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GB/T 34205-2017 Active
GB/T 34205-2017 Metallic materials—Hardness testing—Ultrasonic contact impedance method
Abstract
This standard specifies the terms and definitions, principles, symbols and explanations, testing equipment, samples, testing procedures, and uncertainty of results for hardness testing of metal materials using the ultrasonic contact impedance method. This standard is applicable to hardness testing of metal materials using the ultrasonic contact impedance method, and it is also applicable to hardness testing of metal coatings, plating layers, and hardened layers using the ultrasonic contact impedance method.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 34205-2017 |
| CCS | \n Test methods for the mechanical properties of metals |
| ICS | Mechanical testing of metal materials |
| Implement Date | 2018-06-01 |
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