Rockwell hardness
Rockwell hardness, Total:11 items.
The international standard classification for "Rockwell hardness" includes: Abrasives .
The Chinese standard classification for "Rockwell hardness" includes: Mechanics Measurement , Nonmetal material testing machine , Grinding material and apparatus .
National Metrological Verification Regulations of the People's Republic of China
- JJG 2067-1990 Measuring Instruments for Metallic Rockwell Hardness
- JJG 884-1994 Verification Regulation of Plastic Rock Well Hardness Testing Machine
- JJG 112-2013 Metallic Rockwell Hardness Testing Machines(Scales A,B,C,D,E,F,G,H,K,N,T)
- JJG 112-2003 Verification Regulation of Metallic Rockwell Hardness Testers(Scales A B C D E F G H K N T)
- JJG(机械) 6-1990 Verification Regulations for Rockwell Hardness Tester for Abrasive Tools
Professional Standard - Machinery
- JB/T 7409-2015 Plastics Rockwell hardness testing machines-Technical specification
- JB/T 7409-1994 Plastic Rockwell Apparatus - Technical Condition
- JB/T 5487-1991 Specifications for tooth surface Rockwell hardness tester
Jilin Provincial Standard of the People's Republic of China
- DB22/T 1930-2013 Metal Rockwell Hardness Tester Depth Sounding Device Detector
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 2491-2003 Bonded abrasive products―Hardness grade measurement by rockwell tester
National Metrological Technical Specifications of the People's Republic of China
- JJF(机械) 048-2009 Calibration specification for abrasive tool Rockwell hardness tester
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