Slitting55% Galvalume Steel Coil AFP/ Non AFP /Slitting GL ,G550,G450,G300,Minimised Spangle,
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Hot Dip Galvanizing Production Process:
Raw materials (cold rolled steel coils) → uncoiling → cutting head and tail → welding → spraying by alkali liquor→scrubbing by alkali liquor→ electrolytic degreasing → water scrubbing → hot air drying → entry looper → reduction and annealing → hot dip galvanizing → zinc layer control (air knife) → cooling → finishing → stretching, bending and straightening → purification → drying → exit looper → coil unloading → coil weighing → packaging → warehousing
Products : 55% Clear Galvalume steel coil
Standard : ASTM A653 , JIS G3321 , GB/T3830-2006
Grade : G550 , G450 , G300,DX51D+AZ,DX52D+AZ, SGLCC,SGLCH
Thickness : 0.12mm-2.0mm
Width : 30mm-1500mm
Base Metal : Cold Rolled Steel
AL-Zinc Coating : AZ30-150g/sqm
Coil Internal Diameter : 508mm/610mm
Surface Treatment : Chromating , Oiled
Tolerance : Thickness : +/-0.05mm , Width:+5/-2mm , Total Quantity:+/-10% , Zinc Coating:+/-10%
Surface Finish : Regular spangle ,Minimise spangle
End products of Slitting Galvalume Steel Coil:
1. GL Corrugated sheet
2. GL Ceiling
3. GL Floor sheet...
Roofing sheets specification for Galvalume steel coil :
Application range:
Construction: the roof of the building, the exterior wall, the garage door, the fence, the shutter.
Home appliance industry: oven, air conditioning and ventilation system outside the cover, solar water heater, electrical components.
Automobile industry: automobile muffler, exhaust pipes and a catalytic converter heat shield, the bottom part of the car body, road signs.
Industrial instrumentation: electric control cabinet, industrial refrigeration cabinet, vending machine.
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