hat
ERTi-5 Titàn (Ti 6AL-4V), ki te rele "6-4", se plis komen klas lajman itilize alyaj akòz li ba konbinazon ak bon relativman ki lè.
eng
ERTi-5 Titanium(Ti 6AL-4V), commonly called "6-4," is the most common and widely used alloy grade due to its relatively low cost and good availability.