HT ASTM A403 WP317L-S 6 "Sch40s Asme B16.9 Kutentha No.77329
Mu chitsulo chosapanga dzimbiri chimatentha kuchokera ku udzu umakhumudwitsa maziko a chitsulo kutentha. Kuzindikira ndi momwe ¡° ch cemium¡ ± m'mbuyomu momwe adasinthira ndikupanga chromium carbide (yomwe ili boma.
Zitsulo zosapanga dzimbiri ndi zinthu zosalimbana kwambiri, koma zimatha kupirira chiwonetsero cha nthawi yayitali ngati chili ndi malo ake. Pa malo ambiri, 304 ndi chisankho chachuma komanso chothandiza. Mtundu 304L ndi mtundu wotsika kaboni wa 304. Amagwiritsidwa ntchito pazinthu zolemera kuti athandize kugulitsa. Zogulitsa zina, monga mabatani ndi machubu, zimapezeka kuti "zinthu ziwiri zotsimikizika" ku 254 ndi 304l miyezo. Ili ndi zochulukirapo za nickel, nthawi zambiri zapakati pa 8 ndi 10,5 peresenti, komanso chromium yozungulira 18 mpaka 20 peresenti.