SAE AMS 5711G-2025 镍合金耐腐蚀和耐热钢棒锻件和环65Ni - 15.8Cr - 15.2Mo - 0.30Al - 0.05La溶液热处理 (UNS N06635)

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For more information on this standard, visit

https://www.sae.org/standards/content/AMS5711G/

AEROSPACE

MATERIAL SPECIFICATION

AMS5711™

REV. G

Issued 1973-12

Reaffirmed 2007-08

Revised 2025-12

Superseding AMS5711F

Nickel Alloy, Corrosion- and Heat-Resistant, Bars, Forgings, Rings and Stock for

Forging, Rings and Heading,

65Ni - 15.8Cr - 15.2Mo - 0.30Al - 0.05La (HASTELLOY® S),

Consumable Electrode Remelted, Solution Heat Treated

(Composition similar to UNS N06635)

RATIONALE

AMS5711G is the result of a Five-Year Review and update of the specification. The revision updates the Title to match the

scope and adds the trade name for information (see 8.6), revises composition testing and reporting (see 3.1 and 3.1.1),

addresses strain rate (see 3.5.1.1.1), adds stock for forgings, rings, and heading and sampling (see 3.5.2, 3.5.3, and 4.2.2),

clarifies bar from plate requirements (see 4.4.5), and updates the exceptions requirements (see 8.5).

1. SCOPE

1.1 Form

This specification covers a corrosion- and heat-resistant nickel alloy in the form of bars, forgings, flash-welded rings, and

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

1.2 Application

These products have been used typically for parts, such as turbine rotors and seals, flanges, and fasteners, requiring

relatively high strength up to 1800 °F (982 °C) and oxidation resistance up to 2000 °F (1093 °C), 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.

SAE INTERNATIONAL AMS5711™G Page 2 of 8

2.1 SAE Publications

Available from SAE International, 400 Commonwealth Drive, Warrendale, PA 15096-0001, Tel: 877-606-7323 (U.S. and

Canada only) or +1 724-776-4970 (outside U.S. and Canada), www.sae.org.

AMS2261 Tolerances, Nickel, Nickel Alloy, and Cobalt Alloy Bars, Rods, and Wire

AMS2269 Chemical Check Analysis Limits, Nickel, Nickel Alloys, and Cobalt Alloys

AMS2283 Composition Testing Methods for Nickel- and Cobalt-Based 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

AMS2750 Pyrometry

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

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 E8/E8M Tension Testing of Metallic Materials

ASTM E10 Brinell Hardness of Metallic Materials

ASTM E112 Determining Average Grain Size

ASTM E139 Conducting Creep, Creep-Rupture, and Stress-Rupture Tests of Metallic Materials

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 AMS2283 or by

other analytical methods acceptable to the purchaser.

SAE INTERNATIONAL AMS5711™G Page 3 of 8

Table 1 - Composition

Element

Min

Max

Carbon

0.02

Manganese

0.30

1.00

Silicon

0.20

0.75

Phosphorus

0.020

Sulfur

0.015

Chromium

14.50

17.00

Molybdenum

14.00

16.50

Aluminum

0.10

0.50

Lanthanum

0.01

0.10

Cobalt

2.00

Tungsten

1.00

Boron

0.015

Iron

3.00

Copper

0.35

Nickel

remainder

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 AMS2269.

3.2 Melting Practice

Alloy shall be multiple melted using consumable electrode practice in the remelt cycle.

3.3 Condition

The product shall be supplied in the following condition:

3.3.1 Bars, Forgings, and Flash-Welded Rings

Bars, forgings, and flash-welded rings shall be solution heat treated and descaled.

3.3.1.1 Bars shall be hot finished. Bars, other than hexagons, over 2.75 inches (69.8 mm) in nominal diameter or least

distance between parallel sides shall be hot finished or cold finished. Round bars shall be ground or turned.

3.3.1.2 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.

3.3.1.3 Bar shall not be cut from plate (see 4.4.5).

3.3.2 Stock for Forging, Flash-Welded Rings, or Heading

Stock for forging, flash-welded rings, or heading shall be as ordered by the forging, flash-welded ring, or heading

manufacturer.

3.4 Solution Heat Treatment

Bars, forgings, and flash-welded rings shall be solution heat treated by heating to 1950 °F ± 25 °F (1066 °C ± 14 °C), holding

at heat for a time commensurate with section thickness, and cooling at a rate equivalent to an air cool or faster. Pyrometry

shall be in accordance with AMS2750.

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标签： #腐蚀 #钢 #合金

摘要：

SAE AMS 5711G-2025 是一项针对高性能镍合金材料的最新规范，适用于耐腐蚀和耐热钢领域的棒材、锻件及环形件。该材料以65Ni - 15.8Cr - 15.2Mo - 0.30Al - 0.05La的精确成分为基础，对应UNS N06635牌号，通过溶液热处理工艺优化其微观组织与综合性能。此合金在高温氧化、硫化及多种腐蚀介质中展现出优异的稳定性，尤其适用于航空航天发动机零部件、工业燃气轮机、化工高压设备及海洋工程等严苛环境。其较高的钼含量赋予出色的抗点蚀和缝隙腐蚀能力，而稀土元素镧的

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SAE AMS 5711G-2025 镍合金耐腐蚀和耐热钢棒锻件和环65Ni - 15.8Cr - 15.2Mo - 0.30Al - 0.05La溶液热处理 (UNS N06635)

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