Other hardness blocks
Category Hardness calibration block
Name | Specification | External dimensions /MM | Picture |
Standard Shore hardness test block |
Type HA (a set of 7 pieces) (a set of 6 pieces) |
Square 50x50x7 |
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Type HD (a set of 3 pieces) | |||
Standard Micro-hardness test block |
700-800HV1 | Square 25X25X8 0.05 kg/block Forging series Round shape φ25×6 mirror surface |
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700-800HV0.5 | |||
700-800HV0.3 | |||
700-800HV0.2 | |||
400-600HV0.2 | |||
400-600HV0.1 | |||
175-225HV0.1 | |||
175-225HV0.05 | |||
60-150HV0.1 Aluminum | |||
Micro-hardness test block (cemented carbide) |
900-1000HV1 | 0.1 kg/block φ25×6 mirror surface |
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1300-1500HV1 | |||
1500-1700HV1 | |||
Standard Knoop hardness test block |
700-800HK1 | Square 25X25x8 0.05 kg/block Forging series Round shape φ25X6 mirror surface |
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700-800HK0.5 | |||
700-800HK0.3 | |||
700-800HK0.2 | |||
400-600HK0.2 | |||
400-600HK0.1 | |||
175-225HK0.1 | |||
175-225HK0.05 | |||
Ultrasonic hardness test block |
60-70HRC (mirror surface | φ90×16 mirror surface |
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700-800HV5 without holes) | |||
Standard Shore hardness test block |
90±4HSD | 65x 52×15 Forging series Or φ64×15 0.5 kg/block mirror surface |
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60±4HSD | |||
30±4HSD | |||
Standard Leeb hardness test block |
750-830HLD | 90×55 2.75 kg/block mirror surface |
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590-670 HLD | |||
490-570HLD | |||
550-630HLG | 120 x70 6.4 kg/block mirror surface |
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460-540HLG |