GB/T 3879-1983
Replaced
YS/T 1491-2021
Active
Industry standards-Non-ferrous metals
YS/T 1491-2021 The method for measuring the sphericity of nickel-based high-temperature alloy powders using scanning electron microscopy
YS/T 1491-2021 The method for measuring the sphericity of nickel-based high-temperature alloy powders using scanning electron microscopy
Price:
$ 30
Basic Information
Standard Code:
YS/T 1491-2021
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
\nTest methods for the physical properties of metals
ICS Name:
Powder metallurgy
Publish Date:
2021-12-02
Implement Date:
2022-04-01
Scope
This document is applicable to the determination of the sphericity of nickel-based high-temperature alloy powders with a particle size of not less than 10 μm. The determination of the sphericity of other metal and alloy powders can be referred to this document.
Development Information
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