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Standard

Gas Nitriding and Heat Treatment of Low-Alloy Steel Parts

2014-04-23
HISTORICAL
AMS2759/6B
This document specifies the procedure and requirements for heat treating low-alloy and tool steels and for their subsequent gas nitriding by the use of raw or dissociated ammonia. Specific process parameters are given for Nitralloy 135M, Nitralloy EZ, Nitralloy N, 4140, 4340, D6AC and H11 steels. Additional alloys and steel families (e.g., stainless steels) can also be nitrided using parameters acceptable to the cognizant engineering organization.
Standard

Gas Nitriding and Heat Treatment of Low-Alloy Steel Parts

2002-03-14
HISTORICAL
AMS2759/6A
This document specifies the procedure and requirements for heat treating low-alloy and tool steels and for their subsequent gas nitriding by the use of raw or dissociated ammonia. Specific process parameters are given for Nitralloy 135M, Nitralloy EZ, Nitralloy N, 4140, 4340, D6AC and H11 steels. Additional alloys and steel families (e.g., stainless steels) can also be nitrided using parameters acceptable to the cognizant engineering organization.
Standard

Welding, Resistance: Spot and Seam

1999-07-01
HISTORICAL
AMSW6858
This specification covers requirements for resistance spot and seam welding of the following metals and their alloys. Group 1 - Aluminum and magnesium Group 2 - Iron, nickel, and cobalt Group 3 - Titanium
Standard

Forgings, Steel For Aircraft/Aerospace Equipment

2019-12-02
CURRENT
AMS6400A
This specification establishes requirements for steel forgings of any shape or form from which finished parts are to be made (See 8.2, 8.3, & 8.4). This specification covers steel forgings suitable for use in the construction of aircraft/aerospace equipment
Standard

Low Stress Grinding of Steel Parts Heat Treated to 180 ksi or Over, and Low Stress Grinding of Chrome Plating Applied to Steel Parts Heat Treated to 180 ksi or Over

2022-09-08
CURRENT
AMS2453A
The purpose of this specification is to establish requirements of a grinding method and to provide grinding parameters that will eliminate or minimize overheating, cracking, high residual tensile stresses, and/or other metallurgical changes that decrease structural integrity of steel parts or chrome plated steel parts (see 8.3). This standard establishes requirements for low stress grinding of martensitic high strength steel heat-treated to 180 ksi (1241 MPa) minimum ultimate tensile strength (UTS) and above, and requirements for low stress grinding of chromium plating applied to such high strength steel.
Standard

Low Stress Grinding of Steel Parts Heat Treated to 180 ksi or Over, and Low Stress Grinding of Chrome Plating Applied to Steel Parts Heat Treated to 180 ksi or Over

2020-09-21
HISTORICAL
AMS2453
The purpose of this specification is to establish requirements of a grinding method and to provide grinding parameters that will eliminate or minimize overheating, cracking, high residual tensile stresses, and/or other metallurgical changes that decrease structural integrity of steel parts or chrome plated steel parts (See 8.2). This standard establishes requirements for low stress grinding of martensitic high strength steel heat-treated to 180 ksi (1241 MPa) minimum ultimate tensile strength (UTS) and above, and requirements for low stress grinding of chromium plating applied to such high strength steel.
Standard

Forgings, Steel For Aircraft/Aerospace Equipment

2018-09-21
HISTORICAL
AMS6400
This specification establishes requirements for steel forgings of any shape or form from which finished parts are to be made (See 8.2, 8.3, & 8.4). This specification covers steel forgings suitable for use in the construction of aircraft/aerospace equipment
Standard

Heat Treatment of Carbon and Low-Alloy Steel Parts Minimum Tensile Strength Below 220 ksi (1517 MPa)

2021-08-03
CURRENT
AMS2759/1J
This specification, in conjunction with the general requirements for steel heat treatment covered in AMS2759, establishes the requirements for heat treatment of carbon and low-alloy steel parts to minimum ultimate tensile strengths below 220 ksi (1517 MPa). Parts are defined in AMS2759. Due to limited hardenability in these materials, there are size limits in this specification.
Standard

