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冷轧，是指在常温下，用轧辊的压力挤压钢材，改变钢材形状的轧制方法。尽管加工过程也会使钢板升温，但仍然称为冷轧。一般情况下，热板和

冷板在工程中其机械性能是认为无区别的，虽然冷板在冷轧过程中存在一定的加工硬化，(不过不排除对机械性能要求严格的情况，那就需要区别

对待了)，冷板通常比热板的屈服强度稍高，表面硬度也高一些。

Cold rolling refers to the rolling method of extruding steel with the pressure of roll and changing the shape of steel at room temperature. Although the

processing process will also heat up the steel plate, it is still called cold rolling. Generally, the mechanical properties of hot plate and cold plate are considered to

be indistinguishable in engineering. Although the cold plate has certain work hardening in the cold rolling process (but it does not rule out the strict requirements

on mechanical properties, it needs to be treated differently). The yield strength of cold plate is usually slightly higher than that of hot plate, and the surface

hardness is also higher.