NA 021
DIN Standards Committee Iron and Steel
Draft standard
[Withdrawn]
DIN EN ISO 4957
DIN EN ISO 4957
Tool steels (ISO/DIS 4957:2017); German and English version prEN ISO 4957:2017
Title (German)
Werkzeugstähle (ISO/DIS 4957:2017); Deutsche und Englische Fassung prEN ISO 4957:2017
Responsible national committee
NA 021-00-19-04 UA - Tool steels
Responsible european committee
CEN/TC 459/SC 5 - Steels for heat treatment, alloy steels, free-cutting steels and stainless steels