SAE AMS 5782J-2024

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For more information on this standard, visit

https://www.sae.org/standards/content/AMS5782J

AEROSPACE

MATERIAL SPECIFICATION

AMS5782™

REV. J

Issued 1948-11

Reaffirmed 2007-04

Revised 2024-04

Superseding AMS5782H

Steel, Corrosion- and Heat-Resistant, Welding Wire

20.5Cr - 9.0Ni - 0.50Mo - 1.5W - 1.2Cb - 0.20Ti

Vacuum Induction Melted

(Composition similar to UNS S63197)

RATIONALE

AMS5782J is the result of a Five-Year Review and update of the specification. The revision updates reporting of composition

(see 3.1.2), removes requirements for alloy identification, adds country of origin to reporting (see 4.4), and updates the

prohibition on exceptions (see 4.4.1, 5.3.1, and 8.4).

1. SCOPE

1.1 Form

This specification covers a corrosion- and heat-resistant steel in the form of welding wire.

1.2 Application

This wire has been used typically as filler metal for gas-metal-arc or gas-tungsten-arc welding of steels of similar composition

requiring joints with strength and corrosion resistance comparable to those of the basis metal, but usage is not limited 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. 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 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.

AMS2248 Chemical Check Analysis Limits, Corrosion- and Heat-Resistant Steels and Alloys, Maraging and Other

Highly Alloyed Steels, and Iron Alloys

AMS2371 Quality Assurance Sampling and Testing, Corrosion and Heat-Resistant Steels and Alloys, Wrought

Products and Forging Stock

SAE INTERNATIONAL AMS5782™J Page 2 of 7

AMS2813 Packaging and Marking of Packages of Welding Wire, Standard Method

AMS2814 Packaging and Marking of Packages of Welding Wire, Premium Quality

AMS2816 Identification, Welding Wire, Tab Marking Method

AMS2819 Identification, Welding Wire, Direct Color Code System

ARP1876 Weldability Test for Weld Filler Metal Wire

ARP4926 Alloy Verification and Chemical Composition, Inspection of Welding Wire

AS7766 Terms Used in Aerospace Metals Specifications

2.2 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 A751 Chemical Analysis of Steel Products

ASTM E8/E8M Tension Testing of Metallic Materials

2.3 Definitions

Terms used in AMS are defined in AS7766.

3. TECHNICAL REQUIREMENTS

3.1 Wire Composition

Composition shall conform to the percentages by weight shown in Table 1, determined in accordance with ASTM A751 or

by other analytical methods acceptable to the purchaser.

Table 1 - Composition

Element

Min

Max

Carbon (see 3.1.1.1)

0.07

0.13

Manganese

1.00

2.00

Silicon

0.30

0.65

Phosphorus

0.15

Sulfur

0.10

Chromium

19.00

22.00

Nickel

8.00

9.50

Molybdenum

0.35

0.65

Tungsten

1.25

1.75

Columbium

1.00

1.40

Titanium

0.10

0.30

Tantalum

0.05

Copper

0.50

3.1.1 Chemical 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 shall also be determined periodically on finished wire (see 4.2.2).

SAE INTERNATIONAL AMS5782™J Page 3 of 7

3.1.2 The producer may test for any element not listed in Table 1 and include this analysis in the report of 4.4. Reporting

of any element not listed in the composition table is not a basis for rejection unless limits of acceptability are

specified by the purchaser.

3.1.3 Check Analysis

Composition variations shall meet the applicable requirements of AMS2248.

3.2 Melting Practice

Steel shall be vacuum induction melted.

3.3 Condition

Wire shall be cold worked, bright finish, in a temper and with a surface finish that will provide proper feeding of the wire in

machine welding equipment.

3.3.1 All wire shall have a smooth finish that is free from slivers, depressions, scratches, scale, seams, laps, and foreign

matter that would adversely affect welding characteristics, operation of the welding equipment, or properties of the

weld metal.

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 wire. Surface

irregularities inherent with a forming process that do not tear the wire are acceptable provided the wire conforms to

the tolerances of 3.6.

3.4.2 In-process annealing between cold rolling or drawing operations shall be performed in vacuum or a protective

atmosphere to avoid surface oxidation and absorption of other extraneous materials.

3.4.3 Butt welding is permissible 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 butt weld shall not interfere with uniform, uninterrupted feeding of the wire in machine

welding equipment.

3.4.4 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 equipment, or

properties of the weld metal shall be removed by a cleaning process that will neither result in pitting nor cause gas

absorption by the wire nor deposition of substances harmful to welding operations.

3.5 Properties

Wire shall conform to the following requirements:

3.5.1 Tensile Properties

Wire, furnished on spools, shall have tensile strength of 110 to 150 ksi (758 to 1034 MPa), determined in accordance with

ASTM E8/E8M.

3.5.2 Weldability

Melted wire shall flow smoothly and evenly during welding and shall produce acceptable welds. ARP1876 may be used to

resolve disputes.

3.5.3 Spooled Wire

Spooled wire shall conform to 3.5.3.1, 3.5.3. 2, and 3.5.3.3.

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摘要：

本规范文档《SAE AMS 5782J-2024》是美国汽车工程师学会（SAE）发布的航空航天材料规范（AMS）最新修订版，主要适用于耐腐蚀及耐热钢棒、线材、锻件和管材，具体涵盖UNS S44600等特定牌号的铁素体不锈钢。该标准在2024年版本中对化学成分、热处理工艺、力学性能及验收要求进行了更新与优化，旨在进一步提升材料在高温、腐蚀性环境下的可靠性与稳定性，广泛用于航空发动机、排气系统及高温紧固件等关键部件。对于从事航空航天、军工及高端装备制造的设计、采购与质量管理人员而言，掌握该标准的最新

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