South Korea · KS

CGCD

KS D 3520:2008 — Prepainted hot-dip zinc-coated steel sheets and coils

Chemical composition

wt% · log scale
0.010.11C0.12Mn0.6P0.04S0.04
  • min – max range
  • typical value

Mechanical properties

value range by condition
Tensile strength Rm≥270 MPaElongation A≥34 %coil, heavy plate;0.40 < t ≤ 0.60 mm, cold rolledTensile strength Rm≥270 MPaElongation A≥36 %coil, heavy plate;0.60 < t ≤ 1.00 mm, cold rolledTensile strength Rm≥270 MPaElongation A≥37 %coil, heavy plate;1.00 < t ≤ 1.60 mm, cold rolledTensile strength Rm≥270 MPaElongation A≥38 %coil, heavy plate;1.60 < t ≤ 2.30 mm, cold rolled

Chemical composition

ElementminmaxSimilarRemarks
C0.12
Mn0.6
P0.04
S0.04

Mechanical properties

Heat treatment / conditionYield strengthTensile strengthElongationReduction of areaImpact energyHardness
coil, heavy plate;0.40 < t ≤ 0.60 mm, cold rolled≥270≥34 No.5 in the rolling direction
coil, heavy plate;0.60 < t ≤ 1.00 mm, cold rolled≥270≥36 No.5 in the rolling direction
coil, heavy plate;1.00 < t ≤ 1.60 mm, cold rolled≥270≥37 No.5 in the rolling direction
coil, heavy plate;1.60 < t ≤ 2.30 mm, cold rolled≥270≥38 No.5 in the rolling direction