Masana'antu mai zafi
Astm A320 M Sixididdigar kayan don ƙwallon ƙafa, studs, kwayoyi, da sauran masu sauri don aikace-aikacen zazzabin zazzabi. Astm A3220 L7 maki sun kasu kashi 4, A, B, C, da D, kowannensu tare da bambancin abubuwan shakatawa. Class 660 masu ɗaukar hoto suna amfani da manyan gwanayen, tasoshin matsin lamba, tasoshin bututu da bawayen don sabis na zazzabi.
A magana da magana, kowane karfe shine reshenoy, amma ba duk masu silli ba ana kiransu "Onoy Mils". Mafi sauki sako-baƙin ƙarfe ne (fe) alamu tare da carbon (c) (kimanin 0.1% zuwa 1%, dangane da nau'in sakaci) kuma babu abin da sakaci na sakewa ta hanyar rashin daidaituwa); Waɗannan ana kiran waɗannan kirbuna. Koyaya, kalmar "alloy karfe" ita ce daidaitaccen lokacin da ake magana game da karfe tare da sauran abubuwan abubuwan ban sha'awa da aka kara da gangan ga carbon. Alloys na kowa sun hada da Manganese (Mafi yawansu guda daya), Nickel, Chromium, Molomium, Molomium, Molomium, Molomium, Molomium, Molomium, Molomium, Molomium, Molomium, Molomium, Molomium, Molomium, Molomium, Molomium, Molomium, Molomium, Molybdenum, Vanadium, Melicon, da Boron. Karancin Alumants na yau da kullun sun haɗa da alumum, cobalt, jan ƙarfe, titanium, nakasassu, jagoranci, da kuma zuriya, da kuma zuriya, da kuma zuriya, da kuma zuriya, da kuma zuriya, da Zinchui.
Astm A335 bututun aji na p91 shine babban bututu mai inganci don matsi mai ƙarfi. Tubayen P91 yana da kyau don lanƙwasa, fare ko don walda da irin wannan ayyukan. Abubuwan ƙarfe ya kamata a bi bukatun tsarin sunadarai, kaddarorin da ke da ƙarfi da ƙarfi.