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冷轧板卷是以热轧卷为原料，在室温下在再结晶温度以下进行轧制而成，包括板和卷，国内众多钢厂如宝钢、武钢、鞍钢等均可以生产。

其中成张交货的称为钢板，也称盒板或平板;长度很长、成卷交货的称为钢带，也称卷板。由于冷板是热板在冷轧工序后得到的，

而且冷轧同时还会进行一些表面精整所以冷板在表面质量(如表面粗糙度之类)上比热板来得好，所以如果对产品后序上漆等涂覆质量存在较高要求的，

一般选择冷板，另热板又分酸洗板和未酸洗板，酸洗板表面由于酸洗过所以成正常的金属色，但是未冷轧所以表面还是没冷板高，

未酸洗板通常表面会有氧化层带着，发乌，或者存在四氧化三铁乌层，通俗讲就是火烤过似的，而且如果存放环境不好的话通常会带点锈。

Cold rolled coil is made of hot rolled coil as raw material, at room temperature under the recrystallization temperature, including plate and coil,

many domestic steel mills such as Baosteel, Wuhan Steel, Angang and so on can be produced.The volume delivery is called steel plate,

also known as box plate or flat plate; very long length, volume delivery is called steel strip, also called coil plate.

Since the cold plate is obtained after the hot plate in the cold rolling process, And cold rolling will also carry out some surface finishing so the surface quality

(such as surface roughness) is better than hot plate, Therefore, if there are high requirements for the coating quality, Generally select the cold plate,

Another hot plate is divided into pickling plate and no pickling plate, The surface of the pickling plate is a normal metal color, But not cold rolled,

so the surface is still not as high as the cold plate, Unpickling plates usually have oxide layers on the surface, Fa Wu, Or the presence of three iron oxide,

Generally speaking, it's like the fire roast, And if the storage environment is bad, it usually carries a little rust.