NEN EN 10109-3 : 1995
Superseded
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
METALLIC MATERIALS - HARDNESS TEST - PART 3: CALIBRATION OF STANDARDIZED BLOCKS TO BE USED FOR ROCKWELL HARDNESS TESTING MACHINES (SCALES A, B, C, D, E, F, G, H, K, N, T)
Superseded date
01-09-1999
Published date
12-01-2013
Publisher
Foreword
0 Introduction
1 Scope
2 Normative references
3 Manufacture of blocks
4 Standardizing machine
5 Standardizing procedure
6 Number of indentations
7 Uniformity of hardness
8 Marking
9 Validity
Annex A (normative) Uniformity of test blocks
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