Cold Hardening Rolled Steel Coil

The cold work hardening caused by continuous cold deformation increases the strength, hardness and toughness and plastic index of rolled hard coil. , so the stamping performance will deteriorate and can only be used for parts with simple deformation. Hard-rolled coils can be used as raw material for hot-dip galvanizing plants, because hot-dip galvanizing lines are equipped with annealing lines.

Grade	Yield Strength M pa ≤	Tensile strength M pa ≤	Elongation (L=80mm,b=20mm)% ≥ Nominal Thickness(mm)
<0.70	0.70~<1.01	1.0~<1.6	≥1.6
DC01(St12)	130~260	270	28	30	32	34
DC03(St13)	120~240	270	32	34	35	36
DC04(St14,St15)	120~210	270	36	38	39	40

1 Thickness: 0.3-2.0mm

2 Width: 700-1250mm

3 Inner diameter: 508mm

4 Steel Grade: SPCD, SPCE, DC03

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