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CHEMICAL CHECK ANALYSIS LIMITS Wrought Low-Alloy and Carbon Steels

1992-04-01
HISTORICAL
AMS2259B
This specification covers standard chemical check analysis limits as established by AMS or AISI usage. The chemical check analysis limits shown herein shall apply when this specification is referenced in the material specification. Check analysis limits for elements or for ranges of elements not listed herein shall be as agreed upon by purchaser and vendor.
Standard

CHEMICAL CHECK ANALYSIS LIMITS Wrought Low-Alloy and Carbon Steels

1974-12-15
HISTORICAL
AMS2259A
This specification covers standard chemical check analysis limits as established by AMS or AISI usage. The chemical check analysis limits shown herein shall apply when this specification is referenced in the material specification. Check analysis limits for elements or for ranges of elements not listed herein shall be as agreed upon by purchaser and vendor.
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.
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