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GB/T 4340.3-2012 Active
GB/T 4340.3-2012 Metallic materials—Vickers hardness test—Part 3:Calibration of reference blocks
Abstract
This part of GB/T 4340 specifies the calibration method for standard hardness blocks used in the indirect testing of Vickers hardness testers according to GB/T 4340.2—2012, hereinafter referred to as standard blocks.
This part is only applicable to indentations with a diagonal length of not less than 0.020 mm.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 4340.3-2012 |
| CCS | Metallic material testing machine |
| ICS | Mechanical testing |
| Implement Date | 2013-06-01 |
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$ 47