Cold-rolled steel coils raw materials use hot-rolled coils as raw materials and are rolled under recrystallization, but are generally understood to be rolling using normal-temperature rolled materials. Three to six continuous rolling mills are used as cold rolling equipment, and those delivered in coils are called cold rolled steel coils.
This Cold-rolled steel coils raw materials group assigned the grades DC01 to DC07, DC01EK to DC06EK, DC03ED to DC06ED and S215G to S325G.
Cold-rolled steel coils raw materials
| C | Mn | P | S |
| ≤0.02 | ≤0.25 | ≤0.020 | ≤0.020 |
| Yield Strength Mpa | Tensile Strength Mpa | Elongation(Thickness) | |
| ≤210 | ≧270 | 0.25-2.5mm | ≥2.5mm |
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