HB 5441.9-1989
Performance testing of powder metallurgy products and powders Determination of apparent hardness of sintered metal materials (except cemented carbide) (English Version)

Standard No.

HB 5441.9-1989

Language

Chinese, Available in English version

Release Date

1990

Published By

Professional Standard - Aviation

Latest

HB 5441.9-1989

Scope

This standard is applicable to the determination of the hardness of sintered metal materials other than cemented carbide, including materials that have not been heat treated and materials that have been heat treated but whose hardness value is basically uniform from the surface to a depth of 5 mm at least.

HB 5441.9-1989 history

• 1990 HB 5441.9-1989 Performance testing of powder metallurgy products and powders Determination of apparent hardness of sintered metal materials (except cemented carbide)