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 2012 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/AMS5027FAEROSPACEMATERIALSPECIFICATIONAMS5027 REV. FIssued 1970-05Revised 2012-04Superseding
5、AMS5027ESteel, Welding Wire1.05Cr - 0.55Ni - 1.0Mo - 0.08V (0.26 - 0.32C)Vacuum Melted, Environment-Controlled Packaging(Composition similar to UNS K22925)RATIONALEAMS5027F results from a Five Year Review and update of this specification.1. SCOPE1.1 FormThis specification covers a low-alloy steel in
6、 the form of welding wire.1.2 ApplicationThis wire has been used typically as filler metal for gas-tungsten-arc welding of heat-treatable steels of similar composition where the weld area is required to have strength comparable to that of the base metal, but usage is not limited to such applications
7、.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 date of the purchase order forms a part of this specification to the e
8、xtent 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 last published issue of that document shall apply.SAE AMS5027F Page
9、2 of 72.1 SAE PublicationsAvailable from ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959, Tel: 610-832-9585, www.astm.orgAMS2259 Chemical Check Analysis Limits, Wrought Low-Alloy and Carbon SteelsAMS2370 Quality Assurance Sampling and Testing, Carbon and Lo
10、w-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, Premium QualityAMS2816 Identification, Welding Wire, Tab Marking MethodAMS2819 Identification, Welding Wire, Direct Col
11、or Code SystemARP1876 Weldability Test for Weld Filler Metal WireARP4926 Alloy Verification and Chemical Composition Inspection of Welding Wire2.2 ASTM PublicationsAvailable from ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA 19428-2959, Tel: 610-832-9585, www.astm.o
12、rgASTM E 350 Chemical Analysis of Carbon Steel, Low-Alloy Steel, Silicon Electrical Steel, Ingot Iron, and Wrought Iron3. 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 spectr
13、ochemical methods, or by other analytical methods acceptable to purchaser.TABLE 1 - COMPOSITIONElement min maxCarbon (3.1.1.1) 0.26 0.32Manganese 0.60 0.90Silicon 0.10 0.30Phosphorus - 0.010Sulfur - 0.010Chromium 0.90 1.20Nickel 0.40 0.70Molybdenum 0.90 1.10Vanadium 0.05 0.10Copper (3.1.1.2) - 0.35H
14、ydrogen (3.1.1.1) - 0.0010 (10 ppm)Oxygen (3.1.1.1) - 0.0100 (100 ppm)Nitrogen (3.1.1.1) - 0.0050 (50 ppm)SAE AMS5027F Page 3 of 73.1.1 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 c
15、ontrolled to ensure continued conformance to composition requirements.3.1.1.1 Carbon, oxygen, nitrogen, and hydrogen shall also be periodically determined on finished wire.3.1.1.2 For Type 2 (copper coated) wire, copper shall also be periodically determined on finished wire (See 4.2.2).3.1.2 Check A
16、nalysisComposition variations shall meet the applicable requirements of AMS2259. No variation over maximum is permissible for oxygen, nitrogen, and hydrogen.3.2 Melting PracticeSteel shall be vacuum induction melted or vacuum arc remelted, but remelting is not required3.3 ConditionCold worked, brigh
17、t 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 bar descaled by a process that does not affect the composition of the wire. Surface irregularities inherent with a forming process
18、that do not tear the wire surface are acceptable provided the wire conforms to the tolerance of 3.73.4.2 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 adsorption of other extraneo
19、us materials.3.4.3 Butt welding is permissible provided both ends to be joined are either alloy 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 interfe
20、re with uniform, uninterrupted feeding of the wire in machine welding equipment.3.4.4 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, the operation of the equ
21、ipments 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 welding operations.3.4.5 When Type 2 copper-coated wire is specified, the copper coating shall be clean,
22、bright, and uniform in appearance. A maximum of four discontinuities in any 36-inch (914-mm) length is 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 0.000
23、5 inch (0.0127 mm) on the diameter.3.5 PropertiesWire shall conform to the following requirements:3.5.1 WeldabilityMelted wire shall flow smoothly and evenly during welding and shall produce acceptable welds, determined by a procedure agreed upon by purchase and vendor. The referee method of ARP1876
