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Analysis and improvement of defect-formation of the strip surface in the hot dip strip coating |
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| Authors: | LI Wentian GONG Junjie Hebei Iron & Steel Group Co. Ltd. TangSteel Tangshan HeBei China |
| Affiliation: | LI Wentian and GONG Junjie Hebei Iron & Steel Group Co.,Ltd.,TangSteel,Tangshan 063000,HeBei,China |
| Abstract: | 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. |
| Keywords: | hot galvanizing sink roll imprints dross band strating material scratches stretcher strains chromating defects |
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