YB 4002-1991 Replaced Industry standards-Black metallurgy

YB 4002-1991 Low-carbon steel ingot low-magnification microstructure defect rating chart for continuous casting steel billets

Publish Date: 1991-05-04 Implement Date: 1992-01-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: YB 4002-1991

Standard Type: Industry standards

Standard Status: Replaced

is_force_gb: no

CCS Name: -

ICS Name: -

Publish Date: 1991-05-04

Implement Date: 1992-01-01

Publisher: The Ministry of Metallurgy Industry of the People's Republic of China

Pages: 23 pages

Development Information

Drafting Units:

The General Research Institute of Metallurgy and Steel, Ministry of Metallurgy, and the Capital Iron and Steel Company

Drafting Persons:

Sun Wei, Gan Zhenqun, and Wang Wenying

Word Count: 40 Thousand words Pages: 23 pages

Referenced Standards

GB/T 226-1991 Etch test for macrostructure and defect of steels GB/T 226-2015 Test method for macrostructure and defect of steel by etching

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