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 2017 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 feedback on thisTechnical Report, please visithttp:/standards.sae.org/AMS4730HAEROSPACEMATERIAL SPECIFICATIONAMS4730 REV. HIssued 1948-05Revised 2017-01Superseding AMS4730GNicke
5、l-Copper Alloy Wire, Corrosion-Resistant67Ni - 31CuAnnealed (400)(Composition similar to UNS N04400)RATIONALEAMS4730H revises Composition (3.1), Properties (3.3.1.1), and Reports (4.4), and is a Five-Year Review and update of this specification.1. SCOPE1.1 FormThis specification covers a corrosion-r
6、esistant nickel-copper alloy in the form of wire 0.002 inch (0.05 mm) in diameter, and larger (see 8.4).1.2 ApplicationThis product has been typically used for woven wire cloth and screen, and for lockwire, but usage is not limited to such applications.2. APPLICABLE DOCUMENTSThe issue of the followi
7、ng 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 document unless a specific document issue is specified. When the referenced document has been cancelled and no superseding d
8、ocument has been specified, the last 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 +1 724-776-4970 (outside USA), www.sae.org.AMS2269 Chemical Check An
9、alysis Limits Nickel, Nickel Alloys, and Cobalt AlloysAMS2371 Quality Assurance Sampling and Testing Corrosion and Heat-Resistant Steels and Alloys Wrought Products and Forging StockARP1917 Clarification of Terms Used in Aerospace Metals SpecificationsSAE INTERNATIONAL AMS4730H Page 2 of 52.2 ASTM P
10、ublicationsAvailable from ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959, Tel: 610-832-9585, www.astm.org.ASTM E8/E8M Tension Testing of Metallic MaterialsASTM E140 Hardness Conversion Tables for Metals Relationship Among Brinell Hardness, Vickers Hardness
11、, Superficial Hardness, Knoop Hardness, Scleroscope Hardness, and Leeb Hardness Rockwell Hardness ASTM E1473 Chemical Analysis of Nickel, Cobalt, and High-Temperature Alloys3. TECHNICAL REQUIREMENTS3.1 CompositionShall conform to the percentages by weight shown in Table 1, determined by wet chemical
12、 methods in accordance with ASTM E1473 by spectrochemical methods, or by other analytical methods acceptable to purchaser.Table 1 - CompositionElement Min MaxNickel 63.0 70.0Iron - 2.5Manganese - 2.0Silicon - 0.5Carbon - 0.3Sulfur - 0.024Copper remainder3.1.1 Check AnalysisComposition variations sha
13、ll meet the applicable requirements of AMS2269.3.2 ConditionCold-drawn, annealed, and descaled if necessary.3.3 PropertiesWire shall conform to the following requirements:3.3.1 Tensile PropertiesShall be as specified in Table 2, determined in accordance with ASTM E8/E8M.3.3.1.1 Tensile property requ
14、irements for product outside of the range covered by Table 2 shall be agreed upon between purchaser and producer.Table 2Table 2A - Tensile properties, inch/pound unitsNominal DiameterInchTensile Strengthksi, MaximumCoils or SpoolsTensile Strengthksi, MaximumCut Lengths0.002 to 0.015, incl 105 -Over
15、0.015 to 0.040, incl 100 -Over 0.040 90 90SAE INTERNATIONAL AMS4730H Page 3 of 5Table 2B - Tensile properties, SI unitsNominal DiameterMillimetersTensile StrengthMPa, MaximumCoils or SpoolsTensile StrengthMPa, MaximumCut Lengths0.05 to 0.38, incl 724 -Over 0.38 to 1.02, incl 689 -Over 1.02 621 6213.
