https://www.nickelalloytubes.com/products/pure-nickel-alloy-pipe-tube-fitting.html ALLOY 200/UNS N02200 nickel alloy fittings are manufactured from high-grade, commercially pure (99.6%) wrought nickel. ASTM B366 seamless and butt weld fittings contain low carbon amounts which allow for increased mechanical properties. Ni200 pipe also provides excellent corrosion resistance and high thermal and electrical conductivities. Nickel 200 fittings are ideal for a wide range of industries including chemical equipment, gas processing, heat exchangers, pharmaceuticals, power generation, and more. PURE NICKEL ALLOY TUBE FITTINGS PROVIDED BY YUHONG YUHONG GROUP provides best ASTM B366/ASME SB366 pure nickel alloy pipe fittings with material grade ALLOY 200/UNS N02200.