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 2016 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/AMS6375DAEROSPACEMATERIAL SPECIFICATIONAMS6375 REV. DIssued 1991-07Reaffirmed 2010-10Revised
5、2016-01Superseding AMS6375CSteel, Welding Wire0.50Cr - 0.55Ni - 0.20Mo (0.18 - 0.23C) (SAE 8620)Vacuum Melted, Environment Controlled Packaging(Composition similar to UNS G86200)RATIONALEAMS6375D is a Five Year Review and update of this specification that brings requirements in line with similar wel
6、d wire compositions. Type 2 copper coated wire was removed from this document.1. SCOPE1.1 Form This specification covers a low-alloy steel in the form of welding wire. Type 2 Copper Coated Wire was removed from this document (see 8.5).1.2 Application This wire has been used typically as filler metal
7、 for gas-metal-arc or gas-tungsten-arc welding of steels of similar composition where the weld area is required to have strength and toughness comparable to those of the parent metal, but usage is not limited to such applications.2. APPLICABLE DOCUMENTSThe issue of the following documents in effect
8、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 document has been specif
9、ied, the last published issue of that document shall apply.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.AMS2259 Chemical Check Analysis Limits, Wrought
10、 Low-Alloy and Carbon SteelsAMS2370 Quality Assurance Sampling and Testing, Carbon and Low-Alloy Steel Wrought Products and Forging StockAMS2813 Packaging and Marking of Packages of Welding Wire, Standard MethodSAE INTERNATIONAL AMS6375D Page 2 of 6AMS2814 Packaging and Marking of Packages of Weldin
11、g Wire, Premium QualityAMS2816 Identification, Welding Wire, Tab Marking MethodAMS2819 Identification, Welding Wire, Direct Color Code SystemAMS6350 Steel Sheet, Strip, and Plate, 0.95Cr - 0.20Mo - (0.28 - 0.33C) (SAE 4130)ARP1876 Weldability Test for Weld Filler Metal WireARP4926 Alloy Verification
12、 and Chemical Composition Inspection of Welding Wire2.2 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 ProductsASTM D2650 Chemical Composition of Gasses
13、 by Mass SpectroscopyASTM E350 Chemical Analysis of Carbon Steel, Low-Alloy Steel, Silicon Electrical Steel, Ingot Iron, and Wrought IronASTM E1032 Radiographic Inspection of Welds3. TECHNICAL REQUIREMENTS 3.1 Wire Composition Wire shall conform to the percentages by weight shown in Table 1, determi
14、ned by wet chemical methods in accordance with ASTM E350, by spectrochemical methods, or by other analytical methods acceptable to purchaser.Table 1 - CompositionElement min maxCarbon (3.1.1.1) 0.18 0.23Manganese 0.70 1.00Silicon 0.15 0.35Phosphorus - 0.008Sulfur - 0.008Phosphorus + Sulfur - 0.012Ch
15、romium 0.40 0.60Nickel 0.40 0.70Molybdenum 0.15 0.25Copper - 0.35Oxygen (3.1.1.1) - 0.010 (100 ppm)Nitrogen (3.1.1.1) - 0.0050 ( 50 ppm)Hydrogen (3.1.1.1) - 0.0010 ( 10 ppm)3.1.1 Chemical analysis of initial ingot, bar, or rod stock before drawing is acceptable provided the processes used for drawin
16、g or rolling, annealing, and cleaning are controlled to ensure continued conformance to composition requirements.3.1.1.1 Carbon, oxygen nitrogen and hydrogen shall be determined on each lot with carbon and hydrogen determined on finished wire. Hydrogen shall be determined in accordance with ASTM D26
17、50. SAE INTERNATIONAL AMS6375D Page 3 of 63.1.2 Check AnalysisComposition variations shall meet the applicable requirements of AMS2259. No variation over maximum is permitted for oxygen, nitrogen, and hydrogen.3.2 Melting Practice Steel shall be either vacuum induction melted or consumable electrode
18、 vacuum remelted.3.3 Condition Cold worked, bright finish, in a temper and with a surface finish which will provide proper feeding of the wire in machine welding equipment.3.4 Fabrication 3.4.1 Wire shall be formed from rod or bar descaled by a process that does not affect the composition of the wir
19、e. Surface irregularities inherent with a forming process that do not tear the wire surface are acceptable provided the wire conforms to the tolerances of 3.7.3.4.2 In-process annealing between cold rolling or drawing operations shall be performed in a protective atmosphere to avoid surface oxidatio
