GB/T 224-1987 Replaced National standards

GB/T 224-1987 Determination of depth of decarburization of steel

Publish Date: 1987-11-14 Implement Date: 1989-01-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 224-1987

Standard Type: National standards

Standard Status: Replaced

is_force_gb: no

CCS Name: Metallographic examination methods

ICS Name: Chemical analysis of metal materials

Publish Date: 1987-11-14

Implement Date: 1989-01-01

Publisher: National Standards Bureau

Pages: 4 pages

Development Information

Drafting Units:

The General Research Institute of Metallurgy Industry, the Ministry of Metallurgy Industry, and Fushun Steel Plant

Drafting Persons:

Lin Shuxiang, Sun Zhongli, Wu Keqiu, and Lai Delong

Word Count: 6 Thousand words Pages: 4 pages

Replace the following standards

GB 224-1978

Superseded by the following standards

GB/T 224-2008 Determination of depth of decarburization of steels

Related Standards

GB/T 2596-1981 Abolished

GB/T 2596-1981 Tungsten powder and tungsten carbide powder—Determination of specific surface product (average grainine- ss—Simplified nitrogen absorption method

Publish Date: 1981-06-07

GB/T 3249-1982 Replaced

GB/T 3249-1982 Standard method for determination of particle size of powders of refractory metals and compounds—Fisher method

Publish Date: 1982-06-21

GB/T 3488-1983 Replaced

GB/T 3488-1983 Hardmetals—metallographic determination of microstructure

Publish Date: 1983-02-21

GB/T 3489-1983 Replaced

GB/T 3489-1983 Hardmetals—Metallographic determination of porosity and uncombined carbon

Publish Date: 1983-02-21

GB/T 3651-1983 Replaced

GB/T 3651-1983 Measuring method for thermal conductivity of metal at high temperature

Publish Date: 1983-05-02

GB/T 4059-1983 Replaced

GB/T 4059-1983 Polycrystalline silicon—Examination method—Zone-melting on phosphorus under controlled atmosphere

Publish Date: 1983-12-20