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What is the difference between hot rolled coil and cold rolled coil

四月 22, 20213 commentsCAMELSTEEL

What is the difference between hot rolled coil and cold rolled coil

rolled coil

rolled coil http://www.camelsteel.com

The United States mostly uses 3 to 6 continuous rolling mills as cold rolling equipment, including plates and coils,

which can produce by many domestic steel plants such as Baosteel,

Wuhan Iron and Steel, Anshan Iron and Steel, etc. Also called a coiled plate.

Hot-rolled coils use slabs (mainly continuous casting billets) as raw materials and heat to assemble strip steel by rough rolling mills and finishing mills.

The hot steel strip from the last rolling mill of the finishing rolling cools to a set temperature by laminar flow and then coiled into a steel coil by the coiler.

The cooled steel coil undergoes different finishing operations according to the different needs of users.

Lines (flattening, straightening, cross-cutting or slitting, inspection, weighing, packaging and marking, etc.)  process into steel plates, flat coils and slit steel strip products.

Prototype ship, automobile, railway, construction, machinery, pressure vessel and other manufacturing industries.

With the increasing maturity of hot-rolled dimensional accuracy, plate shape,

surface quality and other new control technologies and the continuous advent of new products,

hot-rolled steel sheets and strip products have been more and more widely used and have become more and more powerful in the market. Competitiveness.

product category:

Hot-rolled steel products include steel strips (coils) and steel plates with their shear forming.

The steel strip (roll) can divide into straight hair rolls and finishing rolls (divided rolls, flat rolls and slit rolls).

main products:

Hot continuous rolling can divide into ordinary carbon structural steel, low alloy steel, alloy steel according to its material and performance.

According to different uses, it can be divided into cold forming steel, structural steel, automobile structural steel,

corrosion-resistant structural steel, mechanical structural steel, a welded gas cylinder and pressure vessel steel, pipeline steel, etc.

General instructions:

Hot-rolled steel plate products, with a wide variety of steel grades and specifications, are widely used,

from general engineering structures to the manufacture of automobiles, axial, ships, boilers and pressure vessels, etc., widely use.

Various applications have different requirements on the material properties,

surface quality and size, dimensional accuracy and other requirements of the steel plate.

Therefore, it is necessary to understand the varieties, materials,

characteristics and uses of the hot-rolled steel plate products in order to be economical. , Make rational use.

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3 comments. Leave new

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十月 7, 2021 10:47 下午

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十月 8, 2021 3:06 上午

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One Nine Elms Construction
十月 8, 2021 8:21 上午

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