GB/T 231.1-2009

GB/T 231.1-2009 金属材料 布氏硬度试验 第1部分：试验方法 （英文版）

Metallic materials—Brinell hardness test—Part 1:Test method

2009-06-25

2010-04-01

20

15.00元

是

750.00元

Word/PDF

CONTENTS
Foreword 1
Introduction 1
1 Scope 1
2 Normative References 4
3 Principle 4
4 Symbol and Designation 6
5 Apparatus 7
5.1 Hardness tester 7
5.2 Indenter 7
5.3 Measuring device 7
6 Test piece 7
7 Test Procedure 8
8 Uncertainty of the results 10
9 Test report 10
Annex A (Informative) Procedure for periodic checking of the testing machine by the user 11
Annex B (Normative) Minimum thickness of the test piece in relation to the mean diameter of indentation 12
Annex C (Informative) Uncertainty of the measured hardness values 13

GB/T 231.1 英文版 Text of document is in English