... .com, nickel pipeline project, nickel welding pipe, nickel tube, nickel seamless tube, astm b161 uns n02200 nickel tubes ... with our factory and company. Product Nickel Pipe/Tube Type Seamless Tube Welding Tube Grade Ni201,Ni200, UNS N02200, UNS N02201 ... SCH160 Standard ASTM ,DIN,EN.JIS,GB Technique Welding, Extrusion Surface Finished Pickling, Polish Application petroleum, chemical ...