Diamond Tools

Standard Test Blocks

Standard Test Blocks
Diamond Tools
make Hardness Standard Blocks are manufactured in our own premises and calibrated by NABL Accredited laboratory, (Fie Research Institute)

Each block is measured to ensure the highest levels of accuracy. Supplied with NABL Certification to IS : 1586, IS : 1500 & IS : 1501

Standard Test Blocks
Scale
Hardness Ranges
HRC
20-30 / 30-40 / 40-50 / 50-60 - 60-65
HRB
50-60 / 60-70 / 70-80 / 80-90 / 90-100
HRA
20-40 / 40-60 / 60-80 / 80-85
HR 15 N
70-80 / 80-90 / 90-95
HR 30 N
42-50 / 50-60 / 60-70 / 70-80 / 80-85
HR 45 N
20-30 / 30-40 / 40-50 / 50-60 / 60-70
HR 15 T
70-80 / 80-90
HR 30 T
50-60 / 60-70 / 70-80
HR 45 T
20-30 / 30-40 / 40-50 / 50-60 / 60-70
HV 1
100-200 / 200-300 / 300-400 / 400-500 / 500-600 / 600-700 / 700-800
HV 5
100-200 / 200-300 / 300-400 / 400-500 / 500-600 / 600-700 / 700-800
HV 10
100-200 / 200-300 / 300-400 / 400-500 / 500-600 / 600-700 / 700-800
HV 20
100-200 / 200-300 / 300-400 / 400-500 / 500-600 / 600-700 / 700-800
HV 30
100-200 / 200-300 / 300-400 / 400-500 / 500-600 / 600-700 / 700-800
HV 50
100-200 / 200-300 / 300-400 / 400-500 / 500-600 / 600-700 / 700-800
HV 100 Gram
100-200 / 200-300 / 300-400 / 400-500 / 500-600 / 600-700 / 700-800
HV 200 Gram
100-200 / 200-300 / 300-400 / 400-500 / 500-600 / 600-700 / 700-800
HV 300 Gram
100-200 / 200-300 / 300-400 / 400-500 / 500-600 / 600-700 / 700-800
HV 500 Gram
100-200 / 200-300 / 300-400 / 400-500 / 500-600 / 600-700 / 700-800
HBW 5/250
100-200 / 200-300 / 300-400 / 400-500 / 500-600 / 600-700 / 700-800
HBW 2.5/187.5
100-200 / 200-300 / 300-400 / 400-500 / 500-600 / 600-700
HBW 5/750
100-200 / 200-300 / 300-400 / 400-500 / 500-600
HBW 10/3000
100-200 / 200-300 / 300-400 / 400-500 / 500-600
HBW 10/500
100-200 / 200-300 / 300-400 / 400-500 / 500-600
HBW 10/1000
100-200 / 200-300 / 300-400 / 400-500 / 500-600
HBW 10/1500
100-200 / 200-300 / 300-400 / 400-500 / 500-600

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