SAE AMS 5614F-2019

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AEROSPACE

MATERIAL SPECIFICATION

AMS5614™

REV. F

Issued 1952-06

Reaffirmed 2013-08

Revised 2019-01

Superseding AMS5614E

Steel, Corrosion and Heat Resistant, Bars, Wire, and Forgings

12Cr - 0.50Mo

Annealed

(Composition similar to UNS S41025)

RATIONALE

AMS5614F prohibits unauthorized exceptions (3.6), revises composition to update applicable analysis standards (3.1),

condition (3.2.1.4), properties (3.3.2.2), reports (4.4), and identification (5.2.1.1), and is a Five-Year Review and update of

this specification.

1. SCOPE

1.1 Form

This specification covers a corrosion and heat resistant steel in the form of bars, wire, and forgings 7.0 inches (178 mm)

and under in nominal diameter or least distance between parallel sides, and forging stock of any size (see 8.6).

1.2 Application

These products have been used typically for parts, such as compressor blades and vanes, requiring oxidation resistance

up to 1000 °F (538 °C), useful at the higher temperatures only when stresses are low, 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.

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SAE INTERNATIONAL AMS5614™F Page 2 of 7

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

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

ARP1917 Clarification of 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 A370 Mechanical Testing of Steel Products

ASTM A751 Test Methods, Practices, and Terminology for 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

ASTM E381 Macroetch Testing Steel Bars, Billets, Blooms, and Forgings

3. TECHNICAL REQUIREMENTS

3.1 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 purchaser.

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SAE INTERNATIONAL AMS5614™F Page 3 of 7

Table 1 - Composition

Element

Min

Max

Carbon

Manganese

Silicon

Phosphorus

Sulfur

Chromium

Molybdenum

Nickel

Copper

Aluminum

Tin

Nitrogen

0.07

0.30

11.50

0.40

0.12

0.60

0.35

0.040

0.030

12.50

0.60

0.50

0.05

0.08

3.1.1 Check Analysis

Composition variations shall meet the applicable requirements of AMS2248.

3.2 Condition

The product shall be supplied in the following condition; hardness and tensile strength shall be determined in accordance

with ASTM A370:

3.2.1 Bars

Hot rolled, annealed, and either descaled or ground, having hardness not higher than 223 HB, or equivalent (see 8.2).

3.2.1.1 Bars shall not be cut from plate (also see 4.4.1).

3.2.2 Wire

Cold drawn and annealed having tensile strength not higher than 115 ksi (793 MPa), or equivalent hardness (see 8.3).

3.2.3 Forgings

As ordered.

3.2.4 Forging Stock

As ordered by the forging manufacturer.

3.3 Properties

The product shall conform to the following requirements; tensile and hardness testing shall be performed in accordance

with ASTM A370:

3.3.1 Macrostructure

Visual examination of transverse full cross sections from bars, wire, billets, and forging stock, etched in hot hydrochloric

acid in accordance with ASTM E381 shall show no pipe or cracks. Porosity, segregation, inclusions, and other imperfections

shall be no worse than the macrographs of ASTM E381 acceptable to purchaser.

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摘要：

SAE AMS 5614F-2019 是一项由美国汽车工程师学会（SAE）发布的最新版航空航天材料规范，主要针对耐腐蚀钢棒材、线材、锻件和管材的技术要求，适用于 13Cr-8Ni-2Mo 型马氏体不锈钢。该标准规定了材料的化学成分、力学性能、热处理工艺及检验方法，旨在确保材料在高温、高压以及腐蚀性环境下的可靠性能。相比旧版本，2019 年更新进一步优化了工艺控制与验收标准，提升了材料在航空发动机、结构件及液压系统等关键应用中的稳定性和安全性。本文件是航天制造、金属材料检测及供应链管理中不可或缺的

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