16、3.2 BendingWire shall withstand, without cracking, bending at room temperature through an angle of 180 around a diameter equal to the nominal diameter of the wire.3.4 QualityWire, as received by purchaser, shall be uniform in quality and condition, sound, smooth, and free from foreign materials and
17、from imperfections detrimental to usage of the wire.3.5 TolerancesShall conform to the following:3.5.1 DiameterShall be as shown in Table 3.Table 3Table 3A Diametral tolerances, inch/pound unitsNominal DiameterInchTolerance, InchPlus and Minus0.002 to 0.0044, incl 0.0002Over 0.0044 to 0.0079, incl 0
18、.00025Over 0.0079 to 0.0149, incl 0.0003Over 0.0149 to 0.0199, incl 0.0004Over 0.0199 to 0.031, incl 0.0005Over 0.031 to 0.045, incl 0.0006Over 0.045 to 0.079, incl 0.0007Over 0.079 to 0.1875, incl 0.0010Over 0.1875 to 0.406, incl 0.0015Over 0.406 to incl 0.002Table 3B Diametral tolerances, SI units
19、Nominal DiameterMillimetersTolerance, MillimeterPlus and Minus0.05 to 0.112, incl 0.005Over 0.112 to 0.201, incl 0.0064Over 0.201 to 0.378, incl 0.008Over 0.378 to 0.505, incl 0.010Over 0.505 to 0.79, incl 0.013Over 0.79 to 1.14, incl 0.015Over 1.14 to 2.01, incl 0.018Over 2.01 to 4.762, incl 0.025O
20、ver 4.762 to 10.31, incl 0.038Over 10.31 to incl 0.05SAE INTERNATIONAL AMS4730H Page 4 of 53.5.2 Out-of-RoundnessRound wire shall not be out-of-round by more than one-half the total tolerance given in 3.5.1.4. QUALITY ASSURANCE PROVISIONS4.1 Responsibility for InspectionThe producer of wire shall su
21、pply all samples for producer 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
22、requirements of this specification are acceptance tests and shall be performed on each heat or lot as applicable.4.3 SamplingShall be in accordance with AMS2371.4.4 Reports4.4.1 The producer of wire shall furnish with each shipment a report showing the producers name and the country where the metal
23、was melted (e.g., final melt in the case of metal processed by multiple melting operations) and the results of tests for composition of each heat and for tensile and bending properties of each lot. This report shall include the purchase order number, lot number, AMS4730H, size, and quantity.4.4.2 Wh
24、en the product is outside the range covered by 1.1, the report shall contain a statement to that effect.4.4.3 The producer of finished or semi-finished parts shall furnish with each shipment a report showing the producers name and the country where the metal was melted (e.g., final melt in the case
25、of metal processed by multiple melting operations) and the purchase order number, AMS4730H, contractor or other direct supplier of wire, part number, and quantity. When wire for making parts is produced or purchased by the parts producer, that producer shall inspect each lot of wire to determine con
26、formance to the requirements of this specification and shall include in the report either a statement that the wire conforms or copies of laboratory reports showing the results of tests to determine conformance.4.5 Resampling and RetestingShall be in accordance with AMS2371.5. PREPARATION FOR DELIVE
27、RY5.1 Wire shall be supplied on spools or in coils except when straight lengths are ordered.5.2 Identification5.2.1 Spools and CoilsShall be marked with a durable tag or label showing not less than the manufacturers identification, purchase order number, AMS4730H, nominal size, and quantity. Boxes o
28、r drums shall be marked with the same information.5.2.2 Straight LengthsShall have attached to each bundle or enclosed in each box a durable tag marked with the information of 5.2.1. When boxed, the box shall be marked with the same information.SAE INTERNATIONAL AMS4730H Page 5 of 55.3 Packaging5.3.
29、1 Spools and CoilsCoils shall be individually wrapped with waterproof paper or packed in waterproof drums. Spools, when ordered, shall be boxed.5.3.2 Straight LengthsShall be bundled or boxed.5.3.3 Wire shall be prepared for shipment in accordance with commercial practice and in compliance with appl
30、icable rules and regulations pertaining to the handling, packaging, and transportation of the wire to ensure carrier acceptance and safe delivery. 6. ACKNOWLEDGMENTA producer shall mention this specification number and its revision letter in all quotations and when acknowledging purchase orders.7. R
31、EJECTIONSWire not conforming to this specification, or to modifications authorized by purchaser, will be subject to rejection.8. NOTES8.1 Revision IndicatorA change bar (l) located in the left margin is for the convenience of the user in locating areas where technical revisions, not editorial change
32、s, 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 documents that contain editorial changes only.8.2
33、Terms used in AMS are clarified in ARP1917.8.3 Dimensions and properties 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 inform
34、ation.8.4 Purchase documents should specify not less than the following:AMS4730HSize or part number of wire desiredProperty and acceptance requirements from the cognizant engineering organization applicable to sizes outside the range listed in 1.1.1Quantity of wire desired.8.5 Similar SpecificationsFederal QQ-N-281, Class A, is listed for information only and shall not be construed as an acceptable alternate unless all requirements of this AMS are met.PREPARED BY AMS COMMITTEE “F“
