The high strength and high stamping property galvanized coil are closely related to the chemical composition, physical properties, heat treatment process and hot plating performance of hot-dip galvanized substrate. The following will focus on the development status and trend of coating varieties, substrates, processes and equipment of high-block hot-dip galvanized coil for automobile at home and abroad.
Galvanized coil consumption status
In recent years, the increase of domestic production of galvanized coil is mainly the increase of hot galvanized coil production, 1998-2002, hot galvanized coil production increased by 970,000 tons to 2.2 million tons; The import volume increased from 370,000 tons in 1998 to 1.56 million tons in 2002.
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