Rectangular tube :

  rectangular steel tube, rectangular tube sizes, hollow rectangular steel tube

(1)Welded steel pipe:the outside diameter from 20mm to 426mm, wall thickness from 0.5mm to 12mm.

(2)Square steel tube:the outside diameter from 10mm*10mm to 200mm*200mm, wall thickness from 0.6mm to 12mm.

(3)Rectangular steel tube: the outside diameter from 10mm*20mm to 200mm*400mm, wall thickness from 0.5mm to 12mm.

(4)Spiral steel pipe: the outside diameter from 219mm to 1620mm, wall thickness from 4.5mm to 12mm.

Materials :Q215 Q195 Q345 S

standards:GB/T3091-2001

Surface:oiled or black painted to prevent rust

Application:Crude oil pipelines,Natural gas pipelines ,Water supply lines.Foundation pipes ,industrial pipelines networks ,Steel constructrutures,etc.