... commercial use, household appliance, industry, familySPECIALAPPLICATIONWear resistant steel, high- strength - steel plate StandardASTM A653, JIS G3302,GB/T3830- ... ,1000mm,1200mm,1219mm,1250mm,)Base metalGalvanized steel coils, aluzinc steel coilsZinc coating80-275gsmCoil ID508mm&610mmCoating thicknessTop: ... the middle and outside GI steel sheet to be covered by steel strips with lock, with inner coil ...