... : 0.8-18mm 4.Theoretical Mass: 0.273-235kg/m Square pipe 1. Grade: Q195 Q235 Q3452. Side Length: 12-500mm3. ... ,H Beam etc.) , various of sheets/coil (like Galvanized Steel Plate, Preprinted Galvanized Steel Coil, Hot Rolled Steel Plate , Cold rolled steel ... Plate etc.) ,different kinds of pipes (like Seamless Steel Pipe ,Welded Steel Pipe ,Square/Rectangle Steel Tube etc.) ,Light/Heavy Steel Rail and ...