GB/T 3879-1983
Replaced
GB/T 40389-2021
Active
National standards
GB/T 40389-2021 Sintered metal materials,excluding hardmetals—Measurement of surface roughness
GB/T 40389-2021 Sintered metal materials,excluding hardmetals—Measurement of surface roughness
Basic Information
Standard Code:
GB/T 40389-2021
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Powder metallurgy
ICS Name:
Powder metallurgy
Publish Date:
2021-08-20
Implement Date:
2022-03-01
Pages:
6 pages
Scope
This document specifies the method for measuring the surface roughness of sintered metal materials, and at the same time, establishes the principle of reasonable use of measurement parameters.
Development Information
Referenced Standards
ISO 4287
ISO 13565-1
ISO 13565-2
ISO 13565-3
Adopt standards
ISO 23519:2010
Related Standards
GB/T 4309-1984
Replaced
GB/T 4309-1984 Classification and designation for powder metallurgy materials
GB/T 5124.1-1985
Replaced
GB/T 5124.1-1985 Methods for chemical analysis of hardmetals—The gravimetric method for the determination of total carbon content
GB/T 5124.2-1985
Replaced
GB/T 5124.2-1985 Methods for chemical analysis of hardmetals—The gravimetric method for the determination of free(insoluble) carbon content
GB/T 5124.3-1985
Replaced
GB/T 5124.3-1985 Methods for chemical analysis of hardmetals—The potentiometric method for the determination of cobalt content
GB/T 5124.4-1985
Replaced