SAE AMS 5887E-2021

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For more information on this standard, visit

https://www.sae.org/standards/content/AMS5887E/

AEROSPACE

MATERIAL SPECIFICATION

AMS5887™

REV. E

Issued 1990-01

Reaffirmed 2006-04

Revised 2021-10

Superseding AMS5887D

Nickel Alloy, Corrosion and Heat-Resistant,

Bars, Forgings, Rings, and Forging or Ring Stock

54Ni - 22Cr - 12.5Co - 9.0Mo - 1.2Al

Consumable Electrode or Vacuum Induction Melted

Annealed

(Composition similar to UNS N06617)

RATIONALE

AMS5887E is the result of a Five-Year Review and update of the specification. The revision updates the title to match the

scope, prohibits unauthorized exceptions (3.4.1.1.4, 3.7, 4.4.2, 5.2.1.1, 8.4, 8.6), provides strain rate for tensile testing

(3.4.1.1.1), and permits prior revisions (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 under

4 inches (102 mm) in least cross-sectional dimension, and stock of any size for forging or flash welded rings (see 8.4).

1.2 Application

These products have been used typically for parts requiring high strength and resistance to oxidation and corrosion up to

2200 °F (1204 °C) and 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.

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

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

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SAE INTERNATIONAL AMS5887™E Page 2 of 7

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

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 E21 Elevated Temperature Tension Tests of Metallic Materials

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

ASTM E354 Chemical Analysis of High-Temperature, Electrical, Magnetic, and Other Similar Iron, Nickel, and Cobalt

Alloys

3. TECHNICAL REQUIREMENTS

3.1 Composition

Shall conform to the percentages by weight shown in Table 1, determined in accordance with ASTM E354, or by other

analytical methods acceptable to purchaser.

Table 1 - Composition

Element

Min

Max

Carbon

Manganese

Silicon

Phosphorus

Sulfur

Chromium

Cobalt

Molybdenum

Aluminum

Titanium

Boron

Iron

Copper

Nickel

0.05

20.00

10.00

8.00

0.80

remainder

0.15

0.50

0.015

24.00

15.00

10.00

1.50

0.60

0.006

3.00

0.50

3.1.1 Check Analysis

Composition variations shall meet the applicable requirements of AMS2269.

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SAE INTERNATIONAL AMS5887™E Page 3 of 7

3.2 Melting Practice

Alloy shall be multiple melted using consumable electrode practice in the remelt cycle or shall be induction melted under

vacuum. If consumable electrode remelting is not performed in vacuum, electrodes which have been produced by vacuum

induction melting shall be used for remelting.

3.3 Condition

The product shall be supplied in the following condition:

3.3.1 Bars

3.3.1.1 Hot finished or cold finished, then annealed; round bars shall be ground or turned.

3.3.1.2 Bar shall not be cut from plate (also see 4.4.1).

3.3.2 Forgings and Flash Welded Rings

Annealed and descaled.

3.3.2.1 Flash welded rings shall not be supplied unless specified or permitted on purchaser's part drawing. When

supplied, rings shall be manufactured in accordance with AMS7490.

3.3.3 Stock for Forging or Flash Welded Rings

As ordered by the forging or flash welded ring manufacturer.

3.3.4 Heat Treatment

Bars, forgings, and flash welded rings shall be annealed by heating within the range 2075 to 2200 °F (1135 to 1204 °C),

holding at the selected temperature within ±25 °F (±14 °C) for a time commensurate with cross-sectional thickness, and

cooling at a rate equivalent to an air cool or faster.

3.4 Properties

The product shall conform to the following requirements:

3.4.1 Bars, Forgings, and Flash Welded Rings

3.4.1.1 Tensile Properties

Shall be as follows for product under 4 inches (102 mm) in least cross-sectional dimension, determined in accordance with

ASTM E8/E8M:

3.4.1.1.1 Unless otherwise specified, the strain rate shall be set at 0.005 inch/inch/min (0.005 mm/mm/min) and

maintained within a tolerance of ±0.002 in/in/min (0.002 mm/mm/min) through 0.2% offset yield strain. The

strain rate after yield may be increased to any value up to 0.5 in/in/min (or 0.5 mm/mm/min) or equivalent

crosshead speed as a function of gage length.

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摘要：

SAE AMS 5887E-2021 是汽车工程师学会（SAE）发布的最新版航空航天材料规范，专门针对一种耐热、耐腐蚀的钼基马氏体不锈钢（常见牌号如 Greek Ascoloy 或 AMS 5616 改进型）的棒材、线材、锻件及环形件等产品形式。该标准规定了材料的化学成分、热处理工艺、力学性能（包括室温及高温拉伸性能）、晶粒度以及无损检测要求，适用于在中等高温环境下（如航空发动机压气机部件）需要良好抗氧化性和高强度的零部件制造。相较于前一版本，修订内容可能涉及淬火与回火工艺参数的细化、可追溯性管

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