It electromagnetic cold coil steel also depends on obtaining the required organization (such as various textures, etc.) and product properties (such as deep drawing, electromagnetic properties, etc.) according to the technical requirements of the product. Finishing includes inspection, cutting, straightening (flattening), printing, sorting and packaging, etc.
Surface Finish:
| Symbol | Remarks | |
| Dull finish | D | A matt finish produced with a roll roughened its surface mechanically or chemically. |
| Bright finish | B | A smooth finish produced with a roll finished its surface smoothly |
Temper Grade: Both bright annealed and black annealed available.
| Proof strength Rp0.2 (MPa) | Tensile strength Rm (MPa) | Impact energy KV (J) | Elongation at fracture A(%) | Reduction in cross section on fracture Z(%) | As-Heat-Treated Condition | Brinell hardness (HBW) |
|---|---|---|---|---|---|---|
| 882 (≥) | 192 (≥) | 13 | 12 | 21 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 121 |
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