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/AMS5028EAEROSPACE MATERIAL SPECIFICATIONAMS5028 REV. EIssued 1970-05Revised 2009-07Reaffirmed
5、 2013-10Superseding AMS5028DSteel, Welding Wire1.05Cr - 0.55Ni - 1.0Mo - 0.07V (0.34 - 0.40C) (D6AC)Vacuum Melted, Environment-Controlled Packaging(Composition similar to UNS K23725)RATIONALEAMS5028E has been reaffirmed to comply with the SAE five-year review policy.1. SCOPE1.1 FormThis specificatio
6、n covers a low-alloy steel in the form of welding wire.1.2 ApplicationThis wire has been used typically as filler metal for gas-tungsten-arc and gas-metal-arc welding of heat-treatable steels of similar composition where the weld area is required to have strength comparable to that of the parent met
7、al after heat treating, but usage is not limited to such applications.1.3 ClassificationWire shall be classified as follows:Type 1 - Bare WireType 2 - Copper Coated1.3.1 Type 1 shall be supplied unless Type 2 is specified.2. APPLICABLE DOCUMENTSThe issue of the following documents in effect on the d
8、ate 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 specified, the
9、 last published issue of that document shall apply.SAE INTERNATIONAL AMS5028E Page 2 of 62.1 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.AMS2259 Chemical Chec
10、k Analysis Limits, Wrought 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 MethodAMS2814 Packaging and Marking of Packages of Welding Wire, Prem
11、ium QualityAMS2816 Identification, Welding Wire, Tab Marking MethodAMS2819 Identification, Welding Wire, Direct Color Code SystemARP1876 Weldability Test for Weld Filler Metal WireARP4926 Alloy Verification and Chemical Composition Inspection of Welding Wire2.2 ASTM Publications:Available from ASTM
12、International, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959,Tel: 610-832-9585, www.astm.org.ASTM E 350 Chemical Analysis of Carbon Steel, Low-Alloy Steel, Silicon Electrical Steel, Ingot Iron, and Wrought IronASTM D 2650 Chemical Composition of Gases by Mass Spectrometry3.
13、TECHNICAL REQUIREMENTS3.1 Wire CompositionShall 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 analytical methods acceptable to purchaser.TABLE 1 - COMPOSITIONElement min maxCarbon (3.1.1
14、.1) 0.34 0.40Manganese 0.60 0.90Silicon 0.15 0.30Phosphorus - 0.008Sulfur - 0.008Chromium 0.90 1.20Nickel 0.40 0.70Molybdenum 0.90 1.10Vanadium 0.05 0.10Copper (3.1.1.2) - 0.35Hydrogen (3.1.1.1, 3.1.1.1.1) - 0.0010 ( 10 ppm)Oxygen (3.1.1.1) - 0.0100 (100 ppm)Nitrogen (3.1.1.1) - 0.0050 ( 50 ppm)3.1.
15、1 Chemical analysis of initial ingot, bar, or rod stock before drawing is acceptable provided the processes used for drawing or rolling, annealing, and cleaning are controlled to ensure continued conformance to composition requirements.3.1.1.1 Carbon, oxygen, nitrogen, and hydrogen shall also be det
16、ermined periodically on finished wire (See 4.2.2).3.1.1.1.1 The hydrogen content of the wire shall be determined at final diameter in accordance with ASTM D 2650.3.1.1.2 For Type 2 (copper coated) wire, copper shall also be periodically determined on finished wire (See 4.2.2).SAE INTERNATIONAL AMS50
17、28E 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 PracticeSteel shall be multiple melted using vacuum consumable electrode practice in the remelt cycle or
18、shall be vacuum induction melted.3.3 ConditionCold drawn, bright 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 that does not affect the compositi
19、on of the wire.3.4.2 In-process annealing, if required, between cold rolling or drawing operations, shall be performed in vacuum or in protective atmosphere to avoid surface oxidation and absorption of other extraneous elements.3.4.3 Butt welding is permissible provided both ends to be joined are al
20、loy verified using a method or methods capable of distinguishing the alloy from all other alloys processed in the facility, or the repair is made at the wire processing station. The butt weld shall not interfere with uniform, uninterrupted feeding of the wire in machine welding.3.4.4 Drawing compoun
21、ds, oxides, dirt, oil, and other foreign materials shall be removed by cleaning processes that will neither result in pitting nor cause gas absorption by the wire or deposition of substances harmful to welding operations.3.4.5 Residual elements and dissolved gases picked up during wire processing th
22、at can adversely affect the welding characteristics, the operation of the equipment or the properties of the weld metal, shall be removed.3.4.6 When Type 2 wire is specified, the copper coating shall be clean, bright, and uniform in appearance. A maximum of four discontinuities in any 36-inch (914-m
