Today, the following main equipment is used to produce cold-rolled coils:
- Modern continuous-rolling mills with 6-7 mill stands providing a rolling speed of up to 50 metres per second and a coil weight of up to 60 tonnes;
- Use of stiff mill stands with roll bending;
- A high level of process automation by using sensors for automatic in-line control of strip tension, gauge and width;
- Use of vertical or horizontal continuous heat-treatment lines.
| Description | rated overlay thickness for each side in µm | rated overlay for each side mass in g/m² | minimum thickness overlay in µm | minimum overlay mass in g/m² |
|---|---|---|---|---|
| ZE 25/25 | 2,5/2,5 | 18/18 | 1,7/1,7 | 12/12 |
| ZE 50/50 | 5/5 | 36/36 | 4,1/4,1 | 29/29 |
| ZE 75/75 | 7,5/7,5 | 54/54 | 6,6/6,6 | 47/47 |
Name: DC07 for deep drawing
C 0.01
Mn 0.20
P 0.020
Ti 0.2
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