Aceros para herramientas. (ISO 4957:1999)
Tool steels (ISO 4957:1999)
Aciers à outils (ISO 4957:1999)
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See part of the content of the standard
77.140.35 / Tool steels
CTN 36 - Iron and steel
EN ISO 4957:1999 (Identical)
ISO 4957:1999 (Identical)
It is cancelled by: UNE-EN ISO 4957:2019
Cancel: UNE 36018-1:1994
Cancel: UNE 36018-2:1994
Cancel: UNE 36018-3:1994
Cancel: UNE 36018-4:1994
Corrected by: UNE-EN ISO 4957:2001 ERRATUM