Typical Specification of Tantalum Ingots
produced by 2-4 times electron beam melting from capacitor scrap.

Size: 260x110x15mm
Impurities ppm
Nb 350-670
Ti <2
Si <10
Al <5
Fe 2-30
Ni <1-2
Mn <1
Cu <2-5
W 20-35
Mo 3-15
Pb <5
O2 <0.1%
Ta > 99.95%