Titanium grade 12 (ERTi-12) alloy is molybdenum nickel alloy,it's a widely used titanium alloy. Its high strength, ability to ... -0.4 Ti rem.· APPLICATIONS Titanium Grade 12 is typically used for industrial , pressure vessels, aircraft components, compressor blades, and ... automotive and jet engine parts,and also used for welding, gas-tungsten-arc-welding (GTAW), gas-metal ...