G550 ASTM A792 Steel Full Hard AZ80 55% GL Steel Coil Galvalume Steel The GL & aluzinc steel sheet in coil uses the cold-rolled steel sheet as a substrate and solidified by 55% aluminum, 43.4% zinc ...View More
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G550 ASTM A792 GL Steel Coil Full Hard AZ80 55% Galvalume Steel Coil