Nickel alloy gaisuwa
Astm A194 Class 2h kututtuka ne carbon buye karfe nauyi kwayoyi. Sa194-2h abu shine babban ƙarfin goro mai ƙarfi. Wannan takamaiman ma'anar ATM A194 Class 2h Washers ana amfani dashi a matsayin haɗin tare da ƙa'idodin Fastener - Class na A325, A490, A490, A490.
Sakamakon sunadarai na molybdenum (mo) da Chromium (cr), ana kiransa A335 yayin da ake magana a kai kamar yadda Chromium Moolybdenum bututu. Molybdenum yana ƙara ƙarfin ƙarfe da kuma iyaka na roba, sanye da juriya, ingancin tasiri da ƙarfi. Molybdenum yana ƙaruwa zuwa juriya ga mai laushi, yana hana ci gaban hatsi, kuma yana sanya Chromium Karfe ƙasa mai saukin kamuwa. Molybdenum shine mafi inganci sau ɗaya don inganta ƙarfin zazzabi na zazzabi. Hakanan inganta juriya daga lalata ƙarfe da kuma hana ciwon lalata. Chromium (ko Chrome) shine ainihin bangaren ƙarfe na bakin karfe. Duk wani karfe tare da 12% ko fiye chromium ana ganin bakin karfe. Chromium kusan ba a iya amfani dashi ba dangane da juriya ga tsayayya ga hadawa da hadawa a tsananin yanayin zafi. Chromumum yana ƙaruwa da tensile, yawan amfanin ƙasa da ƙarfi a ɗakin zazzabi.