PDF
GB/T 4340.3-2025 Active
GB/T 4340.3-2025 Metallic materials—Vickers hardness test—Part 3:Calibration of reference blocks
Abstract
This document specifies the manufacturing requirements and calibration methods for standard hardness blocks used in the indirect testing of Vickers hardness testers as described in GB/T 4340.2. This document is only applicable to the calibration of standard blocks 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 4340.3-2025 |
| CCS | Metallic material testing machine |
| ICS | Mechanical testing |
| Implement Date | 2025-10-01 |
Price
$ 75
Subtotal
$ 75
Tax
$ 0.00
Order Total (incl. tax)
$ 75