Hot-dip galvanized IF steel plate production method capable of controlling surface waviness
A steel plate production method and surface waviness technology, applied in hot-dip coating process, heat treatment furnace, manufacturing tools, etc., can solve problems such as the surface texture of galvanized steel plate without consideration, and achieve the effect of improving Wsa value and improving uniformity
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[0018] The present invention is a method of controlling the production of hot-dip galvanized IF steel sheets, and the chemical composition of the hot galvanized IF steel sheet is: 0
[0019] The production process of the hot galvanized IF steel plate includes smelting, furnace refining, continuous casting, thermal rolling, cold acid, annealing, hot dip, wherein:
[0020] 1) When hot rolling, heat the slab to 1200 ~ 1300 ° C, heat insulation 120 to 180 min, and the finishing rolling temperature is 1000 to 1150 ° C, the final rolling temperature is 900 ~ 960 ° C, the coating temperature is 580 to 640 ° C;
[0021] 2) When annealing, the heating section temperature is 790 ~ 840 ° C; the temperature of the insulation section is 790 ~ 840 ° C, the hold...
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