Seamless Steel Pipes, Welded Steel Pipes, Steel Pipe Fittings manufacturer / supplier in China, offering 45° Elbows Pipe Fittings 45degree Elbows Pipe Fitttings Used for Pipeline Construction A234wpb Elbows A420 Elbows, Hastelloy C276 C22 Incoloy 800 825 Inconel 600 601 617 625 713 718 725 Monel 400 K500 Nitronic 30 60 90 Alloy Steel Plate Sheet, ASME B16.5 A105n Sorf Flange DN450 Cl150 and so on.