Established in year 2009,Bossen specializes in various kinds of steel pipes and steel concerned building materials. With an experienced, dynamic and high efficient team, our products are well-received worldwide.
We have our own factory–Tianjin Youyong Steel Pipe Co.,Ltd,which is a specialized enterprise for manufacturing longitudinal ERW steel pipe and galvanized steel pipe. The factory invests RMB150,000,000 yuan in total, covers an area of 110,000 square meters and owns more than 500 employees at present, including more than 50 main managerial personnel and production technical personnel.
Our factory now has 8 longitudinal ERW steel pipe production lines and 5 galvanizing production lines and it is capable of producing 300,000 metric tons of longitudinal ERW steel pipe a year and 200,000 metric tons of galvanized steel pipe a year.
Our factory has advanced pipe manufacturing production line, perfect inspection equipment and strictly specified quality assurance system. The company has obtained Certificate of ISO9001:2000 International Quality System and BV Certificate, etc.
Shijiazhuang Teneng Electrical & Mechanical Equipment Co., Ltd
The mill is intended for manufacturing of round pipe of 19mm-Φ76mm with thickness of 0.8mm–4.0mm from cold-rolled and hot-rolled coil strip by means of unclosed tubular blank with its subsequent welding into tube, edge heating by means of solid state high-frequency welder, longitudinal seam welding in rolls of tube welding machine, cooling, further sizing or shaping and on-stream cutting of endless tube in measured lengths.Finished product will be of round, square or rectangular pipe.
2. The technical flow of the production line
Steel Tape→→ Double-head un-coiler →→Strip-head Cutter and welder→→Spiral accumulator→→Forming section（Flattening unit +Main driving unit +Forming unit +Guide unit +High frequency induction welding unit +squeeze roller）+ De-burr frame →→Cooling unit →→Sizing unit and straightener →→Flying saw under computer-control →→ Run-out table
a.Round Pipe: Φ19-Φ76mm
b.Pipe Thickness: 0.8– 4.0mm
c.Square Pipe: 20X20mm –60X60mm
d.Rectangle Pipe: 15X25mm –40X80mm
e.Pipe Thickness: 0.8–3.0mm
f.Pipe Length: 5.0~7.0m
Steel Tape Specification
Material: Low Carbon steel & Galvanized steel (δb≤500Mpa, δs≤235Mpa)
Steel Tape: Inner diameter: Φ508-Φ610mm
Outer diameter: Φmax=1500mm
Strip steel width: 40mm-240mm
Strip steel thickness: 0.8mm-4.0mm
The maximum weight: 4.0tons