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Address: Xinnan Village,Yaoguan Town,Wujin Dist,Changzhou City,Jiangsu Province,China

Tel: +86 519 8877 1678  

Fax: +86 519 8877 4001

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Seamless Hollow Section


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:

Seamless Hollow Section.jpg

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:

Seamless Hollow Section1.jpg


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    Changzhou Chengxin Metal Products Co.,Ltd