Alloy abbreviated name

Metallic specie (mass percent)

Ti

V

Al

Mo

Zr

Nb

Sn

Cr

Fe

Ni

Cu

Others

TA

~99

<1

TB

~89

~4

~6

<1

TC

~79

~5

~5

~5

<1.5

<1.5

~3

<1

TD

~85

~6

~2

~4

~2

<1

IA

17 to 19

60 to 70

10 to 20

IB

14 to 15

70 to 78

4 to 6

2.5 to 4.5