Flute profile channel -section steel

The utility model discloses a flute profile channel -section steel, comprising steel plates, the top surface of steel sheet is provided with the mounting hole, the both sides surface of steel sheet isprovided with the strengthening rib, the bottom both ends of steel sheet respectively are provided with an interior turn -up the utility model provides 1.5 the dark flute profile channel -section steel of millimeter rolls up board Q235B clod wash processing by heat to form, and intensity is high, and bearing capacity is good, compare with traditional channel -section steel, but the same strengthmaterial saving 30%, the tensile strength and the bending resistance of axial strengthening rib design having increased channel -section steel, the tooth depth 1.5 millimeter of the sawtooth design ofthe involute edge of channel -section steel, the actual zinc -plating back degree of depth can reach 1.2 millimeters, effectively the cling compound, shock resistance, shear, reinforcing entire system connection reliability, s