Steel Pipes, Pipes Fittings, Socket Fittings manufacturer / supplier in China, offering ASTM A694 F52 A105 Forged Hollow Cylinder Forging Cylinder, ANSI B16.5 150# RF A694 F42 F52 F62 F70 3 Inch Sch 160 Welding Neck Flange, Nickel Elbow 90° 10" Sch Std 40s Bw ASME B16.9 B366 Gr. Wpnc N04400 Monel 400 and so on.