Material: Welded pipe 16Mn, Shaft 38CrMoAl, 45# steel, Hardfaced inside pipe Sizes: DN180,DN200, DN205, DN230, DN235, DN260 Wall Thickness:4.0/ 4.5/ 5.0/6.0/ 7.0mm Length: 1m, 2m, 3m,4m or according to client’s requirements Welding technique: automatic welding Surface Treatment: powder painted and baked Working Pressure: SK type: 85-120 bar ZX type: over 130 bar Hardness: 58-62 HRC