ENV 10247:1998被替代
Micrographic Examination Of The Nonmetallic Inclusion Content Of Steel Using Standard Pictures
出版：Comite Europeen de Normalisation
专家解读视频
Gives a method of microscopic nonmetallic inclusion assessment with the use of picture charts. The method is not applicable to inclusions of length less than 3 mum or smaller than 2 mum width. It is not suitable for free cutting steels.
NEN NVN ENV 10247:1999 - Similar
UNI ENV 10247:2000 - Identical
NBN ENV 10247:1998 - Identical
NF ENV 10247:1998 - Identical
I.S. ENV 10247:1998 - Identical
DIN V ENV 10247 (1998-06) - Identical
DD ENV 10247:1998 - Identical
SN ENV 10247:1998 - Identical
