... month. 3: fluid tube,boiler tube Carbon steel, and alloy steelStandardASTM/DIN/GB/JIS/BSSizeDN15-1000mmThickness0.8-27. ... ° 180°SurfaceAccording to your requirementTypesElbow,reducer,tee,flange,steel pipe,bend,steelbar..EndBeveled or square cut plastic capedPackingIn ... tube10#,20#,Q295,Q345,Q390300006Structural use of seamless steel tubes10#~45#,40Mn2,35Cr,35CrMo500007Hydraulic pillar tube, cylinder ...