NF EN ISO 14271 : 2017
Current
The latest, up-to-date edition.
RESISTANCE WELDING - VICKERS HARDNESS TESTING (LOW-FORCE AND MICROHARDNESS) OF RESISTANCE SPOT, PROJECTION, AND SEAM WELDS
12-01-2013
Defines the procedures for the hardness testing of etched cross-sections of resistance spot, projection, and seam welds. The aim of the hardness tests is to determine the Vickers hardness, in the low-force or microhardness range, of the weld nugget, the heat affected zone, and parent material in ferrous or non-ferrous metals for welds made in sheets of thickness 0,5 mm to 6 mm.
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