We specialize in the production and study of S355/ Q345/ A500/ STKR490 welded steel pipe and seamless pipe, Square steel pipe, rectangular steel pipe, straight seam welded steel pipe, spiral welded pipe, we can supply the following specifications, standards, material steel:  Square steel tube: 30 * 30-800 * 800mm ,wall thickness :3.0-30mm,
rectangular steel tube: 50 * 30-800 * 300 ,wall thickness :3.0-30mm
ERW Pipe: ?48-1420mm ,wall thickness :2.5-60mm
seamless steel pipe: ?60-1020mm, wall thickness 3.0-60mm
EN10210 EN10219: S235JRH S275 S275J2H S355JOH S355J2
ASTM A500: A B C D
JIS G3466 STKR: 400 490
GB/T6728-2002 GB/T3094-2012: Q235B Q345B Q345D
We have an experienced sales team and R & D team that can produce pipes according to your requirements of various specifications, materials, standard steel. With our 10 years of work experience and expertise to provide you with the best quality, inexpensive steel pipe, providing high-speed and efficient transport service, so that reduce costs and time for your purchases in China steel pipe. (There are more products!)