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Hardness Test Blocks |
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* click on Image for larger View
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Type |
Range |
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1.1 HRC |
20-30, 35-55, 59-65 |
50 mm dia. |
1.2 HRB |
80-100 |
50 mm dia. |
1.3 HRB |
40-70 |
50 mm sq. |
1.4 HRA |
As applicable |
50 mm dia. |
Brinell Test Blocks |
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1.5 HB 2.5/187.5kgf |
200-250, 250-300,
300-350, 350-400 |
50 mm dia. |
1.6 HB 5/750 kgf
And
HB 10/3000kgf |
180-200, 200-250,
250-300, 300-350 |
105 mm dia. |
350-400, 400-450,
450-500, 500-600 |
105 mm dia. |
1.7 VICKERS-HV-5 & above |
100-150, 180-220,
200-300, 300-400, 400-600, 600-800 |
40mm dia. |
1.8 Low Load Vickers
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HV |
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1.8a HV - 3, HV- 2
HV - 2.5 |
100-150, 200-400,
400-600, 600-800 |
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1.8b HV - 1 |
100-150, 200-400,
400-600, 600-800 |
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1.8c HV - 200 gm
HV - 300 gm
HV - 500 gm |
100-150, 200-400,
400-600, 600-800 |
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Superficial Scale |
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1.9a 15N, 30N, 45N |
50 mm dia. |
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1.9b 15T, 30T, 45T |
50 mm dia. |
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Test Blocks |
Hardness Range |
Size |
1.10 HB 10/1000
1.11 HB 10/500
1.12HB 5/500
1.13 HB 5/250
1.14 HB 2.5/62.5
1.15 HB 5/62.5
1.16 HB 2.5/31.25
1.17 HB 2.5/ 15.625
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90-120 HB
90-120 HB
90-120 HB
90-120 HB
90-120 HB
90-120 HB
90-120 HB
90-120 HB |
100 mm dia.
100 mm dia.
100 mm dia.
100 mm dia.
50 mm dia.
100 mm dia.
50 mm dia.
50 mm dia. |
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