Iiflethi zombhobho ziqhagamshela imibhobho kunye nezinto kwinkqubo yokudibanisa ngokusebenzisa unxibelelwano olubilisiweyo kunye neegesi. Eyona nto isetyenziswayo isetyenziswayo isetyenziswa i-blonges ye-welding, iflethi yokufakelwa, iflethi eyimfama, i-felkes ye-Weltees, iflethi edibeneyo (i-rTJ ye-funges). Olu hlobo lonxibelelwano kwimibhobho ye-pume iququzelela ngokucokisekileyo kwaye ikhutshiwe kwinkonzo kunye nokugcinwa rhoqo. Eyona nto ixhaphakileyo kwi-carbon yentsimbi kunye neflethi engenasinqwazi yi-ANI B16.5 \ / Asme B16.5.