This Korean Industrial Standard specifies the hard drawn steel wires for prestressed concrete (hereafter referred to as "wires") which are applied to the prestressed concrete tanks and pipes being fabricated with steel wires being cold worked.
KS D 7009-1997 history
2022KS D 7009-2022 Hard drawn steel for prestressed concrete
0000 KS D 7009-1997(2017)
1997KS D 7009-1997 Hard drawn steel for prestressed concrete
1987KS D 7009-1987 Hard drawn steel for prestressed concrete