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What is cold rolled steel used for?

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What cold rolled steel plate? What are the features? What are the specific uses? Let's learn about it today. In this way, if you want to purchase cold-rolled steel plates, you also know how to choose.


What is cold rolled steel sheet?

Cold rolling is made by rolling hot rolled coil under recrystallization temperature at room temperature. Cold rolled steel plate is the steel plate produced by cold rolling process, which is referred to as cold plate for short. The thickness of cold-rolled sheet is generally between 0.1-8.0mm. The thickness of cold-rolled sheet produced by most factories is less than 4.5mm. The thickness and width of cold-rolled sheet are determined according to the equipment capacity and market demand of each factory.

What are the properties of cold rolled steel sheet?

Cold rolling: hot rolled steel coil is used as raw material for cold continuous rolling after acid pickling to remove oxide scale. The finished product is hard rolled coil. Due to the cold work hardening caused by continuous cold deformation, the strength and hardness of hard rolled coil increase and the toughness and plasticity index decrease. Therefore, the stamping performance will deteriorate and can only be used for simple deformed parts. The hard rolled coil can be used as the raw material of the hot-dip galvanizing plant, because the hot-dip galvanizing units are equipped with annealing lines. The weight of rolled hard coil is generally 6 ~ 13.5 tons. The hot-rolled pickling coil is continuously rolled at room temperature. The inner diameter is 610mm.

Product features: because it has not been annealed, its hardness is very high (HRB greater than 90) and its machining performance is very poor. It can only carry out simple directional bending less than 90 degrees (perpendicular to the coiling direction).

What are the uses of cold rolled steel plate?

Cold rolled sheet and strip are widely used, such as automobile manufacturing, electrical products, rolling stock, aviation, precision instruments, food cans, etc. Cold rolled steel sheet is the abbreviation of common carbon structural steel cold rolled plate, also known as cold rolled plate, commonly known as cold plate, which is sometimes mistakenly written as cold rolled plate. Cold plate is a steel plate with a thickness of less than 4mm made of hot-rolled steel strip of ordinary carbon structural steel after further cold rolling. Due to rolling at normal temperature, there is no iron oxide scale. Therefore, the cold plate has good surface quality and high dimensional accuracy. Combined with annealing treatment, its mechanical and process properties are better than hot-rolled steel sheet. It has been gradually used to replace hot-rolled steel sheet in many fields, especially in the field of household appliance manufacturing.


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