
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

專家解讀視頻
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