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 (outs
4、ide 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/AMS6458JAEROSPACEMATERIAL SPECIFICATIONAMS6458 REV. JIssued 1960-06Reaffirmed 2010-05Revised 2
5、016-01Superseding AMS6458HSteel, Welding Wire0.65Si - 1.25Cr - 0.50Mo - 0.30V (0.28 - 0.33C)Vacuum Melted, Environment Controlled Packaging(Composition similar to UNS K23015)RATIONALEAMS6458J results from a Five Year Review and update of this specification that aligns composition requirements with o
6、ther steel weld wire specs (3.1) and radiographic inspection standards with those used in industry (4.3.1), and fabrication (3.4) weldability (3.5.1) and winding (3.5.3) are updated with standard words. Type 2 copper coated wire was removed from this document.1. SCOPE1.1 FormThis specification cover
7、s 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 ApplicationThis wire has been used typically as filler metal for gas-tungsten-arc and gas-metal-arc welding of low-alloy steels of similar composition where the weld area is requir
8、ed to have strength comparable to that of the parent metal, but usage is not limitedto 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 t
9、o 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 published issue of that document shall apply.2.1 SAE PublicationsAvailable from SAE International, 400 Commonw
10、ealth 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 Low-Alloy and Carbon SteelsAMS2370 Quality Assurance Sampling and Testing, Carbon and Low-Alloy Steel Wrought Products and F
11、orging StockSAE INTERNATIONAL AMS6458J Page 2 of 7AMS2813 Packaging and Marking of Packages of Welding Wire, Standard MethodAMS2814 Packaging and Marking of Packages of Welding Wire, Premium QualityAMS2816 Identification, Welding Wire, Tab Marking MethodAMS2819 Identification, Welding Wire, Direct C
12、olor Code SystemAMS6385 Steel Sheet, Strip, and Plate, Low-Alloy, Heat Resistant 0.65Si - 1.25Cr - 0.50Mo - 0.25V (0.27 - 0.33C)ARP1876 Weldability Test for Weld Filler Metal WireARP4926 Alloy Verification and Chemical Composition Inspection of Welding Wire2.2 ASTM PublicationsAvailable from ASTM In
13、ternational, 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 by Mass SpectroscopyASTM E350 Chemical Analysis of Carbon Steel, Low-Alloy Steel, Silicon Elect
14、rical Steel, Ingot Iron, and Wrought IronASTM E1032 Radiographic Inspection of Welds3. TECHNICAL REQUIREMENTS3.1 CompositionWire shall conform to the percentages by weight shown in Table 1, determined by wet chemical methods in accordance with ASTM E 350, by spectrochemical methods, or by other anal
15、ytical methods acceptable to purchaser.Table 1 - CompositionElement min maxCarbon (3.1.1.1)ManganeseSiliconPhosphorusSulfurChromiumMolybdenumVanadiumNickelCopper Oxygen (3.1.1.1)Nitrogen (3.1.1.1)Hydrogen (3.1.1.1)0.280.450.55-1.150.400.20-0.330.650.750.0080.0081.350.600.400.250.350.0025 (25 ppm)0.0
16、05 (50 ppm)0.0025 (25 ppm)SAE INTERNATIONAL AMS6458J Page 3 of 73.1.1 Chemical analysis of initial ingot, bar, or rod stock before drawing, other than those analyses required to be done on the finished wire, is acceptable provided the processes used for drawing or rolling, annealing, and cleaning ar
17、e controlled to ensure continued conformance to 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 D2650. 3.1.2 Check AnalysisComposition variations shal
18、l meet the applicable requirements of AMS2259 except that no variation is permitted for oxygen, nitrogen, and hydrogen.3.2 Melting PracticeSteel shall be multiple melted using vacuum consumable electrode process in the remelt cycle or shall be vacuum induction melted.3.3 ConditionCold worked, bright
19、 finish, in a temper and with a surface finish that will provide proper feeding of the wire in machine welding equipment.3.4 Fabrication3.4.1 Wire shall be formed from rod or bar descaled by a process which does not affect the composition of the wire. Surface irregularities inherent with a forming p
20、rocess 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, if required, between cold rolling or drawing operations, shall be performed in vacuum or protective atmospheres to avoid surface oxidation and absorption of other e
21、xtraneous 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 welding is permissible only
22、 at diameters larger than final finished product size provided both ends to be joined are either alloy verified using a method or methods capable of distinguishing the alloy from all others processed in the facility, or the repair is made at the wire processing station. The butt weld shall not inter
23、fere with uniform, uninterrupted feeding of the wire in machine welding equipment.3.4.5 Residual elements, drawing compounds, oxides, dirt, oil, dissolved gases and other foreign materials picked up during wire processing that can adversely affect the welding characteristics, the operation of the eq
24、uipment, 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 PropertiesWire shall conform to the following requirements:3.5.1 Weldability
25、Melted wire shall flow smoothly and evenly during welding and shall produce acceptable welds, determined by a procedure agreed upon by purchaser and producer. ARP1876 may be used to resolve disputes.3.5.2 Spooled WireShall conform to 3.5.2.1, 3.5.2.2 and 3.5.2.3.SAE INTERNATIONAL AMS6458J Page 4 of
