GB/T 1814-1979
Active
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
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
Superseded by the following standards
Referenced Standards
GB 2106
GB 4159
GB/T 229-1994 Metallic materials—Charpy notch impact test
GB/T 229-2007 Metallic materials—Charpy pendulum impact test method
GB/T 229-2020 Metallic materials—Charpy pendulum impact test method
GB/T 8170-1987 Rules for rounding off of numberical values
GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values
Adopt standards
ASTM E23-88
Related Standards
GB/T 2107-1980
Replaced
GB/T 2107-1980 Metal material—Twisting fatigue test
GB/T 3075-1982
Replaced
GB/T 3075-1982 Method of axial force controlled fatigue testing of metals
GB/T 3373-1982
Replaced
GB/T 3373-1982 Rims for tractors, agricultural and forestry machines
GB/T 3771-1983
Active
GB/T 3771-1983 Conversion of hardness and strength for copper alloys
GB/T 4105-1983
abolished_transferred