GB/T 7997-1987 Replaced National standards

GB/T 7997-1987 Hardmetals—Vickers hardness test

Publish Date: 1987-06-26 Implement Date: 1988-03-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 7997-1987

Standard Type: National standards

Standard Status: Replaced

is_force_gb: no

CCS Name: \nTest methods for the performance of metal products

ICS Name: Mechanical testing of metal materials

Publish Date: 1987-06-26

Implement Date: 1988-03-01

Publisher: National Standards Bureau

Pages: 11 pages

Development Information

Drafting Units:

Zhuzhou Hard Alloy Factory

Drafting Persons:

Zhou Guangliang and Lin Daohui

Word Count: 20 Thousand words Pages: 11 pages

Superseded by the following standards

GB/T 7997-2014 Hardmetals—Vickers hardness test

Adopt standards

ISO 3878-1983

Related Standards

GB/T 1814-1979 Active

GB/T 1814-1979 Inspection method for steel work fractures

Publish Date: 1979-12-29

GB/T 2107-1980 Replaced

GB/T 2107-1980 Metal material—Twisting fatigue test

Publish Date: 1980-12-09

GB/T 3075-1982 Replaced

GB/T 3075-1982 Method of axial force controlled fatigue testing of metals

Publish Date: 1982-05-10

GB/T 3373-1982 Replaced

GB/T 3373-1982 Rims for tractors, agricultural and forestry machines

Publish Date: 1982-12-29

GB/T 3771-1983 Active

GB/T 3771-1983 Conversion of hardness and strength for copper alloys

Publish Date: 1983-06-22

GB/T 4105-1983 abolished_transferred

GB/T 4105-1983 Test method for sag of tungsten wire

Publish Date: 1983-12-27