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PVC film introduces cold rolling technology to everyone
by：LINYANG
2020-09-02
PVC film introduces cold rolling technology to everyone
Last time PVC film introduced hot rolling technology to everyone, now let us look at cold rolling technology.
Cold rolling: Hot-rolled steel coils are used as raw materials. After pickling to remove oxide scale, they are cold-rolled. The finished product is hard-rolled coils. Cold work hardening caused by continuous cold deformation increases the strength, hardness and toughness of the hard-rolled coils. The plastic index drops, so the stamping performance will deteriorate, and it can only be used for simple deformed parts.
Last time PVC film introduced hot rolling technology to everyone, now let us look at cold rolling technology.
Cold rolling: Hot-rolled steel coils are used as raw materials. After pickling to remove oxide scale, they are cold-rolled. The finished product is hard-rolled coils. Cold work hardening caused by continuous cold deformation increases the strength, hardness and toughness of the hard-rolled coils. The plastic index drops, so the stamping performance will deteriorate, and it can only be used for simple deformed parts.
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