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Cutting Standard Technical review AMS E Carbon and Low Alloy Steels Committee

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Standard

AIRCRAFT QUALITY STEEL CLEANLINESS Magnetic Particle Inspection Procedure
1978-07-01
HISTORICAL
AMS2301F
This specification covers steel cleanliness requirements for aircraft-quality ferromagnetic steels, other than hardenable corrosion-resistant steels, by magnetic particle inspection methods. Applicable primarily to blooms, billets, tube rounds, stock for forging or flash welded rings, slabs, bars, sheet, strip, plate, tubing, and extrusions used in fabricating parts subject to magnetic particle inspection, but may be used for qualification of a heat, melt, or lot of steel.
Standard

AIRCRAFT QUALITY STEEL CLEANLINESS Magnetic Particle Inspection Procedure
1974-12-01
HISTORICAL
AMS2301E
This specification covers steel cleanliness requirements for aircraft-quality ferromagnetic steels, other than hardenable corrosion-resistant steels, by magnetic particle inspection methods. Applicable primarily to blooms, billets, extrusions, tube rounds, heavy wall tubing, stock for forging and rings, tubing, bars, slab, and plate used in fabricating parts subject to magnetic particle inspection, but may be used for qualification of a heat, melt, or lot of steel.
Standard

CHORD METHOD OF EVALUATING SURFACE MICROSTRUCTURAL CHARACTERISTICS
1984-10-01
HISTORICAL
ARP1820
This practice provides a method of evaluating microhardness and microstructure very close to the surface. It is useful for process control in heat treatment of steel parts to detect nitriding and carburization as well as decarburization and excessive intergranular oxidation. It also may be valuable for other evaluations, e.g., plated coatings and other materials.
Standard

Chord Method of Evaluating Surface Microstructural Characteristics
2012-04-05
HISTORICAL
ARP1820B
This practice provides a method of evaluating microhardness and microstructure very close to the surface of a disk specimen. It is useful for process control in heat treatment of steel parts to detect nitriding and carburization as well as decarburization and excessive intergranular oxidation. It also may be valuable for other evaluations, e.g., plated coatings and other materials.
Standard

Chord Method of Evaluating Surface Microstructural Characteristics
2002-12-20
HISTORICAL
ARP1820A
This practice provides a method of evaluating microhardness and microstructure very close to the surface of a disk specimen. It is useful for process control in heat treatment of steel parts to detect nitriding and carburization as well as decarburization and excessive intergranular oxidation. It also may be valuable for other evaluations, e.g., plated coatings and other materials.
Standard

Chord Method of Evaluating Surface Microstructural Characteristics
2021-05-19
CURRENT
ARP1820C
This practice provides a method for evaluating microhardness and microstructure very close (0.002 inch (0.051 mm) or less) to the surface of a disk specimen. Specific accept/reject criteria for partial decarburization (3.7.1), inadvertent carburization/nitriding (3.7.3), total decarburization/intergranular oxidation (3.8), and other characteristics evaluated are to be found in the applicable specification where this ARP is referenced.
Standard

Control of Forgings Requiring First Article Approval
2017-07-10
HISTORICAL
AMS2375E
This specification covers procedures for obtaining first-article (preproduction) approval of forgings and the controls to be exercised in producing subsequent production forgings.
Standard

Control of Forgings Requiring First Article Approval
2022-09-23
CURRENT
AMS2375F
This specification covers procedures for obtaining first-article (preproduction) approval of forgings and the controls to be exercised in producing subsequent production forgings.
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

PREMIUM AIRCRAFT-QUALITY STEEL CLEANLINESS Magnetic Particle Inspection Procedure
1973-05-01
HISTORICAL
AMS2300B
This specification covers sampling and testing procedures to determine conformance of premium aircraft-quality ferromagnetic steels to cleanliness requirements of material specifications in which this specification is referenced. Applicable primarily to blooms, billets, extrusions, tube rounds, stock for forgings and rings, bars, and heavy wall tubing used in the fabrication of highly stressed parts and assemblies where very rigid magnetic particle standards are used in the final inspection of such parts.
Standard

PREMIUM AIRCRAFT-QUALITY STEEL CLEANLINESS Magnetic Particle Inspection Procedure
1980-01-01
HISTORICAL
AMS2300C
This specification covers steel cleanliness requirements for premium aircraft-quality ferromagnetic steels by magnetic particle inspection methods. Applicable primarily to blooms, billets, tube rounds, stock for forging or flash welded rings, slabs, bars, plate, tubing, and extrusions used in fabricating highly-stressed parts where very rigid magnetic particle inspection standards are used in final inspection of such parts.
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