Tantalum-10% Tungsten(Ta-10W) is used in the aerospace industry for hot-gas valves, rocket engine skirts and in the chemical industry for corrosion resistant valves and liners.

CHEMICAL COMPOSITION ACCORDING TO ASTM B365 92 R05255 AS FOLLOWS:

 

Tantalum(Ta)

Remainder

Tungsten(W)

9.00-11.00%

Carbon (C)

0.0100%max

Oxygen (O)

0.0150%max

Nitrogen (N)

0.0100%max

Hydrogen(H)

0.0020%max

Niobium (Nb)

0.1000%max

Iron (Fe)

0.0100%max

Titanium(Ti)

0.0100%max