合金牌号名义化学成分化学成分含量，%主要成分杂质，不大于TiAlSnMoVMnZrSiNdFeCNHO其他元素单一总和TA11Ti-8AL-1Mo-1V余7.35~8.350.75~1.250.75~1.250.300.080.050.0150.120.100.40TA12Ti-5.5Al-4Sn-2Zr-1Mo-1Nd-0.25Si余4.8~6.03.7~4.70.75~1.251.5~2.50.2~0.350.6~1.20.250.080.050.01250.150.100.40TA12-1Ti-5.0Al-4Sn-2Zr-1.5Mo-1Nd-0.25Si余4.5~5.53.7~4.71.0~2.01.5~2.50.2~0.350.6~1.20.250.080.040.01250.150.100.30TA13Ti-2.5Cu余2.0~3.00.200.080.050.0100.200.100.30TA14Ti-2.3Al-11Sn-5Zr-1Mo-0.2Si余2.0~2.510.5~11.50.8~1.24.0~6.00.10~0.500.200.080.050.01250.200.100.30TA15Ti-6.5Al-1Mo-1V-2Zr余5.5~7.10.5~2.00.8~2.51.5~2.5≤0.150.250.080.050.0150.150.100.30TA15-1Ti-2.5Al-1Mo-1V-1.5Zr余2.0~3.00.5~1.50.5~1.51.0~2.0≤0.100.150.050.040.0030.120.100.30)