Limetale tsa Tungsten Alloy haholo-holo li kenyelletsa W-Ni-Fe le W-Ni-Cu, li sebelisoa haholo thepa ea sesole, tlhahiso ea mechine, likarolo tsa lifofane, lithebe tsa bongaka le thepa ea lipapali.

Alloy ea rona ea W-Ni-Fe e sebelisoa ho collimator le likarolo tse sireletsang ho fana ka tšireletso khahlanong le mahlaseli a X-ray le γ-ray. Sehlahisoa se entsoeng ka tungsten, nickel le koporo, se ikhetha ka lebaka la boits'oaro ba sona bo se nang makenete. Thepa ena e sebelisoa libakeng ho qoba tšitiso ea makenete.