Zhejiang Bewell Steel Industry Co., Ltd. is a high quality 316TI Welded Rectangular Tube manufacturer in China, producing and selling Bewell® square pipes, welded square pipes, galvanized square pipes and other products all year round. The company has several production lines and square pipes are our main products. Integrating longitudinal shearing and calendering, cold bending and welding, we use high quality cold and hot coiled plates, medium thickness steel plates and advanced equipment to produce various specifications and models of high frequency square pipes, you are welcome to inquire.
Bewell® 316TI Welded Rectangular Tube, also known as welded pipe, is a square tube made of steel plates or strips that have been rolled into shape and then welded. The production process of welded square tube is simple, high production efficiency, many varieties of specifications, less equipment capital, welcome to buy.
Standard |
ASTM A554,ASTM A312,ASTM A249,ASTM A790,ASTM A688, ASTM A269,ASTM A268, JIS G3463-2006,ASTM A651 |
Grade |
201,202,304,316,316L, 409L,430,410, 444,445J2,44660,S31803,S32750 |
Size Range |
OD:6.35mm-160mm WT:0.15mm-3mm |
Certification |
ISO9001:2008,TUV,SGS |
Tolerance |
a) Outer Diameter: +/- 0.2mm |
b) Thickness: +/- 0.02mm |
|
c) Length: +/- 5mm |
|
Surface |
180G, 320G, Satin,400G, 600G ,2B,BA |
Application |
Power station, cooling tower, underfloor heating ,heat recovery system, especially high Chloride seawater heat exchanger. |
Test |
Raw material checking, extended test, Hydraulic test, crystal rot test, Pneumatic test , Eddy Current test, TX-ray test. Tension test |
Production equipment |
W+O forming, welding seam tracking, multi-cathode TIG welding, molten pool electromagnetic stirring technology, endoscope welding with monitoring, online welding with inside and outside rolling, online annealing, micron grade laser calipering, encoder-based high-precision sizing, internal polishing. |
Complete specifications
Anti corrosion
(3)good appearance quality
(4)Good expansion