24、 may be used to resolve weldability disputes.SAE AMS5027F Page 4 of 73.5.2 Spooled WireShall conform to 3.5.2.1, 3.5.2.2 and 3.5.2.3.3.5.2.1 WindingFiller metal in coils and on spools shall be wound so that kinks, waves, sharp bends, overlapping, or wedging are not encountered, leaving the filler me
25、tal 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.3.5.2.2 CastWire, wound on standard diameter spools as shown in T
26、able 2 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 (cast) within the limits shown in Table 23.5.2.3 HelixThe specimen on which cast was determin
27、ed, when laid on a flat surface and measured between adjacent turns, shall show a vertical separation not greater than shown in Table 2.TABLE 2A - CAST AND HELIX REQUIREMENTS - INCH-POUND UNITSSpoolDiameter Wire DiameterCast-DiameterInchesHelixInchesInches Inches min max max4Al 490.5All other 0.030
28、12 n/a 10.030 15 n/a 1TABLE 2B - CAST AND HELIX REQUIREMENTS - SI UNITSSpool Diameter Wire DiameterCastMillimetersHelixMillimetersMillimeters Millimeters min max max102 All 100 230 13All other 305 n/a 250.8 380 n/a 253.6 QualityWire, as received by purchaser, shall be uniform in quality and conditio
29、n, 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 in the sizes and to the tolerances shown in 3.7.1 and 3.7.2.3.7.1 Diameter shal
30、l be as shown in Table 3.SAE AMS5027F Page 5 of 7TABLE 3A - SIZES AND DIAMETER TOLERANCES, INCH/POUND UNITSFormStandard SizesNominal DiameterInchToleranceInchplus and minusCut Lengths 0.030, 0.045 0.001Cut Lengths 0.052, 0.062, 0.078, 0.094, 0.125, 0.156, 0.188 0.002Spools 0.007, 0.010, 0.015 0.0005
31、Spools 0.020, 0.030, 0.035, 0.045 0.001Spools 0.063, 0.078, 0.094 0.002TABLE 3B - SIZES AND DIAMETER TOLERANCES, SI UNITSFormStandard SizesNominal DiameterMillimetersToleranceMillimeterplus and minusCut Lengths 0.76, 1.14 0.025Cut Lengths 1.32, 1.57, 1.98, 2.39, 3.18, 3.96, 4.78 0.05Spools 0.18, 0.2
32、5, 0.38 0.013Spools 0.51, 0.76, 0.89,1.14 0.025Spools 1.57,1.98, 2.39 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. QUALITY ASSURANCE PROVISIONS4.1 Res
33、ponsibility 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 the wire conforms to specified re
34、quirements.4.2 Classification of Tests4.2.1 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 TestsDetermination of carbon, hydrogen, oxygen, nitrogen on finished
35、wire (3.1.1.1), determination of copper (if Type 2) on finished wire (3.1.1.2), weldability (3.5.1), cast (3.5.2.2), and helix (3.5.2.3) are periodic tests and shall be performed at afrequency selected by the vendor unless frequency of testing is specified by purchaser.4.3 Sampling and TestingShall
36、be in accordance with AMS2370 and as specified herein:SAE AMS5027F Page 6 of 74.4 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 report shall in
37、clude the purchase order number, heat and lot numbers, AMS5027F, nominal size, and quantity.4.5 Resampling and RetestingShall 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
38、 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. The alloy verification procedures of ARP4926 are recommend
39、ed.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 in accordance with AMS2816 unless AMS2819 or another method is specified by purchaser.5.4 Packaging and MarkingShall be by premium quality method in accord
40、ance 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 acknowledging purchase orders.7. REJECTIONSWire not conforming to t
41、his specification, or to modifications authorized by purchaser, will be subject to rejection.8. NOTES8.1 A 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 doc
42、ument. 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 Wire not properly stored after opening of the packa
43、ge may absorb gaseous elements and corrosion (rusting) may occur on the surface of the wire.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 andproperties in Sl units and the Celsius temperatures
44、are shown as the approximate equivalents of the primary units and are presented only for information.SAE AMS5027F Page 7 of 78.5 Purchase documents should specify not less than the following:AMS5027FSize and form (spools or cut lengths) of wire desiredLengths 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“
