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Hardness gauge: Rockwell-A, B, C, D, E, F, G, H, K
Force applications: Direct force
Test force:
Rockwell-Preliminary test force 98.07N (10kg)
Total test force 588.4N (60kg), 980.7N (100kg), 1471N (150kg).
Specimen size:
Min Dia. Of cylindrical specimen: φ3mm
Min ID Of cylindrical specimen: φ30mm
Min ID Of inner wall of circular tube for test of hardness: φ26mm
Min thickness of steel plate: 0.15mm
Min thickness of soft metal sheet: <0.1mm
(to min value in product standard)
Max thickness or Dia. of specimen 1", 2", 4", 8".
Accuracy: Meet GB/T230.2-2004; ASTM E18; ISO6508-1.
Opening: 50mm
Depth: 50mm
Rockwell Hardness Scale Chart
