• Steel beam: H-shaped steel, Q235/Q345B, with 100um Zinc Rich Epoxy Primer finish and surface painting.• Tie rod: It is used to reinforcing the stability of steel beam and column & column. Normally use Q235 round steel tube φ89mm, or two C-shaped steel j
API 5L Psl1 Line Pipe;API 5L lined pipe cover seamless and welded carbon steel line pipe which suitable for use in conveying gas and oil industry. Our factory can offer high quality API5L line pipe to all of worlds with API certificate.