Galvalume Steel Sheet 55%Al,43.5%Zn,1.5%Si For Building And Construction
Chemical Requirements FOR Structure Steel
|Composition ,%-Heat Analysis Element,Maximum,Unless Otherwise Shown|
Galvalume Steel is the plating coat of aluminum-zinc alloy armor plate,and its composition is 55% Al,43.4% Zn and 1.6% Si.The plate with smooth surface and excellent corrosion resistance of the atmosphere,which is 2 to 6 times higher than hot-dip galvanized sheet of the same thickness of coating.
■Standard: ASTM A792,JIS G3321,GB/T14978-2008,EN10326-2004
■Base Metal: Cold-Rolled Steel
■Al-Zinc Coating: 50-150g/sqm
■Coil Internal Diameter: 508mm/610mm
■Surface Treatment: Chromate Passivated,Non-Chromate Passivated,Oiled,Anti-Finger Print And Etc.
■Tolerance: Thickness:+/-0.05mm,Width:+5/-2mm,Total Quantity:+/-10%,Alu-Zinc Coating:+/-10%
■Packing Condition: Seaworthy
GL are 3~6 times more corrosion-resistant compared to GI, but has a similar level of processability and weldability and can replace GI, and in particular is most suitable when replacing GI that require thick galvanized layers and high corrosion resistance.
Only galvanized steel sheet that is used for roofing and walls without painting because of its unique silver spangles and beautiful appearance and high-corrosion resistance, and is used as a cool roofing material because of its excellent heat reflection qualities.
Can replace aluminum gilded steel sheets because for certain purposes of its ele trical conductivity and its heat-resistance qualities even at high temperatures that do not exceed 315℃.
Has greater surface hardness than GIs, and is much more wear-resistant.
Corrosion resistance increased more with resin-coating treatment, which enables roll forming or press forming without the spraying of processed oils.
Infrastructure: Roofing; External Siding; Garage; Shutter;
Household Appliances: Oven; Air-Conditioning Ventilation System; Solar Water Heater; Electronics;
Automobile: Mobile Muffler; Vent Pipe; Catalysis Converter Heater Shield; Bottom Accessories;
Industrial Instrument: Electric Control Cabinet; Industrial Freezer Chest.