SAE AMS 5651L-2024

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史蒂文 2025-05-11 41 161.42KB 7 页 20星币

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AEROSPACE

MATERIAL SPECIFICATION

AMS5651™

REV. L

Issued 1948-05

Reaffirmed 2012-10

Revised 2024-10

Superseding AMS5651K

Steel, Corrosion- and Heat-Resistant, Bars, Wire, Forgings, Mechanical Tubing,

Rings, and Stock for Forging and Rings,

25Cr - 20Ni (310),

Solution Heat Treated

(Composition similar to UNS S31008)

RATIONALE

AMS5651L is the result of a Five-Year Review and update of the specification. The revision revises composition testing and

reporting (see 3.1 and 3.1.1), adds finish/quality requirements for bar and tubing (see 3.4.2 and 8.5), and updates the

exceptions requirements (see 4.4.4, 4.4.6, and 8.6).

1. SCOPE

1.1 Form

This specification covers a corrosion- and heat-resistant steel in the form of bars, wire, forgings, mechanical tubing,

flash-welded rings, and stock for forging or flash-welded rings.

1.2 Application

These products have been used typically for parts requiring oxidation resistance up to 2000 °F (1093 °C) and good corrosion

resistance, for parts that will be subjected to elevated temperatures during fabrication or in service, and especially where

such parts may require welding during fabrication, 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.

AMS2241 Tolerances, Corrosion- and Heat-Resistant Steel, Iron Alloy, Titanium, and Titanium Alloy Bars and Wire

AMS2243 Tolerances, Corrosion and Heat-Resistant Steel Tubing

SAE INTERNATIONAL AMS5651™L Page 2 of 7

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

AMS2374 Quality Assurance Sampling and Testing, Corrosion- and Heat-Resistant Steel and Alloy Forgings

AMS2806 Identification, Bars, Wire, Mechanical Tubing, and Extrusions, Carbon and Alloy Steels, and Corrosion and

Heat-Resistant Steels and Alloys

AMS2808 Identification, Forgings

AMS7490 Rings, Flash Welded, Corrosion and Heat-Resistant Austenitic Steels, Austenitic-Type Iron, Nickel or

Cobalt Alloys, or Precipitation-Hardenable Alloys

AS1182 Standard Stock Removal Allowance, Aircraft-Quality and Premium Aircraft-Quality Steel, Bars and

Mechanical Tubing

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 A262 Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels

ASTM A370 Mechanical Testing of Steel Products

ASTM A751 Chemical Analysis of Steel Products

ASTM E140 Hardness Conversion Tables for Metals Relationship Among Brinell Hardness, Vickers Hardness, Rockwell

Hardness, Superficial Hardness, Knoop Hardness, Scleroscope Hardness, and Leeb Hardness

2.3 Definitions

Terms used in AMS are defined in AS7766.

3. TECHNICAL REQUIREMENTS

3.1 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.

SAE INTERNATIONAL AMS5651™L Page 3 of 7

Table 1 - Composition

Element

Min

Max

Carbon

0.08

Manganese

2.00

Silicon

0.30

0.80

Phosphorus

0.040

Sulfur

0.030

Chromium

24.00

26.00

Nickel

19.00

22.00

Molybdenum

0.75

Copper

0.75

3.1.1 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.

3.1.2 Check Analysis

Composition variations shall meet the applicable requirements of AMS2248.

3.2 Condition

The product shall be supplied in the following condition:

3.2.1 Bars, wire, forgings, mechanical tubing, and flash-welded rings shall be solution heat treated.

3.2.1.1 Bars shall not be cut from plate (see 4.4.6).

3.2.1.2 Bars and Wire

3.2.1.2.1 All hexagons, regardless of size, other bars 2.75 inches (69.8 mm) and under in nominal diameter or least

distance between parallel sides, and wire shall be cold finished.

3.2.1.2.2 Bars over 2.75 inches (69.8 mm) in nominal diameter or least distance between parallel sides shall be hot

finished and descaled or cold finished.

3.2.1.3 Mechanical Tubing

Mechanical tubing shall be cold finished.

3.2.1.4 Flash-Welded Rings

Flash-welded rings shall not be supplied unless specified or permitted on the purchaser’s part drawing. When supplied,

rings shall be manufactured in accordance with AMS7490.

3.2.2 Stock for Forging or Flash-Welded Rings

Stock shall be as ordered by the forging or flash-welded ring manufacturer.

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摘要：

本文档详细介绍了 SAE AMS 5651L-2024 标准，该标准覆盖了耐腐蚀钢棒材、线材、锻件及管材的技术要求。作为航空航天材料规范（AMS）系列的最新修订版本，AMS 5651L 主要针对 15-5PH（马氏体沉淀硬化不锈钢）材料，规定了其化学成分、力学性能、热处理工艺及检验方法。该标准适用于航空航天、国防及高性能工业领域，确保材料在高温、高腐蚀环境下的可靠性和耐久性。通过遵循 SAE AMS 5651L-2024，制造商和工程师可以选用符合严格质量控制的材料，提升产品的安全性和长寿命表现

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