DIN EN ISO 4957 (2001-02)现行
Tool steels (ISO 4957:1999); English version of DIN EN ISO 4957
出版：German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频
This standard is included in DIN Handbook 6, 46, 218, 262 and 404/2. Describes 4 grades of wrought tool steels - 1 non-alloy cold-work steels 2 alloy cold-work tool steels 3 alloy hot-work tool steels 4 high-speed tool steels.
Supersedes DIN 17350 SUPP1 and DIN 17350. (05/2001) DRAFT 2017 issued in April 2017. (04/2017)
NS EN ISO 4957 : 1ED 2000 - Identical
NF EN ISO 4957 : 2000 - Identical
ONORM EN ISO 4957 : 2001 - Identical
UNI EN ISO 4957 : 2002 - Identical
EN ISO 4957 : 1999 - Identical
UNI EN ISO 4957:2002 - Identical
I.S. EN ISO 4957:2000 - Identical
SS EN ISO 4957 Ed. 1 (1999) - Identical
ISO 4957:1999 - Identical
NEN EN ISO 4957:2000 - Identical
NS EN ISO 4957 Ed. 1 (2000) - Identical
UNE EN ISO 4957:2000 - Identical
ISO 4957 : 1999 - Identical
SN EN ISO 4957 : 2001 - Identical
NBN EN ISO 4957 : 2000 - Identical
NEN EN ISO 4957 : 2000 - Identical
BS EN ISO 4957 : 2000 - Identical
I.S. EN ISO 4957:2000 - Identical
SN EN ISO 4957:2001 - Identical
BS EN ISO 4957:2000 - Identical
ONORM EN ISO 4957:2001 - Identical
NF EN ISO 4957:2000 - Identical
NBN EN ISO 4957:2000 - Identical
