UNS R50250, W.Nr. 3.7025, (99.8 Ti)
Titanium Grade 1 is the softest, unalloyed grade of titanium with the lowest strength and highest ductility. It’s weldable, cold formability and an impact-resistant alloy. Titanium Grade 1 has good resistance to mildly reducing conditions and very good resistance to strong oxidizing environment with or without chlorides. The alloy is used for a variety of applications, including for plate heat exchangers, chemical equipment, chlorine production, desalination and anodes.
Recommended filler metal for welding is Titanium AWS A5.16-90 ERTi-1.