Standard No.:	GB/T 4340.1-2009
English Name:	Metallic materials—Vickers hardness test—Part 1:Test method
Chinese Name:	金属材料 维氏硬度试验 第1部分：试验方法
Chinese Classification:	H22    Metal mechanical property test method
Professional Classification:	GB    National Standard
ICS Classification:	77.040.10 77.040.10    Mechanical testing of metals 77.040.10
Issued by:	AQSIQ;SAC
Issued on:	2009-6-25
Implemented on:	2010-4-1
Status:	superseded
Superseded by:	GB/T 4340.1-2024 Metallic materials—Vickers hardness test—Part 1: Test method
Superseded on:	2024-12-1
Abolished on:	2024-12-01
Superseding:	GB/T 4340.1-1999 Metallic materials--Vickers hardness test --Part 1：Test method
Language:	English
File Format:	PDF
Word Count:	5000 words
Price(USD):	100.00
Delivery:	via email in 1 business day

1 Scope



This Part of GB/T 4340 specifies the principle, symbols and designation, testing machine, test piece, procedure, uncertainty of the results and test report of Vickers hardness test.

This part specifies the Vickers hardness test method, for the three different ranges of test force for metallic materials (see Table 1).

Contents
Foreword I
1 Scope
2 Normative References
3 Principle
4 Symbols and Designation
5 Testing Machine
6 Test Piece
7 Procedure
8 Uncertainty of the Results
9 Test Report
Annex A (Normative) Minimum Thickness of the Test Piece in Relation to the Test Force and to the Hardness
Annex B (Normative) Tables of Correction Factors for Use in Tests Made on Curved Surfaces
Annex C (Informative) Procedure for Periodic Checking of the Testing Machine by the User
Annex D (Informative) Uncertainty of the Measured Hardness Values