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Application Fluid Pipe, Boiler Pipe, Hydraulic Pipe, Gas Pipe, Oil Pipe, Chemical Fertilizer Pipe Standard API 5L,ASTM A53-2007,ASTM A671-2006,ASTMA52-1998,A450-1996, Alloy Or Not Non-Alloy Grade 10#,20#,45#,16Mn,A53,Q235,Q345,Q195,Q215, etc. Section Shape Square Technique ERW Tolerance ±1% Surface Treatment Galvanized Certificate ISO 9001, Gs, JIS Special Pipe Thick Wall Pipe Oiled or Non-oiled Non-oiled Processing Service Welding, Cutting, Bending […]




