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 reaffirmed, revised, or cancelled. SAE invites your written comments and suggestions.Copyright 2013 SAE InternationalAll rights reserved. No part of this publication may b
3、e 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 (outside USA)Fax
4、 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/AMS5899BAEROSPACEMATERIALSPECIFICATIONAMS5899 REV. BIssued 1996-08Reaffirmed 2007-04Revised 2013-04Supers
5、eding AMS5899ASteel, Corrosion-Resistant, Bars, Wire, and Forgings17Cr - 0.52Mo (0.95 - 1.20C)Powder Metallurgy Product, Hot Isostatically Pressed(Composition similar to UNS S44004)RATIONALEAMS5899B revises Condition (3.2) and is a Five Year Review and update of this specification.1. SCOPE1.1 FormTh
6、is specification covers a corrosion-resistant steel, consolidated by hot isostatic pressing (HIP) product from prealloyed powder, in the form of bars, wire, forgings, and forging stock.1.2 ApplicationThese products have been used typically for parts requiring minimum hardness of 58 HRC and resistanc
7、e to wear, corrosion, and oxidation, but usage is not limited to such applications.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
8、 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 PublicationsAvailable from SAE International, 400 Commonwealth Drive, Warrendale
9、 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 WireAMS2248 Chemical Check Analysis Limits, Corrosion and Heat-Resistant Steels and Alloys,
10、Maraging and Other Highly-Alloyed Steels, and Iron AlloysAMS2371 Quality Assurance Sampling and Testing, Corrosion and Heat-Resistant Steels and Alloys, Wrought Products and Forging StockSAE AMS5899B Page 2 of 7AMS2374 Quality Assurance Sampling and Testing, Corrosion and Heat-Resistant Steel and Al
11、loy ForgingsAMS2806 Identification, Bars, Wire, Mechanical Tubing, and Extrusions, Carbon and Alloy Steels and Corrosion and Heat-Resistant Steels and AlloysAMS2808 Identification, ForgingsAS1182 Standard Stock Removal Allowance, Aircraft-Quality and Premium Aircraft-Quality Steel Bars and Mechanica
12、l Tubing2.2 ASTM PublicationsAvailable 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 ProductsASTM E 353 Chemical Analysis of Stainless, Heat-Resisting, Maraging, and Other Simila
13、r Chromium-Nickel-lron AlloysASTM E 381 Macroetch Testing Steel Bars, Billets, Blooms, and ForgingsASTM E 384 Knoop and Vickers Hardness of Materials3. TECHNICAL REQUIREMENTS3.1 CompositionShall conform to the percentages by weight shown in Table 1, determined by wet chemical methods in accordance w
14、ith ASTM E 353, by spectrochemical methods, or by other analytical methods acceptable to purchaser.TABLE 1 - COMPOSITIONElement min MaxCarbon 0.95 1.20Manganese - 1.00Silicon - 1.00Phosphorus - 0.040Sulfur - 0.030Chromium 16.00 18.00Molybdenum 0.40 0.65Nickel - 0.75Copper - 0.503.1.1 Check AnalysisC
15、omposition variations shall meet the applicable requirements of AMS2248.3.2 ConditionThe product shall be produced from billet created by consolidating pre-alloyed atomized powder using hot isostatic pressing. The product shall be supplied in the following condition; hardness and tensile strength sh
16、all be determined in accordance with ASTM A 370.SAE AMS5899B Page 3 of 73.2.1 BarsShall have hardness not higher than 270 HB, or equivalent (See 8.2).3.2.1.1 Hexagons Regardless of Size and Bars 2.750 Inches (69.85 mm) and Under in Nominal Diameter or Least Distance Between Parallel SidesCold finish
17、ed.3.2.1.2 Bars, Other Than Hexagons, Over 2.750 Inches (69.85 mm) in Nominal Diameter or Least Distance Between Parallel SidesHot finished and annealed.3.2.2 WireCold finished having tensile strength not higher than 130 ksi (896 MPa) or equivalent hardness (See 8.3).3.2.3 ForgingsAs ordered.3.2.4 F
18、orging StockAs ordered by the forging manufacturer.3.3 PropertiesThe product shall conform to the following requirements; hardness testing shall be performed in accordance with ASTM A 370.3.3.1 Response to Heat TreatmentSpecimens from product 0.375 inch (9.52 mm) and under in nominal thickness and s
19、pecimens not less than 0.375 inch (9.52 mm) thick in any dimension cut from larger product, shall have hardness not lower than 58 HRC, or equivalent (See 8.2), after being heated to 1875 F 10 (1024 C 6), held at heat for 30 minutes 3, and cooled at a rate equivalent to cooling in still air.3.3.2 Mac
20、rostructureVisual examination of transverse full cross-sections from bars, billets, and forging stock, etched in hot hydrochloric acid in accordance with ASTM E 381, shall show no imperfections such as pipe, cracks, or segregation.3.3.3 Decarburization3.3.3.1 Bars and wire ordered ground, turned, or
21、 polished shall be free from decarburization on the ground, turned, or polished surfaces.3.3.3.2 Allowable decarburization of bars, wire, and billets ordered for forging or to specified microstructural requirements shall be as agreed upon by purchaser and vendor.3.3.3.3 Decarburization of bars and w
22、ire to which 3.3.3.1 or 3.3.3.2 is not applicable shall be not greater than shown in Table 2.SAE AMS5899B Page 4 of 7TABLE 2A - MAXIMUM DECARBURIZATION, INCH/POUND UNITSNominal Diameter or DistanceBetween Parallel SidesInchesTotal Depth ofDecarburizationInchUp to 0.500, incl 0.010Over 0.500 to 1.000
