Ana ba da farantin karfen da aka saka ta mahallin mahalli

Makullin anka gabaɗaya suna amfani da Q235, Q345, wato, zagaye mai haske. Ba na tsammanin na ga ana amfani da zaren tukuna, amma ba idan ƙarfin ya buƙaci shi ba. Rebar (Q345) yana da ƙarfi sosai, yin zaren goro ba shi da sauƙi kamar zagaye mai haske. Don madaurin anka zagaye, zurfin da aka binne shine gabaɗaya sau 25 diamita, sa'an nan kuma yin ƙugiya digiri 90 game da tsayin 120mm. Idan diamita na kulle yana da girma sosai (kamar 45mm) wanda aka binne ya yi zurfi sosai, zaku iya walda farantin murabba'in a ƙarshen kullin, wato, babban kai zai iya zama (amma akwai wasu buƙatu). Zurfin da aka binne da ƙugiya mai lanƙwasa shine don tabbatar da rikici tsakanin kullun da tushe, don kada ya fitar da lalacewa. Sabili da haka, ƙarfin ƙwanƙwasa na ƙwanƙwasa ƙwanƙwasa shine ƙarfin juzu'i na zagaye na ƙarfe da kansa, girman girman daidai yake da yanki na giciye wanda aka ninka ta hanyar ƙirar ƙira na ƙarfin ƙarfin ƙarfi (140MPa) shine ƙirar ƙyalli mai ƙyalli. Matsakaicin ƙarfin ƙarfi na ƙarshe shine yanki na giciye (a cikin wannan yanayin, yanki mai tasiri a zaren) wanda aka ninka ta ƙarfin ƙarfin ƙarfe (ƙarfin ƙarfi na Q235 shine 235MPa). Kamar yadda ƙimar ƙira ta kasance mai ban sha'awa ga aminci, ƙarfin juzu'i na ƙira ya kasance ƙasa da ƙarfin ƙarfi na ƙarshe.