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柳钢产品品种齐全，有中厚板、中小型材、线材、热轧宽带钢、棒材、薄板等五大系列数百种规格产品。冷轧卷和平板差点就是一个裁剪包装。

冷硬卷板是热轧卷板经过酸洗、冷轧得到的。可以说是冷轧板卷的一种。冷轧板卷（退火态）：热轧卷板经过酸洗、冷轧、罩式退火、平整、

（精整）得到的。两者区别主要有三点：1、外观上，一般冷硬卷板有点发微乌。2、表面质量、结构、尺寸精度等冷轧板要比冷硬卷板要好。

3、性能上，由于热轧卷板经过冷轧工序直接得到的冷硬卷板在冷轧时发生加工硬化，导致屈服强度增加、并残留了部分内应力，

外在表现为较“硬”故称冷硬卷板。故屈服强度：冷硬卷板大于冷轧板卷（退火态），使得冷轧板卷（退火态）更加利于冲压成型。

一般冷轧板卷默认的交货状态为退火态。

Liusteel products have a complete range of varieties, including medium and thick plate, small and medium-sized materials, wire material,

hot rolled broadband steel, rod material, sheet plate and other five series of hundreds of standard products.Cold-rolled rolls and plates are almost a cropped package.Cold hard reels are hot rolled sheets after pickling and cold rolled.It can be said to be a kind of cold-rolled plate roll.Cold rolled coil (annealed state):

Hot rolled coil is obtained by pickling, cold rolled, cover annealing, leveling and (finishing).There are three main differences between the two: 1, in appearance, generally cold hard coil is a little black.2. Surface quality, structure, size accuracy and other cold-rolled plates are better than cold-hard rolled plates.

3. In terms of performance, because the cold hard rolling board directly obtained by the cold rolling process is processed and hardened during cold rolling,

resulting in increased yield strength and residual internal stress, the "hard" external performance is called "hard".Therefore, the yield strength:

the cold hard coil is greater than the cold rolled plate coil (annealed state), making the cold rolled coil (annealed state) more conducive to stamping forming.

The default delivery state of general cold-rolled rolls is annealed.