GB/T 3879-1983
Replaced
GB/T 38974-2020
Active
National standards
GB/T 38974-2020 Niobium and niobium alloy powder for additive manufacturing
GB/T 38974-2020 Niobium and niobium alloy powder for additive manufacturing
Basic Information
Standard Code:
GB/T 38974-2020
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Metal and alloy powders
ICS Name:
Powder metallurgy
Publish Date:
2020-07-21
Implement Date:
2021-06-01
Pages:
7 pages
Scope
This standard specifies the technical requirements, test methods, inspection rules, marking, packaging, transportation, storage, and quality certificates for niobium and niobium alloy powders used in additive manufacturing, as well as the content of purchase orders (or contracts).
This standard applies to niobium and niobium alloy powders prepared by processes such as plasma rotating electrode method, plasma atomization method, and plasma spheroidization method for additive manufacturing.
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