Product features

Because there is no annealing treatment, its hardness is very high, the mechanical processing performance is very poor, can only be simple directional bending less than 90 degrees. In simple terms, cold rolling, is processed on the basis of hot rolling plate roll rolled out, generally speaking is hot rolling → pickling → cold rolling such processing process.

Cold rolling is processed by hot rolled plate at room temperature, although in the process of processing because rolling will also make the steel plate temperature, but still called cold rolling. By hot rolling through continuous cold deformation and cold rolling, mechanical properties are relatively poor, hardness is too high, must be annealed to restore its mechanical properties, no annealing called rolling hard coil. Rolled ROLL IS GENERALLY USED TO do not bend, stretch products, under 1.0 thickness rolled hard luck on both or four sides of the bend.