SAE AMS 5834D-2014 Cobalt Alloy Corrosion and Heat-Resistant Round Wire 20Cr - 15Ni - 40Co - 7 0Mo - 16Fe Vacuum Induction Plus Consumable Electrode Melted Solution Heat Treated Co.pdf

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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/AMS5834DAEROSPACE MATERIAL SPECIFICATIONAMS5834 REV. DIssued 1984-10Reaffirmed 2008-05Revised

5、 2014-02Superseding AMS5834CCobalt Alloy, Corrosion and Heat-Resistant, Round Wire20Cr - 15Ni - 40Co - 7.0Mo - 16FeVacuum Induction Plus Consumable Electrode MeltedSolution Heat Treated, Cold Drawn, and Aged(Composition similar to UNS R30003)RATIONALEAMS5834D results from a Five Year Review that rev

6、ises Properties (3.5.2) and Reports (4.4).1. SCOPE1.1 FormThis specification covers a corrosion and heat-resistant cobalt alloy in the form of round wire 0.140 inch (3.56 mm) and under in nominal diameter supplied in straight lengths. (See 8.5.)1.2 ApplicationThis wire has been used typically for sp

7、rings and torsion bars requiring a combination of high strength up to 800 F (427 C), excellent corrosion resistance, and good fatigue properties, but usage is not limited to such applications. The alloy is nonmagnetic.2. APPLICABLE DOCUMENTSThe issue of the following documents in effect on the date

8、of the purchase order forms a part of this specification to the extent supplied herein. The supplier 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

9、 published issue of that document shall apply.2.1 SAE PublicationsAvailable from SAE International, 400 Commonwealth Drive, Warrendale, PA 15096-0001, Tel: 877-606-7323 (inside USA and Canada) or 724-776-4970 (outside USA), www.sae.org.AMS2269 Chemical Check Analysis Limits, Nickel, Nickel Alloys an

10、d Cobalt AlloysAMS2371 Quality Assurance Sampling and Testing, Corrosion and Heat-Resistant Steels and Alloys, Wrought Products and Forging StockSAE INTERNATIONAL AMS5834D Page 2 of 5AMS2750 PyrometryAMS2806 Identification, Bars, Wire, Mechanical Tubing, and Extrusions, Carbon and Alloy Steels and C

11、orrosion and Heat-Resistant Steels and Alloys2.2 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 E 8/E 8MTensile Testing of Metallic MaterialsASTM E 18 Rockwell Hardness of Metallic Mater

12、ialsASTM E 354 Chemical Analysis of High-Temperature, Electrical, Magnetic, and Other Similar Iron, Nickel and Cobalt Alloys3. TECHNICAL REQUIREMENTS3.1 CompositionShall conform to the percentages by weight shown in Table 1, determined by wet chemical methods in accordance with ASTM E 354, by spectr

13、ochemical methods, or by other analytical methods acceptable to purchaser.TABLE 1 COMPOSITIONElement min maxCarbon - 0.15Manganese 1.5 2.5Silicon - 1.20Phosphorus - 0.015Sulfur - 0.015Chromium 19.0 21.0Nickel 14.0 16.0Cobalt 39.0 41.0Molybdenum 6.0 8.0Beryllium - 0.10Other Elements, total - 1.00Iron

14、 remainder3.1.1 Check AnalysisComposition variations shall meet the applicable requirements of AMS2269.3.2 Melting PracticeThe alloy shall be produced by multiple melting using vacuum induction followed by vacuum consumable electrode or electroslag remelting practices.3.3 ConditionSolution heat trea

15、ted, cold drawn, and aged.3.4 Heat TreatmentWire shall be solution heat treated by heating to 2150 F 25 (1177 C 14), holding at heat for a time commensurate with nominal diameter, and cooling as required. After cold drawing, the wire shall be aged by heating to a temperature within the range 900 to

16、1000 F (482 to 538 C), holding at the selected temperature within 25 F (14 C) for 5 to 5-1/2 hours, and cooling to room temperature at a rate equivalent to air cool. Pyrometry shall be in accordance with AMS2750.SAE INTERNATIONAL AMS5834D Page 3 of 53.5 PropertiesWire shall conform to the following

17、requirements:3.5.1 Tensile PropertiesShall be as specified in Table 2, determined in accordance with ASTM E 8/E 8M.TABLE 2A - MINIMUM TENSILE STRENGTH, INCH/POUND UNITSSpecified DiameterInchTensileStrengthksiYield Strengthat 0.2% Offset,ksi0.001 to 0.005, incl 330 -Over 0.005 to 0.040, incl 290 210O

