鈦有許多明顯優(yōu)越的特性：密度小（4.5kg/m3）、熔點高（1660℃）、耐腐蝕性強、比強度高、塑性好，還可以通過合金化及熱處理的辦法制造出力學性能高的各種合金,是較為理想的航天工程結(jié)構(gòu)材料。德國鈦合金: 3.7025 3.7035 3.7055 3.7065 TiAl6V4 TiAl5Sn2 Ti1 Ti2 Ti3 Ti4 TiNi0.8Mo0.3 Ti1Pd TI2Pd Ti3Pd TiAl6Sn2Zr4Mo2Si TiAl6V6Sn2 TiAl6V4  TiAl6Zr6Mo0.5Si
TiAl5Fe2.5 TiAl5Sn2.5 TiAl4Mo4Sn2 TiAl3V2.5 3.7024 3.7034 3.7064 TiAl5Sn2 TiCu2 Ti-2Cu TiAL6Sn2Zr4Mo2  Ti-6Al-2Sn-4Zr-2Mo TiAl6Zr5 Ti-6Al-5Zr  TiAl6V4 Ti-6Al-4V  TiAL6V6Sn2 Ti-6Al-6V-2Sn Ti-4Al-4Mo-2Sn G-Ti2 G-Ti3 G-Ti4 G-Ti2Pd G-Ti3Pd G-Ti4Pd G-TiAl6Sn2Zr4Mo2Si G-TiAl6V4 G-TiAl6Zr5Mo0.5Si G-TiAl5Fe2.5  TiAl6Sn2  TiAl6V6Sn2