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柳鋼產(chǎn)品品種齊全，有中厚板、中小型材、線材、熱軋寬帶鋼、棒材、薄板等五大系列數(shù)百種規(guī)格產(chǎn)品。冷軋卷和平板差點就是一個裁剪包裝。

冷硬卷板是熱軋卷板經(jīng)過酸洗、冷軋得到的?？梢哉f是冷軋板卷的一種。冷軋板卷（退火態(tài)）：熱軋卷板經(jīng)過酸洗、冷軋、罩式退火、平整、

（精整）得到的。兩者區(qū)別主要有三點：1、外觀上，一般冷硬卷板有點發(fā)微烏。2、表面質(zhì)量、結(jié)構(gòu)、尺寸精度等冷軋板要比冷硬卷板要好。

3、性能上，由于熱軋卷板經(jīng)過冷軋工序直接得到的冷硬卷板在冷軋時發(fā)生加工硬化，導(dǎo)致屈服強(qiáng)度增加、并殘留了部分內(nèi)應(yīng)力，

外在表現(xiàn)為較“硬”故稱冷硬卷板。故屈服強(qiáng)度：冷硬卷板大于冷軋板卷（退火態(tài)），使得冷軋板卷（退火態(tài)）更加利于沖壓成型。

一般冷軋板卷默認(rèn)的交貨狀態(tài)為退火態(tài)。

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.