Grades and properties of titanium materials

With the purity of titanium increased, the strength and hardness of titanium decreased significantly. Features: chemical stability is very good, but the intensity is very low. Because of the low strength of the high purity titanium, it has a little significance in the application of structural materials, so it is seldom used in industry. Industrial pure titanium and titanium alloys are widely used in industry at present.

Industrial pure titanium: TA1, TA2, TA3
Industrial pure titanium is divided into three grades of TA1.TA2 and TA3 according to the different content of impurity. The interstitial impurity elements of these three kinds of industrial pure titanium are gradually increased, so its mechanical strength and hardness also increased gradually, but the plasticity and toughness decreased accordingly. The industrial use of pure titanium is TA2, Because its corrosion resistance and comprehensive mechanical properties are moderate. When there are high requirements to the corrosion resistance and strength, it can use TA3. For the high requirements of good molding performance, it can use TA1.

They are mainly used as high plastic stamping parts and corrosion resistant structure parts that the force is not high but the requirements is high at the working temperature of 360 degrees below. For example: the plane frame and skin, engine accessories, corrosion resistant pipe in ship, marine valve, pump, seawater desalination system components, chemical heat exchanger, pump body, distillation tower, cooler, mixer, three links, impeller, hard parts, ion pump, compressor valve and diesel engine piston, connecting rod, leaf spring and so on. When the iron content is 0.095%, the oxygen content is 0.08%, the hydrogen content is 0.0009%, the nitrogen content is 0.0062%, TA1 and TA2 have the very good low temperature toughness and the high low temperature strength, which can be used as the low temperature structure material below -259℃.