This Standard specifies the range, classification, code, technical requirements, dimension, shape, weight, allowable deviation and labeling of cold formed steel hollow section for general structure.
This Standard is applicable to cold formed steel which produced through cold or hot rolled steel plates and strips on continuous roller-type cold-bending mill by cold working deformation.
The cold formed steel hollow section in this Standard mainly uses high-frequency resistance welding, can also use argon arc welding or other welding methods.
This Standard is not applicable to the cold formed steel which produced by drawing, stamping and fold bending, etc.
