Beryllium Copper Willine e kopanyang mamello e nang le thepa e phahameng haholo ha e hlaha - e thata ho isa ho 1050 mpa. Ba ka mamella khatello ea maikutlo e phahameng ea ho khopisa, e etsa hantle ka lithemparetjha tse phahameng 'me ba loantšana haholo le moferefere. Boitšoaro ba motlakase ba motlakase tsa Beryllium Copper ke 20% ics.