Cold drawn seamless hollow section are seamless square tubes and seamless rectangular tubes made from circular pipes. Comparing with traditional welded hollow sections,seamless hollow sections have much better performance on strength. Technical achievements of seamless hollow sections are as follows:

Available steel grades:

Size Range: 

Rectangular Tube: 80mm*60mm-300mm*200mm

Square Tube: 70mm*70mm-250mm*250mm

W.T: ≤ 30mm

Manufacture Method: Hydraulic Cold Drawing 

Raw Material: Hot rolled seamless circular pipes

Heat Treating Method/Delivery Condition: