GB/T 3879-1983
Replaced
GB/T 31909-2015
Active
National standards
GB/T 31909-2015 Permeable sintered metal materials—Determination of the air permeability
GB/T 31909-2015 Permeable sintered metal materials—Determination of the air permeability
Basic Information
Standard Code:
GB/T 31909-2015
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Analytical methods for powder metallurgy
ICS Name:
Powder metallurgy
Publish Date:
2015-09-11
Implement Date:
2016-06-01
Pages:
6 pages
Scope
This standard specifies the method for determining the air permeability of permeable sintered metal materials.
This standard is applicable to the determination of the air permeability of tubular or flat permeable sintered metal materials.
Development Information
Referenced Standards
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