GB/T 3879-1983
Replaced
GB/T 5159-2025
Active
National standards
GB/T 5159-2025 Metallic powders,excluding powders for hardmetals—Determination of dimensional changes associated with compacting and sintering
GB/T 5159-2025 Metallic powders,excluding powders for hardmetals—Determination of dimensional changes associated with compacting and sintering
Basic Information
Standard Code:
GB/T 5159-2025
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Powder metallurgy
ICS Name:
Powder metallurgy
Publish Date:
2025-10-31
Implement Date:
2026-05-01
Pages:
16 pages
Scope
This document specifies the method for determining the dimensional changes associated with molding and sintering after sintering metal powders and reference powders under the same conditions (see Chapter 4).
This document is applicable to the determination of three dimensional changes in metal powders (excluding hard alloy powders) during the molding and sintering processes.
Development Information
Replace the following standards
Referenced Standards
ISO 2740
Adopt standards
ISO 4492:2017
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