All kinds of Pb-free surface treatment steel sheet for automotive fuel tank with better corrosion resistance were developed by many steel company in the developed country.
It can also avoid pretermission of plating, burnout of zinc layer on weld beam and heat affected zone, and other limitations on the inner surface of fuel tank made of galvanized sheet.
从而避免了传统电镀锌板直接焊接成型油箱内表面漏镀、焊缝及热影响区锌层烧损等缺陷。
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A method for manufacturing a circular metal tank, from an elongated sheet of metal.