Color steel sheet (metal sheet) can be differernt color and different thickness, 820 type sheet can made by galvanized color steel sheet , galvanized aluminium sheet and aluminium sheet . 820 type sheet used as roof and wall cladding materials,fixed by self threading pin .
Please see as follow:
Rolling Machine ModelYX25-205-820
APPLICATIONEffective coverage width(mm)820Expanding width(mm)1000Thickness(mm)0.50.60.8
ROOF AND WALL PANELSection processional moment(cm 4 /m)9.1810.7614.59Section stress-resisting capability (cm 3 /m)4.685.627.47