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 there
2、from, 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 International All rights reserved. No part of this p
3、ublication 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: +1 724-776-497
4、0 (outside USA) Fax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.org SAE values your input. To provide feedback on this Technical Report, please visit http:/www.sae.org/technical/standards/AMS5794F AEROSPACE MATERIAL SPECIFICATION AMS5794 REV. E Issued 1949-08 Revised 2
5、002-11 Reaffirmed 2013-12 Superseding AMS5794D Iron Alloy, Corrosion and Heat-Resistant, Welding Wire 31Fe - 21Cr - 20Ni - 20Co - 3.0Mo - 2.5W - 1.0Cb - 0.15N Annealed (Composition similar to UNS R30155) RATIONALE AMS5794E has been reaffirmed to comply with the SAE five-year review policy. 1. SCOPE:
6、1.1 Form: This specification covers a corrosion and heat-resistant iron alloy in the form of welding wire.1.2 Application: This wire has been used typically as filler metal for gas-tungsten-arc or gas-metal-arc welding of parts fabricated from alloys of similar composition, but usage is not limited
7、to such applications.2. APPLICABLE DOCUMENTS: The 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 to a subsequent revision of a document unless a specific document issue is specified
8、. 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 Publications: Available from SAE, 400 Commonwealth Drive, Warrendale, PA 15096-0001 or www.sae.org.AMS 2248 Chemical Check Analysis Limits,
9、Corrosion and Heat-Resistant Steels and Alloys, Maraging and Other Highly-Alloyed Steels, and Iron AlloysAMS 2371 Quality Assurance Sampling and Testing, Corrosion and Heat-Resistant Steels and Alloys, Wrought Products and Forging StockAMS 2813 Packaging and Marking of Packages of Welding Wire, Stan
10、dard MethodAMS 2814 Packaging and Marking of Packages of Welding Wire, Premium QualitySAE INTERNATIONAL AMS5794F Page 2 of 6 2.1 (Continued):AMS 2816 Identification, Welding Wire, Tab Marking MethodAMS 2819 Identification, Welding Wire, Direct Color Code SystemARP1876 Weldability Test for Weld Fille
11、r Metal WireARP4926 Alloy Verification and Chemical Composition Inspection of Welding Wire2.2 ASTM Publications: Available from ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959 or www.astm.org.ASTM E 354 Chemical Analysis of High-Temperature, Electrical, Magnetic, and Other Similar Iron
12、, Nickel, and Cobalt Alloys3. TECHNICAL REQUIREMENTS: 3.1 Wire Composition: Shall conform to the percentages by weight shown in Table 1, determined by wet chemical methods in accordance with ASTM E 354, by spectrochemical methods, or by other analytical methods acceptable to purchaser.3.1.1 Chemical
13、 analysis of initial ingot, bar, or rod stock before drawing is acceptable provided processes used for drawing or rolling, annealing, and cleaning are conducted to ensure continued conformance to composition requirements.3.1.1.1 Carbon and nitrogen shall also be determined periodically on finished w
14、ire (See 4.2.2).TABLE 1 CompositionElement min maxCarbon (3.1.1.1) - 0.10Manganese 1.00 2.00Silicon - 1.00Phosphorus - 0.04Sulfur - 0.03Chromium 20.00 22.50Nickel 19.00 21.00Cobalt 18.50 21.00Molybdenum 2.50 3.50Tungsten 2.00 3.00Columbium 0.75 1.25Nitrogen (3.1.1.1) 0.10 0.20Tantalum - 0.05Iron rem
15、ainderSAE INTERNATIONAL AMS5794F Page 3 of 6 3.1.2 Check Analysis: Composition variations shall meet the applicable requirements of AMS 2248.3.2 Condition: Cold worked, bright finish, and in a temper and with a surface finish which will provide proper feeding of the wire in machine welding equipment
16、.3.3 Fabrication: 3.3.1 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 process that does not tear the wire surfaces are acceptable provided the wire conforms to the tolerances of 3.6.3.3.2 B
17、utt welding is permissible provided both ends to be joined are alloy verified using a method 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 feedin
18、g of the wire in machine welding.3.3.3 In-process annealing, if required, between cold rolling or drawing operations, shall be performed in vacuum or protective atmospheres to ensure freedom for surface oxidation and absorption of other extraneous elements.3.3.4 Residual elements, drawing compounds,
19、 oxides, dirt, oil, dissolved gasses and other foreign material picked up during wire processing that can adversely affect the welding characteristics, 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
