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An expert in PVC tarpaulin / PVC film industry since 2002

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.
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