GB/T 3879-1983
Replaced
GB/T 42515-2023
Active
National standards
GB/T 42515-2023 Metallic powders—Determination of acid-insoluble content in iron,copper,tin and bronze powders
GB/T 42515-2023 Metallic powders—Determination of acid-insoluble content in iron,copper,tin and bronze powders
Basic Information
Standard Code:
GB/T 42515-2023
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Analytical methods for powder metallurgy
ICS Name:
Powder metallurgy
Publish Date:
2023-05-23
Implement Date:
2023-12-01
Pages:
6 pages
Scope
This document describes the method for determining the content of non-metallic materials that are insoluble in ordinary mineral acids in iron, copper, tin, and bronze metal powders.
This document is suitable for the determination of insoluble silica and silicates, carbides, alumina, clay, or other refractory oxides introduced as raw materials or during the production process.
Development Information
Adopt standards
ISO 4496:2017
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