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冷軋板卷是以熱軋卷為原料，在室溫下在再結(jié)晶溫度以下進行軋制而成，包括板和卷，國內(nèi)眾多鋼廠如寶鋼、武鋼、鞍鋼等均可以生產(chǎn)。

其中成張交貨的稱為鋼板，也稱盒板或平板;長度很長、成卷交貨的稱為鋼帶，也稱卷板。由于冷板是熱板在冷軋工序后得到的，

而且冷軋同時還會進行一些表面精整所以冷板在表面質(zhì)量(如表面粗糙度之類)上比熱板來得好，所以如果對產(chǎn)品后序上漆等涂覆質(zhì)量存在較高要求的，

一般選擇冷板，另熱板又分酸洗板和未酸洗板，酸洗板表面由于酸洗過所以成正常的金屬色，但是未冷軋所以表面還是沒冷板高，

未酸洗板通常表面會有氧化層帶著，發(fā)烏，或者存在四氧化三鐵烏層，通俗講就是火烤過似的，而且如果存放環(huán)境不好的話通常會帶點銹。

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.