NEN EN 10109-1 : 1995
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 1: ROCKWELL TEST (SCALES A, B, C, D, E, F, G, H, K) AND ROCKWELL SUPERFICIAL TEST (SCALES 15N, 30N, 45N, 15T, 30T AND 45T)
09-29-1999
01-12-2013
Foreword
0 Introduction
1 Scope
2 Normative references
3 Principle
4 Symbols and designations
5 Apparatus
6 Test piece
7 Procedures
8 Test report
Annex A (normative) Minimum thickness of the test piece
in relation to the Rockwell hardness
Annex B (normative) Corrections to be added to Rockwell
hardness values obtained on convex cylindrical
surfaces
Annex C (normative) Corrections to be added to Rockwell
hardness C scale values obtained on spherical
test surfaces of various diameters
Annex D (normative) Conventional HR30Tm test for thin
products
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