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In combination with the process technology and equipment at Tangsteel Cold Rolling Mill’s 3~# galvanized line,the mechanism of defect-formation of the strip surface in the hot dip galvanized coating has been analyzed.Through a series of reform about technology and equipment good solved the defects has been focused on in this paper.The strip surface quality in the hot dip galvanized coating has been improved a lot.
In combination with the process technology and equipment at Tangsteel Cold Rolling Mill’s 3 ~ # galvanized line, the mechanism of defect-formation of the strip surface in the hot dip galvanized coating has been analyzed. Through a series of reform about technology and equipment good solved the defects has been focused on in this paper. The strip surface quality in the hot dip galvanized coating has been improved a lot.