GB/T 12778-1991 Replaced National standards

GB/T 12778-1991 Metallic materials—Determination of Charpy impact fracture surface

GB/T 12778-1991 Metallic materials—Determination of Charpy impact fracture surface

Publish Date: 1991-05-11 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: GB/T 12778-1991
Standard Type: National standards
Standard Status: Replaced
is_force_gb: no
CCS Name: \n Test methods for the mechanical properties of metals
ICS Name: Mechanical testing of metal materials
Publish Date: 1991-05-11
Implement Date: 1992-01-01
Publisher: The National Technical Supervision Bureau
Pages: 12 pages

Development Information

Drafting Units:

The Luoyang Ship Materials Research Institute of China Shipbuilding Industry Corporation, Jiangnan Shipyard and Dalian Shipyard

Drafting Persons:

Bi Chuantang, Xi Fangfei, and Hua He

Word Count: 13 Thousand words Pages: 12 pages

Superseded by the following standards

Referenced Standards

Adopt standards

ASTM E23-88

Related Standards

Contact Us