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Standard

Tungsten Forgings, Pressed, Sintered, and Forged

1966-09-01
HISTORICAL
AMS7897
This specification covers tungsten in the form of forgings produced from billets processed by isostatically cold pressing, utilizing hydrogen reduced tungsten powder, and high-temperature sintering.
Standard

Tungsten Forgings, Pressed, Sintered, and Forged

1994-03-01
HISTORICAL
AMS7897B
This specification covers tungsten in theh form of forgings produced from billets processed by isostatically cold pressing, utilizing hydrogen reduced tungsten powder, and high-temperature sintering.
Standard

Tungsten Forgings, Pressed, Sintered, and Forged

2002-07-25
CURRENT
AMS7897C
This specification covers tungsten in the form of forgings produced from billets processed by isostatically cold pressing, utilizing hydrogen reduced tungsten powder, and high-temperature sintering.
Standard

Tungsten Base Metal, High Density

1998-09-01
HISTORICAL
AMST21014
This specification covers the requirements for four classes of machinable, high density tungsten base metal produced by consolidation of metal powder mixtures whose composition is mainly tungsten. This material may be used for uncoated parts or parts that may be coated with other materials for protection against corrosion and abrasion such as, electrodeposited and vacuum deposited cadmium and electrodeposited chromium. Detailed requirements for coatings should be covered in the applicable part drawing, when required.
Standard

Tungsten Base Metal, High Density

2008-03-26
CURRENT
AMST21014A
This specification covers the requirements for four classes of machinable, high density tungsten base metal produced by consolidation of metal powder mixtures whose composition is mainly tungsten. This material may be used for uncoated parts or parts that may be coated with other materials for protection against corrosion and abrasion such as, electrodeposited and vacuum deposited cadmium and electrodeposited chromium. Detailed requirements for coatings should be covered in the applicable part drawing, when required.
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