Shandong Guanzhou Iron and Steel Group Co., Ltd

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Home > Cold Rolled Coil

Cold Rolled Coil

Continuous casting slabs or primary rolling slabs are used as raw materials, heated by a stepping furnace, and dephosphorized by high-pressure water, and then enter the roughing mill. The rough rolling material is cut through the head, tail, and then into the finishing mill, and computer-controlled rolling is carried out. After the final rolling, it will go through laminar cooling (computer-controlled cooling rate) and take-up by the coiler to become a straight hair coil. The head and tail of straight hair curls tend to be tongue-shaped and fish-tailed, with poor thickness and width accuracy, and often have wavy, folded, tower-shaped and other defects on the edges. The coil is heavier and the inner diameter of the steel coil is 760mm. (Generally used in the pipe-making industry

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Certification

Certificate of Compliance
QUALITY MANAGEMENT SYSTEM CERTIFICATE GB/T19001-2016 / ISO 9001:2015

Certification

Certificate of Compliance
QUALITY MANAGEMENT SYSTEM CERTIFICATE GB/T19001-2016 / ISO 9001:2015
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