Aloyi 422 stainless bar ndi chitsulo chosapanga dzimbiri cholimba, cha martensitic chomwe chimapangidwira kutentha kwautumiki mpaka 1200 F. Gululi limapanga zinthu zamakina apamwamba kwambiri pogwiritsa ntchito chithandizo cha kutentha ndipo zimapereka makulitsidwe abwino komanso kukana okosijeni. Zomwe zimagwiritsidwa ntchito nthawi zambiri zimakhala ndi zidebe ndi masamba mu makina opangira nthunzi, kutentha kwambiri kwa bolting ndi ma valve ndi ma valve.