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冷轧卷由热轧卷制成。在冷轧过程中，热轧卷在低于重结晶温度的条件下被轧制，通常轧制的钢在室温下被轧制。硅含量高的钢板的脆性和塑性低，

需要在冷轧前预热至200°C。由于在生产过程中不对冷轧卷进行加热，因此不会出现热轧中经常发现的诸如点蚀和氧化铁之类的缺陷，

并且表面质量和光洁度也良好。冷轧产品的尺寸精度高，一些产品使用的特殊要求的性能和组织也可以满足，比如深冲性能，电磁性能等。

冷轧卷材的用途广泛，例如汽车制造，电气产品，机车车辆，航空，精密仪器和食品罐。通用规格有厚度0.15-3mm，宽度550-1530mm等等。

Cold rolled rolls are made of hot rolled rolls.During cold rolling, hot-rolled rolls are rolled under conditions below the recrystallization temperature,

and usually the rolled steel is rolled at room temperature.

Steel plates with high silicon content have low brittleness and plasticity and need to be preheated to 200 C before cold rolling.

Since cold rolled rolls are not heated during production, defects such as spot corrosion and iron oxide are often found in hot rolling,

and the surface quality and finish are good.The size precision of cold-rolled products is high,

and the special performance and organization of some products can also be met, such as deep flushing performance and electromagnetic performance.

Cold-rolled rolls have a wide range of uses, such as automobile manufacturing, electrical products, rolling stock, aviation, precision instruments and food cans.

General specifications have thickness 0.15-3mm, width 550-1530mm and so on.