18、ver 0.040 to 0.060, incl 285 200Over 0.060 to 0.080, incl 275 200Over 0.080 to 0.100, incl 275 198Over 0.100 to 0.120, incl 270 185Over 0.120 to 0.140, incl 270 180TABLE 2B - MINIMUM TENSILE STRENGTH, SI UNITSSpecified DiameterMillimeterTensileStrengthMPaYield Strengthat 0.2% Offset,MPa0.03 to 0.13,

19、 incl 2275 -Over 0.13 to 1.02, incl 1999 1448Over 1.02 to 1.52, incl 1965 1379Over 1.52 to 2.03, incl 1896 1379Over 2.03 to 2.54, incl 1896 1344Over 2.54 to 3.05, incl 1862 1276Over 3.05 to 3.56, incl 1862 12413.5.2 Tensile property requirements for product outside of the range covered by 1.1 shall

20、be agreed upon between purchaser and producer.3.5.3 HardnessShall be not lower than 46 HRC, or equivalent (See 8.3), determined in accordance with ASTM E 18.3.6 QualityWire, as received by purchaser, shall be uniform in quality and condition, sound, and free from foreign materials and from imperfect

21、ions detrimental to usage of the wire.3.7 TolerancesShall be as follows:3.7.1 DiameterIn accordance with Table 3.SAE INTERNATIONAL AMS5834D Page 4 of 5TABLE 3A - DIAMETER TOLERANCES, INCH/POUND UNITSSpecified DiameterInchTolerance, Inch,Plus and Minus0.001 to 0.0028, excl 0.00010.0028 to 0.005, excl

22、 0.000150.005 to 0.009, excl 0.00020.009 to 0.016, excl 0.000250.016 to 0.021, excl 0.000350.021 to 0.038, excl 0.000450.038 to 0.051, excl 0.000550.051 to 0.099, excl 0.000650.099 to 0.140, incl 0.0007TABLE 3B - DIAMETER TOLERANCES, SI UNITSSpecified DiameterMillimetersTolerance, Millimeter,Plus an

23、d Minus0.025 to 0.071, excl 0.00250.071 to 0.13, excl 0.00380.13 to 0.23, excl 0.0050.23 to 0.41, excl 0.00640.41 to 0.53, excl 0.00890.53 to 0.97, excl 0.01140.97 to 1.30, excl 0.01401.30 to 2.51, excl 0.01652.51 to 3.56, incl 0.0183.7.2 Out of RoundWire shall not be out-of-round by more than one-h

24、alf of the total tolerance shown in Table 3.3.7.3 StraightnessWire shall be of such straightness that the maximum curvature (depth of arc) shall not exceed 0.016 inch (0.41 mm) in any 6-inch (152-mm) length.4. QUALITY ASSURANCE PROVISIONS4.1 Responsibility for InspectionThe vendor of wire shall supp

25、ly 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 wire conforms to specified requirements.4.2 Classification of TestsAll technical req

26、uirements are acceptance tests and shall be performed on each heat or lot as applicable.4.3 Sampling and TestingShall be in accordance with AMS2371.4.4 ReportsThe vendor of wire shall furnish with each shipment a report showing the vendors name and the country where the metal was melted (e.g., final

27、 melt in the case of metal processed by multiple melting operations) and the results of tests for composition of each heat and for tensile properties and hardness of each lot, and stating that the product conforms to the other technical requirements. This report shall include the purchase order numb

28、er, heat and lot numbers, AMS5834D, size, and quantity.SAE INTERNATIONAL AMS5834D Page 5 of 54.4.1 When the product size is outside the range covered by 1.1, the report shall contain a statement to that effect.4.5 Resampling and RetestingShall be in accordance with AMS2371.5. PREPARATION FOR DELIVER

29、Y5.1 Wire shall be supplied in straight lengths.5.2 IdentificationShall be in accordance with AMS2806.5.3 PackagingWire shall be prepared for shipment in accordance with commercial practice and in compliance with applicable rules and regulations pertaining to the handling, packaging, and transportat

30、ion of the wire to ensure carrier acceptance and safe delivery.6. ACKNOWLEDGMENTA vendor shall mention this specification number and its revision letter in all quotations and when acknowledging purchase orders.7. REJECTIONSWire not conforming to this specification, or to modifications authorized by

31、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 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 titl

32、e indicates a complete revision of the document. Change bars and (R) are not used in original publications, nor in documents that contain editorial changes only.8.2 Hardness conversion tables for metals are presented in ASTM E 140.8.3 Terms used in AMS are clarified in ARP1917.8.4 Dimensions and pro

33、perties in inch/pound units and the Fahrenheit temperatures are primary; dimensions and properties in SI units and the Celsius temperatures are shown as the approximate equivalents of the primary units and are presented only for information.8.5 Procurement, purchase documents should specify not less than the following:AMS5834DSize of wire desiredQuantity of wire desiredProperty and acceptance requirements from the cognizant engineering organization applicable to sizes outside the size range listed in 1.1.PREPARED BY AMS COMMITTEE “F“