20、n and adsorption of other extraneous elements.3.4.3 Drawing compounds, oxides, dirt, oil, and other foreign materials shall be removed by cleaning processes which will neither result in pitting nor cause gas absorption by the wire or deposition of substances harmful to welding operations.3.4.4 Butt
21、welding is permissible only at diameters larger than final finished product provided both ends to be joined are alloy verified using a method or methods capable of distinguishing the alloy from all other alloys processed within the facility or the repair is made at the wire processing station. The b
22、utt weld shall not interfere with uniform, uninterrupted feeding of the wire in machine welding equipment.3.4.5 Residual elements, drawing compounds, oxides, dirt, oil, dissolved gasses and other foreign materials picked up during wire processing that can adversely affect the welding characteristics
23、, the operation of the equipment, or the properties of the weld metal, shall be removed by cleaning processes that will neither result in pitting nor cause gas adsorption by the wire or deposition of substances harmful to the welding operations.3.5 Properties Wire shall conform to the following requ
24、irements:3.5.1 WeldabilityMelted wire shall flow smoothly and evenly during welding and shall produce acceptable welds. ARP1876 may be used to resolve weldability disputes.3.5.2 Spooled WireShall conform to 3.5.2.1, 3.5.2.2 and 3.5.2.3.3.5.2.1 CastWire, wound on standard 12 inch (305 mm) diameter sp
25、ools, shall have imparted to it a curvature such that a specimen sufficient in length to form one loop with a 1 inch (25 mm) overlap, when cut from the spool and laid on a flat surface, shall form a circle 15 to 50 inches (381 to 1,270 mm) in diameter.SAE INTERNATIONAL AMS6375D Page 4 of 63.5.2.2 He
26、lixThe specimen on which cast was determined, when laid on a flat surface and measured between adjacent turns, shall show a vertical separation not greater than 1 inch (25 mm).3.5.2.3 WindingFiller metal in coils and on spools shall be wound so that kinks, waves, sharp bends, overlapping, or wedging
27、 are not encountered, leaving the filler metal free to unwind without restriction. The outside end of the electrode (the end where welding is to begin) shall be identified so it can be located readily and shall be fastened to avoid unwinding. The winding shall be level winding.3.5.3 Tensile Properti
28、esSpecimens, prepared in accordance with 4.3.1 and tested in accordance with ASTM A370, shall have average tensile strength not lower than 90% of the average of the control specimens of 4.3.1; elongation of the welded specimens shall be not less than 6% in -inches (50.8 mm).3.6 Quality Wire, as rece
29、ived by purchaser, shall be uniform in quality and condition, sound, and free from foreign materials and from imperfections detrimental to welding operations, operation of welding equipment, or properties of the deposited weld metal.3.7 Sizes and Tolerances Wire shall be supplied in the sizes and to
30、 the tolerances shown in 3.7.1 and 3.7.2.3.7.1 DiameterShall be as shown in Table 2.Table 2A - Sizes and diameter tolerances, inch/pound unitsFormNominal DiameterInchToleranceInchPlus and MinusCut Lengths 0.030, 0.035, 0.045 0.001Cut Lengths 0.062, 0.078, 0.094, 0.125 0.002Spools 0.007, 0.010, 0.015
31、 0.0005Spools 0.020, 0.030, 0.035, 0.045 0.001Spools 0.062, 0.078, 0.094 0.002Table 2B - Sizes and diameter tolerances, SI unitsFormNominal DiameterMillimetersToleranceMillimeterPlus and MinusCut Lengths 0.76, 0.89, 1.14 0.025Cut Lengths 1.57, 1.98, 2.39, 3.18 0.05Spools 0.18, 0.25, 0.38 0.013Spools
32、 0.51, 0.76, 0.89, 1.14 0.025Spools 1.57, 1.98, 2.39 0.05SAE INTERNATIONAL AMS6375D Page 5 of 63.7.2 LengthCut lengths shall be furnished in 18, 27, or 36 inch (457, 686, or 914 mm) lengths, as ordered, and shall not vary more than +0, -0.5 inch (+0, -13 mm) from the length ordered.4. QUALITY ASSURA
33、NCE PROVISIONS 4.1 Responsibility for Inspection The producer of wire shall supply all samples for producers 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 wi