26、73.5.2.1 CastWire, wound on standard 12 inch (305 mm) diameter spools, 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 (361 to 1270
27、mm) in diameter.3.5.2.2 HelixThe 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 bend
28、s, overlapping, or wedging are not encountered, leaving the filler metal free to unwind without restriction. The outside end of the wire (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
29、.5.3 Tensile PropertiesSpecimens, 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 specimen shall be not less than 6% in 2 inches (50.8 mm).3.6
30、QualityWire, as received 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 TolerancesWire shall be supplied
31、in the standard sizes and to 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 LengthsCut Lengths Cut LengthsSpools Spools Spools 0.030, 0.045 0.062, 0.07
32、8 0.094, 0.125, 0.156, 0.1880.007, 0.010, 0.0150.020, 0.030, 0.035, 0.0450.062, 0.078, 0.0940.001 0.002 0.002 0.00050.001 0.002 SAE INTERNATIONAL AMS6458J Page 5 of 7Table 2B - Sizes and diameter tolerances, SI unitsFormNominal DiameterMillimetersToleranceMillimeterPlus and MinusCut LengthsCut Lengt
33、hs Cut LengthsSpools Spools Spools 0.76, 1.141.57, 1.98 2.39, 3.18, 3.96, 4.780.18, 0.25, 0.380.51, 0.76, 0.89, 1.141.57, 1.98, 2.390.025 0.05 0.050.0130.0250.053.7.2 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
34、, -0.5 inch (+0, -13 mm) from the length ordered.4. QUALITY ASSURANCE PROVISIONS4.1 Responsibility for InspectionThe 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
35、 any confirmatory testing deemed necessary to ensure that the wire conforms to specified requirements.4.2 Classification of Tests4.2.1 Acceptance TestsComposition (3.1), sizes and tolerances (3.7), and alloy verification (5.2) are acceptance tests and shall be performed on each heat or lot as applic
36、able.4.2.2 Periodic TestsWeldability (3.5.1), cast (3.5.2.1), 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 TestingShall be in accordance with AM
37、S2370 and as specified herein.4.3.1 Specimens for Tensile Property TestingA single-vee-groove, butt-joint weld shall be made between two pieces of AMS6385 or plate with a composition similar to UNS K23015, 0.250 inch (6.35 mm) in nominal thickness, which have been chamfered full depth to a 60 degree
38、 included angle; the weld shall be perpendicular to the longitudinal grain direction of the test pieces. Test pieces, prior to machiningthe test specimens, shall be heat treated to a tensile strength not lower than 180 ksi (1241 MPa). After heat treatment, the weld metal shall be finished flush with
39、 the parent metal on both faces and standard sheet-type, rectangular tensile 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 pr
40、operties of the weld,determined by radiographic inspection in accordance with ASTM E1032. Three control standard sheet-type, rectangular tensile specimens shall be machined from 0.250 inch (6.35 mm) AMS6385 or plate with a composition similar to UNS K23015 of the same heat of steel as that used for
41、the welded specimens, heat treated with the welded specimens, and tested for comparative tensile properties in accordance with ASTM A370.SAE INTERNATIONAL AMS6458J Page 6 of 74.4 ReportsThe producer of wire shall furnish with each shipment a report showing the results of tests for the full chemical
42、compositionof each heat, and for carbon, oxygen, nitrogen and hydrogen contents of each lot, and stating that the wire conforms to the other technical requirements. This report shall include the purchase order number, heat and lot numbers, AMS6458J, nominal size, and quantity.4.5 Resampling and Rete
43、stingShall be in accordance with AMS2370.5. PREPARATION FOR DELIVERY5.1 Wire shall be supplied either on spools in one continuous length for machine welding or in cut lengths for manual welding, as ordered. Wire on each spool or in each package of cut lengths shall be from the same heat of steel.5.2
44、 Alloy VerificationWire from each spool or package of cut lengths shall be alloy verified by a method acceptable to purchaser. 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 verificati
45、on.5.3 IdentificationShall be in accordance with AMS2816 unless AMS2819 or another method is specified by purchaser.5.4 Packaging and MarkingShall be by the premium quality method in accordance with AMS2814 unless the standard method in accordance with AMS2813 or another method is specified by purch
46、aser.6. ACKNOWLEDGMENTA producer shall include 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 purchaser, will be subject to rejection.8. NOTES8.1 Revi
47、sion 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 issue of this document. An (R) symbol to the left of the document title indicates a complete revision of the
48、 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 ARP1917.8.3 Dimensions and properties in inch/pound units and the Fahrenheit temperatures are primary; dime
49、nsions andproperties in SI units and the Celsius temperatures are shown as the approximate equivalents of the primary units and are presented only for information.SAE INTERNATIONAL AMS6458J Page 7 of 78.4 Removal of wire from the 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 AMS6458 Revision H may be used for purchase
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