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Standard

Titanium Alloy, Bars, Forgings, and Rings 6al 4v Extra Low Interstitial (Eli) Duplex Annealed, Fracture Toughness

1993-04-01
HISTORICAL
AMS4931A
This specification covers a titanium alloy in the form of bars, forgings, flash welded rings, and stock for forging or flash welded rings. These products have been used typically for parts requiring a combination of high tensile strength up to 750 degrees F (399 degrees C) and high fracture toughness, but usage is not limited to such applications.
Standard

Titanium Alloy Bars, Forgings, and Rings 6al 4v Extra Low Interstitial (Eli) Duplex Annealed, Fracture Toughness

2002-12-13
HISTORICAL
AMS4931B
This specification covers a titanium alloy in the form of bars, forgings, flash welded rings, and stock for forging or flash welded rings. These products have been used typically for parts requiring a combination of high tensile strength up to 750 degrees F (399 degrees C) and high fracture toughness, but usage is not limited to such applications.
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.
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.
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