KS D ISO 4948-2-2003(2013) Steels-Classification-Part 2:Classification of unalloyed and alloy steels according to main quality classes and main property or application characteristics
2014KS D ISO 4948-2:2014 Steels-Classification-Part 2:Classification of unalloyed and alloy steels according to main quality classes and main property or application characteristics
0000 KS D ISO 4948-2-2003(2013)
2003KS D ISO 4948-2:2003 Steels-Classification-Part 2:Classification of unalloyed and alloy steels according to main quality classes and main property or application characteristics