Specification of steel pipe 
 

Thickness: from 0.3mm to 3.5mm 
from 6*6mm to 100*100mm 
material: Q195-Q235
ItemSpecification
Size(outer diameter)                 Thickness                                  Length
Round Pipe                            11.8mm-355mm0.3mm-12mm                    up to 12m 
Square Pipe                  12mm*12mm-120mm*120mm0.3mm-6mm
Rectangle Pipe                 8mm*16mm-120mm*100mm0.3mm-6mm
L/T/Z window section              28mm/29mm/34mm/38mm0.5mm-2.0mm
Oval Pipe                           9.5mm*17mm-30mm*60mm0.3mm-2.0mm
Semivale Pipe                      37.5mm*23.2mm0.3mm-2.0mm
 

pipe original: china
pipe main used in: construction,fence,structural tube,window section and other parts 

Executive Standard:GB-13793-1992  BS1387  ASTM  A53  ASTM

Steel grade:Q195,Q195L,Q235 and so on 

Surfacelightly oil , include black, bright and pre-galvanized 
End clean