GB/T 3879-1983
Replaced
GB/T 3488.4-2022
Active
National standards
GB/T 3488.4-2022 Hardmetals—Metallographic determination of microstructure—Part 4:Characterisation of porosity,carbon defects and eta-phase content
GB/T 3488.4-2022 Hardmetals—Metallographic determination of microstructure—Part 4:Characterisation of porosity,carbon defects and eta-phase content
Price:
$ 54
Basic Information
Standard Code:
GB/T 3488.4-2022
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Analytical methods for powder metallurgy
ICS Name:
Powder metallurgy
Publish Date:
2022-10-12
Implement Date:
2022-10-12
Pages:
11 pages
Scope
This document specifies the metallographic determination methods for porosity, non-compound carbon defects, and decarburized phases in hard alloys, including their presence, types, and distribution.
Development Information
Referenced Standards
Adopt standards
ISO 4499-4:2016
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