... Galvanized Steel Pipe 2. Size:14580*0.12-2*6000mm 3. Zinc coat: Z60,Z80,Z120,Z180 1.Hot Dipped Galvanized Steel ... Galvanized Steel Pipe ConstructionOutside: Workshop, agricultural warehouse, residential precast unit, corrugated roof, roller shutter door, rainwater drainage pipe, retailer boothInside: Door, door case, light steel ... equipment. Wear resistant steel, high- strength - steel plate.