Material:Q195,Q215,Q235B,Q345,Q39,16Mn,20# ,45#,20MN2,SS400,ST52-3.
Grade:Q195,Q215,Q235B,Q345,Q39,16Mn,20# ,45#,20MN2,SS400,ST52-3.
Surface:Black,Pre-galvanized,Hot dip galvanized,Electro galvanized,Painted,Threaded,Socket,Engraved.
Zinc Coating:30-275g/m2
Usage:Construction ,Structure,Building construction,machine manufacturing,Electrical,Chemical industry
Application:Fluid Pipe
Section Shape:Square/Rectangular
Outer Diameter:10*10mm-1000*1000mm/10*20mm-500*1000mm
Thickness:0.6-30 mm
Standard:GB/T6728-2002,ASTM A500 GR.A.B.C,JIS S3466