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Anti-fingerprint Galvalume steel
The hot dip galvalume steel is a kind of coated steel. With the cold rolled steel of different strength and thickness as substrate, it is produced through applying Al-Zn coat on both faces by hot dip process. In its coating, Al accounts for about 55%, Si 1.6%, while the remaining is Zn. It enjoys both the physical protective feature and durability of Al and the electrochemical protective property of Zn. And its surface has bright silver color and regular embossed-like figure, which are highly decorative.
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Comparison
Item | GI | GF(Zn-5%Al) | GALVA-LUME(55%Al-45%Zn) | Al |
Service Life | Fair | Fair | Good | Good |
Electrochemical Protection | Good | Good | Good | N/A |
Welding Performance | Good | Fair | Poor | Poor |
Application with Wet Concrete | Good | Poor | Very Poor | Very Poor |
Thermal Resistance | Poor | Poor | Good | Excellent |
Applications:
Specifications:
Standard | EN 10327 | DX51D+AZ, DX52D+AZ,DX53D+AZ, |
EN 10326 | SS250GD+AZ, SS350GD+AZ | |
JIS G3321 | SGLCC, SGLCD, SGLCDD, SGLC 400 | |
ASTM A792M | CS type C, CS type B, DS, SS255, SS345 | |
Base Metal | Cold rolled steel coils SPCC, SPCD, SPCE, DC01, DC03, DC04, CS, DS, DDS, Q195, Q250, Q350 | |
Thickness | 0.22mm-2.0mm | |
Width | 700mm-1300mm | |
Coil ID | 508mm, 610mm | |
Zinc coating | 60g/m2-180g/m2 | |
Surface treating | chromium free passivation, chromium passivation, fingerprint resistant, oiled | |
Spangle types | regular spangle | |
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