Usage and standard of Structural Steel Pipe

Shape: Hollow Sections: Square Tube and Rectangular Tube Round Pipe     Usage: 1.Construction: Hall Structure, Sea Trestle, Airport Structural steel pipe, Shipbuilding, Security Door Frames, Garage Doors, Strengthening Liners of Steel Doors and Windows,Decorating, Residential, Ornamental structural steel pipe 2.Automotive Parts:Motorcar Case,Car and Bus Manufacture, Vehicles 3.Agriculture: Agricultural Equipment 4.Industry:Machinery,Solar Stent, Offshore Oil Field, Mine Equipment, Electromechanical Hardware , heavy engineering, Mining and Resources, Process Engineering 5.Traffic:Walking Rails, Roll-up Doors, Guardrail, Plaza Structure, Signage, Road Furniture, Fencing 6.Logistics Storage: Supermarket Shelves, Containers, Transport Industries, Commercial Construction 7.Other: Sports Apparatus, Leisure Equipment, Furniture, School Furniture     Quality Standard:   1.ASTM A500 Cold Formed Welded and Seamless structural Steel pipe ; 2.ASTM A 53 Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless structural steel pipe; 3.EN 10210 Hot finished structural hollow sections of non-alloy and fine grain structural steel pipe; 4.EN 10219 Cold formed welded structural hollow sections of non-alloy and fine grain steels ; 5.JIS G 3466 Carbon steel Square for general structural purposes ; 6.BS 1387 Steel Tubes for use for Water, Gas, Air and Steam 7.DIN 1626: Welded Circular tubes of non alloy steels with special quality standard; 8.DIN 2394: Welded and sized precision steel tubes;   Size: Square:10 mmx10mm - 500 mmx500mm Rectangular:10mm x 20mm - 600mmx500mm Round: 1/8" - 4" Wall Thickness: 0.5 - 20.0mm Length:0.3 mtr - 18 mtr as customer required