Titanium Bar. Available here in various lengths and diameters. Perfect for custom projects, this incredible material is not only strong but 45% lighter than steel and offers excellent corrosion resistance, to lend itself to an array of applications. Aircraft grade titanium 6AL-4V Grade 5 has a density of 0.160 pounds per cubic inch. It can be heat-treated to ultimate strengths in excess of 170,000psi and responds to heat treatment in sections up to 15mm. This alloy is stable at temperatures ranging from 423o F to over 1000o F.