KS D ISO 9328-4-2003(2013) Steel plates and strips for pressure purposes-Technical delivery conditions-Part 4:Weldable fine grain steels with high proof stress supplied in the normalized or quenched and tempered condition
2003KS D ISO 9328-4:2003 Steel plates and strips for pressure purposes-Technical delivery conditions-Part 4:Weldable fine grain steels with high proof stress supplied in the normalized or quenched and tempered condition