Rukunin samfuran

Anti-intercrystalline lalata: Saboda Bugu da kari na titanium, TP 321 bakin karfe welded bututu iya tsayayya da intercrystalline lalata, wanda shi ne saboda da karfi da alaka da titanium da carbon, preentially hade da carbon don samar da wani barga titanium carbide, don haka hana samuwar chromium carbide a cikin crystal iyaka, da kuma kare juriya na chromium corrosion.