Tungsten u'amea mamafa e tele ma Tungsten anotusi 85% -97% ma faʻaopoopo i mea Ni, Fe, Cu, Co, Mo, Cr.Ole mamafa ole va ole 16.8-18.8g/cm³.O a tatou oloa e masani ona vaevaeina i ni fa'asologa se lua: W-Ni-Fe, W-Ni-Co (magnetic), ma le W-Ni-Cu (non-magnetic).Matou te gaosia le tele o Tungsten vaega mamafa mamafa e le CIP, vaega laiti eseese e ala i le faʻapipiʻiina, faʻafefe,