GBT 231.2
GBT 231.2, Total:3 items.
The international standard classification for "GBT 231.2" includes: Mechanical testing .
The Chinese standard classification for "GBT 231.2" includes: Metal material testing machine .
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 231.2-2012 Metallic materials - Brinell hardness test - Part 2: Verification and calibration of testing machines
- GB/T 231.2-2002 Metallic Brinell hardness test - Part 2: Verification and calibration of hardness testers
- GB/T 231.2-2022 Metallic materials—Brinell hardness test—Part 2: Verification and calibration of testing machines
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