ISO 9443:1991被替代
Heat-treatable and alloy steels - Surface quality classes for hot-rolled round bars and wire rods - Technical delivery conditions
出版：International Organization for Standardization
专家解读视频
Describes technical delivery requirements for the surface quality of round bars, squares, hexagons and wire rod in the hot rolled condition with nominal dimensions d[N] from 5 mm to 200 mm.
KS D ISO 9443:2002 - Identical
KS D ISO 9443:2013 - Identical
NF EN ISO 9443:2018 - Identical
EN ISO 9443 : 2018 - Identical
EN ISO 9443 : 2018 - Identical
NF EN ISO 9443:2018 - Identical
