Galvanized Steel Pipes 4" x 3.75 & Pre-Galvanized Pipe by Hebei Borun Steel Trade Co. Ltd offer top-quality construction materials. Our pipes, with Out Diameter from 1/2 to 24 inches, meet various industry standards and steel grades.

With reliable zinc coating options, they are perfect for water, gas, and oil transport, as well as greenhouse construction.

• Out Diameter: 1/2-24?( 21.3mm-610mm)
  
• Wall Thickness: SCH10, SCH30, SCH40, STD, XS, SCH80, SCH160, XXS etc.
  
• Standard: BS1387, ASTMA53/A106/500,API 5L,GOST8731/8732, G3457,EN10255/10219, GB/T13912, EN39,
• EN ISO 1461, DIN2391, IS2062, AS/NZ 4680
  
• Steel Grade: A106, A53, A179, A192, Q195/Q215/Q235/Q345, ST37/44/52, S355, S235, S275 and so on
  
• Zinc Coating: Pre-galvanized type: 60-150g/m2 — Hot-dipped galvanized type: 200-500g/m2 — Cold-
• dipped galvanized type: 10-50g/ m2
  
• Pipe Section form: Round/Square/Rectangular/ oval
  
• Ends: thread( screw) with coupling; plain; beveled
  
• Application: 1. For reduced pressure liquid shipment such as water, gas and oil 2. For building and construction, e.g building greenhouse