20、cause gas absorption by the wire or deposition of substances harmful to welding operations.3.4 Properties: Wire shall conform to the following requirements:3.4.1 Weldability: Melted wire shall flow smoothly and evenly during welding and shall produce acceptable welds. ARP1876 may be used to resolve
21、disputes.3.4.2 Spooled Wire: Shall conform to 3.4.2.1 and 3.4.2.2.3.4.2.1 Cast: Wire, 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 one-inch (25-mm) overlap, when cut from the spool and laid
22、 on a flat surface, shall form a circle 15 to 50 inches (381 to 1270 mm) in diameter.3.4.2.2 Helix: The 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 one inch (25 mm).SAE INTERNATIONAL AMS5794
23、F Page 4 of 6 3.5 Quality: Wire, 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.3.6 Sizes and Tolerances: W
24、ire shall be supplied in the sizes and to the tolerances shown in 3.6.1 and 3.6.2.3.6.1 Diameter: Shall be as shown in Table 2.3.6.2 Length: Cut 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 (-13 mm) from the le
25、ngth ordered.4. QUALITY ASSURANCE PROVISIONS: 4.1 Responsibility for Inspection: The 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 nec
26、essary to ensure that the wire conforms to specified requirements.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, 0.156, 0.187 0.002Spools 0.007, 0.010, 0.015 0.0
27、005Spools 0.020, 0.030, 0.035, 0.045 0.001Spools 0.062, 0.078, 0.094 0.002TABLE 2B - Sizes and Diameter Tolerances, Sl UnitsFormNominal DiameterMillimetersToleranceMillimeterPlus and MinusCut Lengths 0.76, 0.89, 1.14 0.025Cut Lengths 1.57, 1.98, 2.39, 3.18, 3.96, 4.75 0.05Spools 0.18, 0.25, 0.38 0.0
28、13Spools 0.51, 0.76, 0.89, 1.14 0.025Spools 1.57, 1.98, 2.39 0.05SAE INTERNATIONAL AMS5794F Page 5 of 6 4.2 Classification of Tests: 4.2.1 Acceptance Tests: Composition (3.1.1), sizes and tolerances (3.6), and alloy verification (5.2) are acceptance tests and shall be performed on each heat or lot a
29、s applicable.4.2.2 Periodic Tests: Determination of carbon and nitrogen on finished wire (3.1.1.1), weldability (3.4.1), cast (3.4.2.1), and helix (3.4.2.2) are periodic tests and shall be performed at a frequency selected by the vendor unless frequency of testing is specified by purchaser.4.3 Sampl
30、ing and Testing: Shall be in accordance with AMS 2371 and as specified herein.4.4 Reports: The 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
31、include the purchase order number, heat and lot numbers, AMS 5794E, nominal size, and quantity.4.5 Resampling and Retesting: Shall be in accordance with AMS 2371.5. PREPARATION FOR DELIVERY: 5.1 Wire shall be supplied either on spools in one continuous length for machine welding or in cut lengths fo
32、r manual welding. Wire on each spool or in each package of cut lengths shall be from the same heat of alloy.5.2 Alloy Verification: Wire from each spool or in each package of cut lengths shall be alloy verified by a method acceptable to purchaser. The alloy verification procedures of ARP4926 are rec
33、ommended.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 AMS 2816 unless AMS 2819 or another method is specified by purchaser.5.4 Packaging and Marking: Shall be in accordance with AMS
34、2813 unless AMS 2814 or another method is specified by purchaser.SAE INTERNATIONAL AMS5794F Page 6 of 6 6. ACKNOWLEDGMENT: A vendor shall mention this specification number and its revision letter in all quotations and when acknowledging purchase orders.7. REJECTIONS: Wire not conforming to this spec
35、ification, or to modifications authorized by purchaser, will be subject to rejection.8. NOTES: 8.1 A change bar (|) 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 a specificatio
36、n. An (R) symbol to the left of the document title indicates a complete revision of the specification, including technical revision. Change bars and (R) are not used in original publications, nor in specifications that contain editorial changes only.8.2 Terms used in AMS are clarified in ARP1917.8.3
37、 Dimensions in inch/pound units are primary; dimensions in Sl units are shown as the approximate equivalents of the primary units and are presented only for information.8.4 Purchase documents shall specify not less than the following:AMS 5794ESize and form (spools or cut lengths) of wire desiredLength of cut lengths or weight of spools desiredQuantity of wire desired.PREPARED UNDER THE JURISDICTION OF AMS COMMITTEE “F“
