Annealing includes intermediate annealing and finished heat treatment. Intermediate annealing is to eliminate work hardening during cold deformation through recrystallization to restore the plasticity of the material and reduce the deformation resistance of the metal heat treatment cold rolled coil sc2.
| 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) |
|---|---|---|---|---|---|---|
| 797 (≥) | 464 (≥) | 12 | 11 | 13 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 322 |
heat treatment cold rolled coil sc2 and steel strips is mainly used for deep drawing quality,non-aging , such as auto parts and electrical parts which demand has higher ductility.The dimension of heat treatment cold rolled coil sc2 we can supply is 0.3 mm-3.5mm for the thickness,and the width is 120mm-1850mm.
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