Principle of hardness
Principle of hardness, Total:9 items.
The international standard classification for "Principle of hardness" includes: Cereals, pulses and derived products , Mechanical testing , Heat treatment and coating , Footwear .
The Chinese standard classification for "Principle of hardness" includes: Heat treatment , Cereal crop and forage crop in general , Metal material testing machine , Clothing, footgear and headwear in general , Mechanics Measurement .
Professional Standard - Machinery
- JB/T 6050-2006 Generalization of hardness test for heat treated iron and steel parts
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 17394.3-2022 Metallic materials—Leeb hardness test—Part 3: Calibration of reference test blocks
- GB/T 3903.4-1994 General test method for footwear－Test method of hardness
- GB/T 21304-2007 Determination of wheat hardness—Hardness index method
- GB/T 38751-2020 General rules of hardness test for heat treated parts
National Metrological Technical Specifications of the People's Republic of China
- JJF 1253-1990 O.T.N. of the Primary Standard for International Rubber Hardness Degree
Professional Standard-Ships
- CB/T 3770-1996 Vickers hardness test method for ship welded joints
British Standards Institution (BSI)
- BS 891:1940 Direct reading hardness test (rockwell principle)
Standard Association of Australia （SAA）
- AS B84:1941 Direct reading hardness testing (Rockwell principle)
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