Aceros para herramientas. (ISO 4957:1999)
TOOL STEELS (ISO 4957:1999)
Aciers à outils. (ISO 4957:1999)
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77.140.35 / Tool steels
CTN 36 - Iron and steel
It is cancelled by: UNE-EN ISO 4957:2019
Corrects: UNE-EN ISO 4957:2000
This standard is available in:
Print and digital format
Spanish