OffsetElongation in 2 inches (50.8 mm) or 4DReduction of Area180 ksi (1241 MPa)145 ksi (1000 MPa)10% 30%SAE INTERNATIONAL AMS5611F Page 5 of 83.4.1.3.1.1 Long-Transverse Tests May be used instead of longitudinal tests if obtainable from the product.3.4.1.3.2 Hardne
30、ss Should be 39 to 44 HRC, or equivalent (See 8.2). The product shall not be rejected on the basis of hardness if the tensile properties of 3.4.1.3.1 are acceptable, determined on specimens taken from the same sample as that with nonconforming hardness or from another sample with similar nonconformi
31、ng hardness.3.4.1.3.3 Average Grain Size Predominantly 5 or finer, determined in accordance with ASTM E 112 (See 8.4).3.4.1.3.4 Delta Ferrite Content Shall be not more than 5%, determined in accordance with AMS2315.3.4.2 Forging Stock When a sample of stock is forged to a test coupon and heat treate
32、d as in 3.4.1.3, specimens taken from the heat treated coupon shall conform to the requirements of 3.4.1.3.1, 3.4.1.3.2, 3.4.1.3.3, and 3.4.1.3.4. If specimens taken from the stock after heat treatment as in 3.4.1.3 conform to the requirements of 3.4.1.3.1, 3.4.1.3.2, 3.4.1.3.3, and 3.4.1.3.4, the t
33、ests shall be acceptable as equivalent to tests of a forged coupon.3.4.3 Stock for Flash Welded RingsSpecimens taken from the stock after heat treatment as in 3.4.1.3 shall conform to the requirements of 3.4.1.3.1, 3.4.1.3.2, 3.4.1.3.3, and 3.4.1.3.4.3.5 Quality The product, as received by purchaser
34、, shall be uniform in quality and condition, sound, and free from foreign materials and from imperfections detrimental to usage of the product.3.5.1 Steel shall be premium aircraft-quality conforming to AMS2300.3.5.2 Bars ordered hot rolled or cold drawn, or ground, turned, or polished, shall, after
35、 removal of the standard machining allowance in accordance with AS1182, be free from seams, laps, tears, and cracks open to the ground, turned, or polished surface.3.5.3 Grain flow of die forgings, except in areas which contain flash-line end grain, shall follow the general contour of the forgings s
36、howing no evidence of reentrant grain flow.3.6 Tolerances Shall be as follows:3.6.1 Bars and Wire In accordance with AMS2241.3.6.2 Mechanical Tubing In accordance with AMS2243.SAE INTERNATIONAL AMS5611F Page 6 of 84. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for Inspection The vendor of the pr
37、oduct 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 product conforms to specified requirements.4.2 Classification of Tes
38、ts 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 Macrostructure (3.4.1.1) of each heat.4.2.1.3 Decarburization (3.4.1.2) of each lot of bars, wire, tubing, and flash welde
39、d rings ordered ground, turned, or polished.4.2.1.4 Longitudinal tensile properties (3.4.1.3.1), average grain size (3.4.1.3.3), and ferrite content (3.4.1.3.4) of each lot of bars, wire, forgings, tubing, and flash welded rings after hardening and double tempering.4.2.1.5 Tolerances of bars and wir
40、e (3.6.1) and mechanical tubing (3.6.2).4.2.2 Periodic Tests Hardness (3.4.1.3.2) of bars, wire, forgings, tubing, and flash welded rings after heat treatment, frequency-severity cleanliness rating (3.5.1), grain flow of die forgings (3.5.3), and tests of forging stock (3.4.2) and of stock for flash
41、 welded rings (3.4.3) to demonstrate ability to develop required properties are periodic tests and shall be performed at a frequency selected by the vendor unless frequency of testing is specified by purchaser.4.3 Sampling and Testing Shall be as follows:4.3.1 Bars, Wire, Mechanical Tubing, Flash We
42、lded Rings, and Stock for Forging or Flash Welded Rings In accordance with AMS2371.4.3.1.1 Specimens for grain size of flash welded rings shall be cut from parent metal not including the weld-heat-affected zone.4.3.2 Forgings In accordance with AMS2374.4.4 Reports The vendor of the product shall fur
43、nish with each shipment a report showing the results of tests for composition, macrostructure, and, when performed, frequency-severity cleanliness rating of each heat and for tensile properties, average grain size, and percent ferrite of each lot, and stating that the product conforms to the other t
44、echnical requirements. This report shall include the purchase order number, heat and lot numbers, AMS5611G, size, and quantity.If forgings are supplied, the size and melt source of stock used to make the forgings shall also be included.SAE INTERNATIONAL AMS5611F Page 7 of 84.5 Resampling and Retesti
45、ng Shall be as follows:4.5.1 Bars, Wire, Mechanical Tubing, Flash Welded Rings, and Stock for Forging or Flash Welded Rings In accordance with AMS2371.4.5.2 Forgings In accordance with AMS2374.5. PREPARATION FOR DELIVERY 5.1 Sizes Except when exact lengths or multiples of exact lengths are ordered,
46、straight bars, wire, and tubing will be acceptable in mill lengths of 6 to 20 feet (1.8 to 6.1 m) but not more than 10% of any shipment shall be supplied in lengths shorter than 10 feet (3 m).5.2 Identification Shall be as follows:5.2.1 Bars, Wire, and Mechanical Tubing In accordance with AMS2806.5.
47、2.2 Forgings In accordance with AMS2808.5.2.3 Flash Welded Rings and Stock for Forging or Flash Welded Rings As agreed upon by purchaser and vendor.5.3 Packaging The product shall be prepared for shipment in accordance with commercial practice and in compliance with applicable rules and regulations
48、pertaining to the handling, packaging, and transportation of the product to ensure carrier acceptance and safe delivery.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 confor
49、ming to this specification, or to modifications authorized by purchaser, will be subject to rejection.SAE INTERNATIONAL AMS5611F Page 8 of 88. NOTES 8.1 A change bar (l) 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 this document. An (R) symbol to the left of the document title ind
