Specifications

Cold Formed Structural Hollow Section
Standard:GB/T6728-2002,GB/T3094,DIN EN10219,DIN EN10210
JIS G3466,ASTMA500

1)COLD FORMED HOLLOW SECTION SPECIFICATIONS

 

2)MANUFACTURE PROCESS

Rooling unformed and smoothing-----Cutting and Welding----Vertieal snip----Spiral accumulattor----molding---High frencency heating extrusion---water cooling---deburring---shapping----detection---oil coating----Straight ruler----Inspection----Stenciling----Packing and storage.

 

3)Manufacture Standards

 JIS G 3466 (Japan)Carbon Steel Square Pipes For General Struactural Purposes

 DIN EN 10210 (Europe) Hot finished Structural Hollow Sections Of Non-alloy and fine grain steels

 DIN EN  10219(Europe)Cold Formed Welded Structural hollow Sections of non-alloy and fine grain steels

 ASTM A500 Cold formed Structural Circular Sections and Special Sections(welded/seamless)

GB/T 3094-2000  Cold Drawn Formed Steel Tube

GB/T6728-2002   Cold Formed Structural Hollow Section

 

4)APPLICATIONS

 

5)PICTURES