Determinación de la profundidad convencional de temple superficial.
DETERMINATION OF THE EFFECTIVE DEPTH OF HARDENING AFTER SURFACE HEATING.
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77.080.20 / Steels
CTN 36 - Iron and steel
NF A 4 203 (Non-equivalent)
EU 116:1972 (Non-equivalent)
It is cancelled by: UNE-EN 10328:2007