We provide hot-dip galvanizing line with American-Steel-Union process, which can produce sheet with small spangles or without spangles. The product has good performance of corrosion resistance and coating adhesion, used widely for manufacture of automobile, household electric appliance, building construction and base plate for color coating etc.

Process flow of hot-dip galvanizing line
Coil loading car--- pay-off reelⅠ, Ⅱ---- 5-roll tension levelerⅠ---- shearing 1 ----5-roll tension levelerⅡ---- shear 2 ---- 2-roll pinch deviceⅠ---- welding machine ----2-roll pinch device Ⅱ---- bridle rollⅠ---- electrolytic degreasing section---- steam drying deviceⅠ---- bridle rollⅡ---- rectifying roll (1# CPC) ----vertical storing loopⅠ---- rectifying roll (2# CPC) ---- bridle roll Ⅲ ----tension measuring roller ---- heating furnace---- soaking furnace---- furnace throat---- cooling furnace---- temperature equalization furnace---- thermal tension roller ----furnace nose---- zinc pot ---- sank roller---- air knife---- cooling tower ---vertical air cooling unit 1#, 2#, 3#---- Turning and rectifying roll（3#CPC）---- horizontal air cooling unit ---- turning roll ----vertical air cooling unit 1#, 2#, 3#---- quenching tank ----heat air blowing---- dry double-roll rectifying roll（with 4#CPC）---- bridle roll 4 ----wet skin pass mill---- tension leveler---- bridle roll V ----spraying type passivity----steam drying deviceⅡ---- rectifying roll (5# CPC) ---- storing loopⅡ---- rectifying roll (6# CPC)---- bridle roll 6 ----Inspection platform ----electrostatic oil coater---- 2-roll pinch deviceⅢ---- shear---- 2-roller pinch device 4---- tension reel---- coil unloading car.

Specification:
Material: Hot rolled and pickled or full hard
Strip thickness: 0.15-6.5 mm
Strip width: 300-1300mm
Process speed: 50-180m/min.
Coating layer weight: 80-300g/m2 (double sides)
Energy: Steam, electric or natural gas.