Place of Origin : Changsha,China
Usage:
1. Construction: Hall Structure, Sea Trestle, Airport Structure, Shipbuilding, Security Door Frames, Garage Doors, Strengthening Liners of Steel Doors and Windows, Indoor Partition Walls, Cable Bridge Structures and Expressway Safety Guards, Balustrade, Decorating, Residential, Ornamental Pipes
2. Automotive Parts: Motorcar Case, Car and Bus Manufacture, Vehicles
Quality Standard:
GB/T 13793 Longitudinal Electric Resistance Welded Steel Tubes
GB/T 6728 Cold Formed Steel Hollow Sections For General Structure--Dimensions,shapes,weight And Permissible Deviations
ASTM A500 Cold Formed Welded And Seamless Carbon Steel Steel Structural Tubing In Round And Shapes
ASTM A 53 Standard Specification For Pipe, Steel, Black And Hot-Dipped, Zinc-Coated, Welded And Seamless
EN10210 Hot Finished Structural Hollow Sections Of Non-alloy And Fine Grain Structural Steels
EN 10219 Cold Formed Welded Structural Hollow Sections Of Non-alloy And Fine Grain Steels
JIS G 3466 Carbon Steel Square For General Structural Purposes
BS 1387 Steel Tubes For Use For Water, Gas, Air And Steam
BS 6323 PART5 SEAMLESS AND WELDED STEEL TUBES FOR AUTOMOBILE MECHANICAL AND GENERAL ENGINEER PURPOSE
IS : 1161 Steel Tubes For Structural Purpose And Electric Poles.
IS : 3601 Steel Tubes For Mechanical & General Engineering Purposes.
IS : 3074 Steel Tubes For Automobile Purpose.
IS : 4923 Steel Tubes For Hollow Sections Used In Structures
DIN 1626 WELDED CIRCULAR TUBES OF NON ALLOY STEELS WITH