23、 incl 0.015Over 1.000 to 1.500, incl 0.020Over 1.500 to 2.000, incl 0.025Over 2.000 to 2.500, incl 0.030Over 2.500 to 3.000, incl 0.035Over 3.000 to 4.000, incl 0.045TABLE 2B - MAXIMUM DECARBURIZATION, SI UNITSNominal Diameter or DistanceBetween Parallel SidesMillimetersTotal Depth ofDecarburizatio
24、nMillimetersUp to 12.70, incl 0.25Over 12.70 to 25.40, incl 0.38Over 25.40 to 38.10, incl 0.51Over 38.10 to 50.80, incl 0.64Over 50.80 to 63.50, incl 0.76Over 63.50 to 76.20, incl 0.89Over 76.20 to 101.60, incl 1.143.3.3.4 Decarburization shall be measured by the metallographic method or by HR 30N s
25、cale hardness testing method, or by a traverse method using microhardness testing in accordance with ASTM E 384. The hardness method(s) shall be conducted on a hardened but untempered specimen protected during heat treatment to prevent changes in surface carbon content. Depth of decarburization, whe
26、n measured by a hardness method, is defined as the perpendicular distance from the surface to the depth under that surface below which there is no further increase in hardness. Such measurements shall be far enough away from any adjacent surface to be uninfluenced by any decarburization on the adjac
27、ent surface. In case of dispute, the depth of decarburization determined using the microhardness traverse method shall govern.3.3.3.4.1 When determining the depth of decarburization, it is permissible to disregard local areas provided the decarburization of such areas does not exceed the above limit
28、s by more than 0.005 inch (0.13 mm) and the width is 0.065 inch (1.65 mm) or less.3.4 QualityThe 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 Bars and wire ordered
29、 hot rolled or cold drawn, or ground, turned, or polished shall, after 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.3.4.2 Grain flow of die forgings, except in areas which contain fl
30、ash-line end grain, shall follow the general contour of the forgings showing no evidence of reentrant grain flow.SAE AMS5899B Page 5 of 73.5 TolerancesBars and wire shall conform to all applicable requirements of AMS2241.4. QUALITY ASSURANCE PROVISIONS4.1 Responsibility for InspectionThe vendor of t
31、he 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 that the product conforms to specified requirements.4.2 Classification o
32、f Tests4.2.1 Acceptance TestsComposition (3.1), response to heat treatment (3.3.1), macrostructure (3.3.2), and tolerances (3.5) are acceptance tests and shall be performed on each heat or lot as applicable.4.2.2 Periodic TestsDecarburization (3.3.3) and grain flow of die forgings (3.4.2) are period
33、ic tests and shall be performed at a frequency selected by the vendor unless frequency of testing is specified by purchaser.4.3 Sampling and TestingShall be as follows:4.3.1 Bars, Wire, and Forging StockIn accordance with AMS2371.4.3.2 ForgingsIn accordance with AMS2374.4.4 ReportsThe vendor of the
34、product shall furnish with each shipment a report showing the following results of tests and relevent information:4.4.1 For each heatCompositionMacrostructure.4.4.2 For each lot of bars, wire, and forgings: Response to heat treatment.4.4.3 A statement that the product conforms to the other technical
35、 requirements.SAE AMS5899B Page 6 of 74.4.4 Purchase order numberHeat and lot numbersAMS5899BSizeQuantity.4.4.5 If forgings are supplied, the size and melt source of stock used to make the forgings.4.5 Resampling and RetestingShall be as follows:4.5.1 Bars, Wire, and Forging StockIn accordance with
36、AMS2371.4.5.2 ForgingsIn accordance with AMS2374.5. PREPARATION FOR DELIVERY5.1 SizesExcept when exact lengths or multiples of exact lengths are ordered, straight bars and wire 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 i
37、n lengths shorter than 10 feet (3 m).5.2 IdentificationShall be as follows:5.2.1 Bars and WireIn accordance with AMS2806.5.2.2 ForgingsIn accordance with AMS2808.5.2.3 Forging StockAs agreed upon by purchaser and vendor.5.3 PackagingThe product shall be prepared for shipment in accordance with comme
38、rcial practice and in compliance with applicable rules and regulations pertaining to the handling, packaging, and transportation of the product to ensure carrier acceptance and safe delivery.6. ACKNOWLEDGMENTA vendor shall mention this specification number and its revision letter in all quotations a
39、nd when acknowledging purchase orders.SAE AMS5899B Page 7 of 77. REJECTIONSProduct not conforming to this specification, or to modifications authorized by purchaser, will be subject to rejection.8. NOTES8.1 A change bar (|) located in the left margin is for the convenience of the user in locating ar
40、eas 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 indicates a complete revision of the document, including technical revisions. Change bars and (R) are not used in original publications, nor in
41、 documents that contain editorial changes only.8.2 Hardness conversion tables for metals are presented in ASTM E 140.8.3 Tensile strength to hardness conversions are presented in ASTM A 370.8.4 Terms used in AMS are clarified in ARP1917.8.5 Dimensions in inch/pound units and the Fahrenheit temperatu
42、res are primary; dimensions in SI units and the Celsius temperatures are shown as the approximate equivalents of the primary units and are presented only for information.8.6 Purchase documents should specify not less than the following:AMS5899BForm and size or part number of product desiredQuantity of product desired.PREPARED BY AMS COMMITTEE “F“
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