China · GB

JD1

GB/T 30068:2013 — Cold rolled steel sheets and strips for appliance

Chemical composition

wt% · log scale
0.010.1110C0.15Mn0.7P0.03S0.025Si0.05
  • min – max range
  • typical value

Mechanical properties

value range by condition
Yield strength Rp0.2260–360 MPaTensile strength Rm≥340 MPaElongation A≥26 %Elongation A≥30 %HardnessHV

Chemical composition

ElementminmaxSimilarRemarks
C0.15
Mn0.7
P0.03
S0.025
Si0.05

Mechanical properties

Heat treatment / conditionYield strengthTensile strengthElongationReduction of areaImpact energyHardness
plates and strip, annealed skin passed260–360≥340≥26 Lo=80mm；≥30 Lo=50mmHV ≥93