A known grade of Titanium is Titanium Gr 12 Tubes with the universal specification ASTM B338 and is categorized as UNS R56320 because of its extraordinary strength-to-weight ratio, superior corrosion resistance, and superior weldability. The tubes are made of titanium with 3 percent of aluminum and 2.5 percent of vanadium which provide a mechanical property somewhere between that of c... https://www.hindco.co.in/titanium-gr-12-tubes-manufacturer-exporter-supplier-stockist.html