Heat Treatment of Carbon and Low-Alloy Steel Parts Minimum Tensile Strength Below 220 ksi (1517 MPa)

2019-06-17
HISTORICAL
AMS2759/1G
This specification, in conjunction with the general requirements for steel heat treatment covered in AMS2759, establishes the requirements for heat treatment of carbon and low-alloy steel parts to minimum ultimate tensile strengths below 220 ksi (1517 MPa). Parts are defined in AMS2759. Due to limited hardenability in these materials, there are size limits in this specification.
Standard

Steel Cleanliness, Premium Aircraft-Quality Magnetic Particle Inspection Procedure

2015-05-21
HISTORICAL
AMS2300L
This specification covers steel cleanliness requirements in inch/pound units for premium aircraft-quality ferromagnetic steels, including hardenable, corrosion-resistant steels, by magnetic particle inspection methods. This specification contains sampling, sample preparation, inspection procedures and cleanliness rating criteria (See 8.2).
Standard

Steel Cleanliness, Premium Aircraft-Quality Magnetic Particle Inspection Procedure

2020-05-19
CURRENT
AMS2300M
This specification covers steel cleanliness requirements in inch/pound units for premium aircraft-quality ferromagnetic steels, including hardenable, corrosion-resistant steels, by magnetic particle inspection methods. This specification contains sampling, sample preparation, inspection procedures and cleanliness rating criteria (see 8.2).
Standard

Heat Treatment of Low-Alloy Steel Parts Minimum Tensile Strength 220 ksi (1517 MPa) and Higher

2018-08-08
HISTORICAL
AMS2759/2H
This specification, in conjunction with the general requirements for steel heat treatment covered in AMS2759, establishes the requirements for heat treatment of low-alloy steel parts to minimum ultimate tensile strengths of 220 ksi (1517 MPa) and higher. Parts are defined in AMS2759. The requirements for heat treatment of alloy Aermet100 are no longer part of this specification and can be found in AMS2759/3. Due to the limited hardenability of these materials, size limits have been added to this specification.
Standard

Heat Treatment of Low-Alloy Steel Parts Minimum Tensile Strength 220 ksi (1517 MPa) and Higher

2019-07-15
HISTORICAL
AMS2759/2J
This specification, in conjunction with the general requirements for steel heat treatment covered in AMS2759, establishes the requirements for heat treatment of low-alloy steel parts to minimum ultimate tensile strengths of 220 ksi (1517 MPa) and higher. Parts are defined in AMS2759. The requirements for heat treatment of alloy Aermet100 are no longer part of this specification and can be found in AMS2759/3. Due to the limited hardenability of these materials, size limits have been added to this specification.
Standard

Heat Treatment of Low-Alloy Steel Parts Minimum Tensile Strength 220 ksi (1517 MPa) and Higher

2021-07-07
CURRENT
AMS2759/2K
This specification, in conjunction with the general requirements for steel heat treatment covered in AMS2759, establishes the requirements for heat treatment of low-alloy steel parts to minimum ultimate tensile strengths of 220 ksi (1517 MPa) and higher. Parts are defined in AMS2759. The requirements for heat treatment of alloy Aermet100 are no longer part of this specification and can be found in AMS2759/3. Due to the limited hardenability of these materials, size limits have been added to this specification.
Standard

Heat Treatment of Low-Alloy Steel Parts Minimum Tensile Strength 220 ksi (1517 MPa) and Higher

2018-04-28
HISTORICAL
AMS2759/2G
This specification, in conjunction with the general requirements for steel heat treatment covered in AMS2759, establishes the requirements for heat treatment of low-alloy steel parts to minimum ultimate tensile strengths of 220 ksi (1517 MPa) and higher. Parts are defined in AMS2759. The requirements for heat treatment of alloy Aermet100 are no longer part of this specification and can be found in AMS2759/3. Due to the limited hardenability of these materials, size limits have been added to this specification.
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