GB/T 18449.4-2022

Metallic materials—Knoop hardness test—Part 4: Tables of hardness values

STANDARD published on 9.3.2022

English, Chinese -
electronic design (pdf) (616.80 USD)

The information about the standard:

Designation standards: GB/T 18449.4-2022
Publication date standards: 9.3.2022
Country: Chinese technical standard
Category: Technical standards GB