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Titanium has low density, high melting point, poor thermal conductivity and electrical conductivity, similar to or slightly lower than stainless steel, titanium has superconductivity, the critical temperature of superconductivity of pure titanium is 0.38~0.4K. Titanium is a nonmagnetic substance.
Titanium has plasticity, high purity titanium elongation can reach 50%~60%, area shrinkage can reach 70%~80%, but low strength, not suitable for structural materials. The existence of impurities in titanium has a great influence on its mechanical properties, especially the gap impurities (oxygen, nitrogen, carbon) can greatly improve the strength of titanium, significantly reduce its plasticity. The good mechanical properties of titanium as a structural material are achieved by strictly controlling the appropriate impurity content and adding alloying elements.