23、m) length are acceptable provided the exposed wire is clean and bright. The maximum allowable discontinuity size shall be 0.25 inch (6.35 mm) in length. The thickness of the copper coating shall not exceed 0.0005 inch (0.0127 mm) on the diameter.3.5 PropertiesWire 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 disputes.3.5.2 Spooled WireShall conform to 3.5.2.1 and 3.5.2.2.3.5.2.1 CastWire, wound on standard 12-inch (305 mm) diameter spools, shall have impa
25、rted 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 1270 mm) in diameter.SAE INTERNATIONAL AMS5028E Page 4 of 63.5.2.2 HelixThe specimen on whi
26、ch 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).3.6 QualityWire, as received by purchaser, shall be uniform in quality and condition, sound, and free from foreign materials and from imperfection
27、s detrimental to welding operations, operation of welding equipment, or properties of the deposited weld metal.3.6.1 Surface irregularities inherent with a forming process that does not tear the wire surface are acceptable provided the wire conforms to the tolerances of 3.7.3.7 Sizes and TolerancesW
28、ire shall be supplied in the sizes and to the tolerances shown in 3.7.1 and 3.7.2.3.7.1 DiameterShall be shown in Table 2.TABLE 2A - DIAMETER TOLERANCES, INCH/POUND UNITSFormNominal DiameterInchTolerance, Inchplus and minusCut Lengths 0.030, 0.045 0.001Cut Lengths 0.052, 0.062, 0.078, 0.094, 0.125,
29、0.156, 0.188 0.002Spools 0.007, 0.010, 0.015 0.0005Spools 0.020, 0.030, 0.035, 0.045 0.001Spools 0.062, 0.078, 0.094 0.002TABLE 2B - DIAMETER TOLERANCES, SI UNITSFormNominal DiameterMillimetersTolerance, Millimeterplus and minusCut Lengths 0.75, 1.15 0.025Cut Lengths 1.32, 1.57, 1.98, 2.39, 3.18, 3.
30、96, 4.78 0.05Spools 0.18, 0.25, 0.38 0.013Spools 0.51, 0.76, 0.89, 1.14 0.025Spools 1.57, 1.98, 2.37 0.053.7.2 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, -0.5 inch (+0, -13 mm) from the length ordered.4. QUAL
31、ITY ASSURANCE PROVISIONS4.1 Responsibility for InspectionThe vendor of wire 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 th
32、e wire conforms to specified requirements.SAE INTERNATIONAL AMS5028E Page 5 of 64.2 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 applicable.4.2.2 Periodic Te
33、stsDetermination of carbon, hydrogen, oxygen, nitrogen on finished wire (3.1.1.1), determination of copper (if Type 2) on finished wire (3.1.1.2), weldability (3.5.1), cast (3.5.2.1), and helix (3.5.2.2) are periodic tests and shall be performed at a frequency selected by the vendor unless frequency
34、 of testing is specified by purchaser.4.3 Sampling and TestingIn accordance with AMS2370.4.4 ReportsThe vendor of wire shall furnish with each shipment a report showing the results of tests for composition of each heat and stating that the wire conforms to the other technical requirements. This repo
35、rt shall include the purchase order number, heat and lot numbers, AMS5028E, nominal size, and quantity.4.5 Resampling and RetestingIn 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 manu
36、al welding, as ordered. Wire on each spool or in each package of cut lengths shall be from the same heat of steel.5.2 Alloy VerificationWire from each spool or package of cut lengths shall be alloy verified by a method acceptable to purchaser and vendor. The alloy verification procedures of ARP4926
37、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 IdentificationShall be by tab marking in accordance with AMS2816 unless color coding in accordance with AMS2819 or another method is specified by purchaser.5.4 Packa
38、ging and MarkingShall be by premium quality method in accordance with AMS2814 unless the standard method in accordance with AMS2813 or another method is specified by purchaser.6. ACKNOWLEDGMENTA vendor shall include this specification number and its revision letter in all quotations and when acknowl
39、edging purchase orders.7. REJECTIONSWire not conforming to this specification, or to modifications authorized by purchaser, will be subject to rejection.SAE INTERNATIONAL AMS5028E Page 6 of 68. NOTES8.1 A change bar (|) located in the left margin is for the convenience of the user in locating areas
40、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 doc
41、uments that contain editorial changes only.8.2 Removal of wire from the package may result in variations of oxygen, nitrogen and hydrogen content.8.3 Terms used in AMS are clarified in ARP1917.8.4 Dimensions and properties in inch/pound units and the Fahrenheit temperatures are primary: dimensions a
42、ndproperties 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 Wire not properly stored after opening of the package may absorb gaseous elements and corrosion (rusting) may occur on the surface of the wire.8.6 Purchase documents should specify not less than the following:AMS5028ESize and form (spools or cut lengths) of wire desiredLength of cut lengths or weight of spools desiredType 2, if copper coating is required (See 1.3)Quantity of wire desired.PREPARED BY AMS COMMITTEE “E”
