ASTM B777-15(2020)

Podrobné informácie

Označenie: ASTM B777-15(2020)

Dátum vydania: 01.04.2020

Stránok: 3

Krajina: Americká technická norma

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Anotácia

This specification establishes the requirements for four classes of machinable, high-density tungsten base metal produced by consolidating metal powder mixtures, the composition of which is mainly tungsten. This material specification may be used for bare parts or for parts that may be coated with other materials for protection against corrosion and abrasion; intended for uses such as weights or counter-balances in static or dynamic balancing, high-speed rotating inertia members, radiation shielding, hypervelocity impact, and vibration-damping applications. The chemical; physical properties, such as microstructure and machinability; mechanical properties, such as tensile strength, yield strength, elongation, and hardness; and composition requirements, such as density; are detailed.


Keywords:
high-density metal, tungsten,, ICS Number Code 77.120.99 (Other non-ferrous metals and their alloys)