A182 F5 F9 FT11 F22 F91 Alulloy Karfe Weld Fittings
Misali, bugu da molybdenum a cikin allon karfe flanges, yana ba da ingantacciyar ƙarfin abu.
Bulgaria
Kuroshiya
Yar tudu
Danish
Abun ban sha'awa a cikin bututun p95 na P9 yana mai matuƙar tsayayya da lalata. Saboda haka, A335 p9 yana da kyakkyawan zafin jiki high zazzabi juriya. Baya ga Chrome, Astm A335 p9 Al9 Al9 Al9 Al9 Al9hoy Karfe Pipe mai rufi tare da baki fenti ko anti-morrous yana nuna kyawawan lalata juriya. Hakanan za'a iya samun galatar da zinc. Galbanizing yana kara juriya ga lalata a kan atmospheric.
Faransanci
Karfe masu kira