34、re conforms to specified requirements.4.2 Classification of Tests 4.2.1 Acceptance TestsComposition (3.1.1), sizes and tolerances (3.7), and alloy verification (5.2) are acceptance tests and shall be performed on each heat or lot as applicable.4.2.2 Periodic TestsWeldability (3.5.1), cast (3.5.2.1),
35、 helix (3.5.2.2), and tensile properties (3.5.3) are periodic tests and shall be performed at a frequency selected by the producer unless frequency of testing is specified by purchaser.4.3 Sampling and Testing Shall be in accordance with AMS2370 and as specified herein.4.3.1 Specimens for tensile te
36、sting shall be obtained from a single-vee-groove, butt-joint weld made between two pieces of AMS6350 or plate with a composition similar to UNS G86200, 0.250 inch (6.35 mm) in nominal thickness, chamfered full depth to a 60 degree included angle; the weld shall be perpendicular to the longitudinal g
37、rain direction of the test pieces. Test pieces, prior to machining the test specimens, shall be heat treated to a tensile strength not lower than 150 ksi (1,034 MPa). After heat treatment, the weld metal shall be finished flush with the parent metal on both faces and standard sheet-type, rectangular
38、 specimens shall be prepared in accordance with ASTM A370, with the weld in the approximate center of the gage length. The weld in the specimens, prior to tensile testing, shall be free from defects detrimental to tensile properties of the weld, determined in accordance with ASTM E1742. Three contro
39、l, standard sheet-type, rectangular tensile specimens shall be machined from 0.250 inch (6.35 mm) AMS6350 or plate with a composition similar to UNS G86200 of the same heat as that used for the welded specimens, heat treated with the welded specimens, and tested for comparative tensile properties in
40、 accordance with ASTM A370.4.4 Reports The producer of wire shall furnish with each shipment a report showing the results of tests for composition of each heat, and for carbon, oxygen, nitrogen and hydrogen of each lot, and stating that the wire conforms to the other technical requirements. This rep
41、ort shall include the purchase order number, heat and lot numbers, AMS6375D, nominal size, and quantity.4.5 Resampling and Retesting Shall be in accordance with AMS2370.5. PREPARATION FOR DELIVERY 5.1 Wire shall be supplied either on spools in one continuous length for machine welding or in cut leng
42、ths for manual welding, as ordered. Wire on each spool or in each package of cut lengths shall be from the same heat of steel.SAE INTERNATIONAL AMS6375D Page 6 of 65.2 Alloy Verification Wire on each spool or in each package of cut lengths shall be alloy verified by a method acceptable to purchaser.
43、 The alloy verification procedures of ARP4926 are recommended.5.2.1 An 8 inch (203 mm) length of wire shall be made accessible at both ends of each spool for alloy verification.5.3 Identification Shall be in accordance with AMS2816 unless AMS2819 or another method is specified by purchaser.5.4 Packa
44、ging and Marking Shall be in accordance with AMS2814 unless AMS2813 or another method is specified by purchaser.6. ACKNOWLEDGMENT A producer shall mention this specification number and its revision letter in all quotations and when acknowledging purchase orders.7. REJECTIONSWire not conforming to th
45、is 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 changes, have been made to the previous
46、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 Terms used in AMS are clarified in
47、 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 information.8.4 Removal of wire from the
48、 package may result in variations of oxygen, nitrogen, and hydrogen content and in developing oxides and rust on the surface of the wire.8.5 AMS6375 Revision C may be used for purchase of Type 2 - copper coated wire that was deleted from this document.8.6 Purchase documents shall specify not less than the following:AMS6375DSize and form (spools or cut lengths) of wire desiredLength of cut lengths or weight of spools desiredQuantity of wire desired Special packaging, if required.PREPARED BY AMS COMMITTEE “E”
