Browse Standards J439_197702
Historical REVISED 1977-02-01

SINTERED CARBIDE TOOLS J439_197702

This recommended practice covers methods for measuring or evaluating five properties or characteristics of sintered carbide which contribute significantly to the performance of sintered carbide tools. These properties are: hardness, specific gravity, apparent porosity, structure, and grain size. They are covered under separate headings below.
J439_201801
2018-01-09
Latest
Stabilized
J439_197702
1977-02-01
Historical
Revised
J439A_197702
1977-02-01
Historical
Revised

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