Marka laga reebo tan, si fudud ayaa loo dheeliyi karaa 30% oo weli lahaayeen hawlgal aad u wanaagsan.
Hay'addan nickel steel si fudud ayaa loo been abuuraa oo laga yaabaa in lagu qurxiyo midkoodna xarkaha ama roobabkii (da ').
Hanti muhiim ah oo ah 601 Alloy waa iska caabbinta oksidation ee heerkulka ugu sarreeya illaa 1180 ¡ã. Xitaa xaalado aad u daran, sida wareegga kuleylka iyo qaboojinta, 601 ayaa sameyn kara filim aad u okside ah si loo helo iska caabin sare oo ka-goynta. Sidan 601 (Amn N06601) Waxyaabaha loo yaqaan '0l-pode-ku-saleysan' waxay leeyihiin iska caabin adag, iska caabbinta heerkulka sare iyo iska caabbinta hubedda, waxay sidoo kale leedahay guryo farsamo oo sare heerkulka sare. Oo macbudka 601-aad (FREMEL-proy ku saleysan nickel waxay leedahay xoog sare oo heerkul sare ah, iska caabin aad u fiican, iska caabbinta carruureynta iyo iska caabbinta sulkura. Gaar ahaan jawiga heerkulka daran ee isbeddelaya iyo oksidation soo noqnoqda.