This European Standard was approved by CEN on 1996-05-23. 15p. This standard specifies micro hardness tests on transverse sections of welded joints of metallic materials with high hardness gradients. It covers Vickers hardness tests in accordance with ISO DIS 6507-1, normally with test loads of 0,98 N to less than 49 N (HV 0,1 to less than HV 5).