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AZ150 Coated Steel Galvalume Steel Coil GL Aluzinc Steel Coil
Galvalume Steel Coil introduction:
Due to the oxidation and corrosion of steel plates caused by moisture, a anti-corrosion protective layer must be added to the surface. Generally, anti-corrosion coatings are divided into hot-dip galvanized Zn and hot-dip aluminum zinc alloy Al Zn (aluminum zinc alloy composition is 55% aluminum, 43.5% zinc, and 1.5% silicon, abbreviated as 55% Al Zn). According to the datSoft Hard (<60),Medium Hard (60-85), Full Hard (85-95)a, the comprehensive anti-corrosion ability of 55% aluminum zinc plating is four times that of galvanized steel of the same thickness.
According to foreign experience standards, the anti-corrosion coating of the base material of general-purpose profiled steel plates (pit plates) should not be less than 350g/㎡ (Z35) hot-dip galvanized or 185 g/㎡ (AZ185) hot-dip aluminum zinc plated
As the minimum hot-dip galvanized layer for cold-rolled steel and floor slabs in building structures, the specification for Zinc/Galvanizing is 275 g/㎡ (Z27), and the requirement for exposed coastal components is 350 g/㎡ (Z35).
Galvalume steel coil Material:
Grade:DX51D+Z,DX52D+Z,DC53D+Z,DC54D+Z,S250GD,S280GD,S320GD,S350GD,S550GD, SGCC,SGCD,SGC340,SGC400,SGC440,SGC590,
SS255,SS275,SS340,SS550,FS,DDS,as customer requirements
Hrb:Soft Hard (<60),Medium Hard (60-85), Full Hard (85-95)
| specifications | JIS G3321 ASTM A792M |
| Thickness | 0.2mm-6.0mm |
| Width | 600-1500 |
| Spangle | Regular spangle or zero spangle |
| Surface treatment | OIL Or Anti-finger |
| Surface finish | Skin pass/Non Skin pass |
Galvalume steel Features:
Thermal reflectivity:
The thermal reflectivity of aluminum zinc coated steel plate is very high, twice that of galvanized steel plate, and it is often used as a thermal insulation material.
Heat resistance:
Aluminum zinc alloy steel plate has good heat resistance and can withstand high temperatures of over 300 degrees Celsius, similar to the high-temperature oxidation resistance of aluminum plated steel plate. It is often used in chimney pipes, ovens, lighting fixtures, and fluorescent lampshades.
