Standard Number: GB/T 4340.1-1999
Title: Metallic Vickers hardness test--Part 1:Test method
Language: Simplified Chinese
Publication Date: 1999/11/11
Execute Date: 2000/5/1
Revocatory Date: 2010/4/1
Status:
Standard Type: Method
Publisher: Chinese Standards(GB)
Price:---
Number of Pages:105P.;A4
Preface:
Description:This standard specifies the principle of metal vickers hardness test, symbols and instructions, hardness tester, sample, test method and test report. This standard stipulated in the scope of three test force the method of determination of metal vickers hardness. 1) test range, n: p f 49.03, hardness symbol: hv5 or higher, test name: vickers hardness test; 2) test range, n: 1.961 or less f < 49.03, hardness symbol: hv0.2 ~ < hv5 and try Check the name: the small load vickers hardness test; 3) test range, n: 0.098 07 acuities were f < 1.961, hardness symbol: hv0.01 ~ < hv0.2, test name: micro vickers hardness test. The provisions of this standard vickers hardness indentation diagonal length in the range of 0.020 ~ 1.400 mm. Special materials or products of vickers hardness test should be stipulated in the relevant standards.
Overview:
Cross References:;
GB/T 4340.4-2009
GB/T 4340-1984;
GB/T 5030-1985;
GB/T 4342-1991
ISO 6507-1-1997,
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