Also Read: Titanium Vs Stainless Steel: Which Metal is Right for Your Project? Aluminum Vs Titanium, What is difference? Distinguishing titanium from austenitic stainless steel or aluminum is quite difficult. Especially if you have one sample and there is nothing to compare with. All three metals are paramagnetic and do not react to a magnet, have a silvery color and similar specific gravity. But there are some simple