Gasket ɗin jan ƙarfe shine gasket tare da diamita na waje na +0.0 ~ -0.1. Ana sarrafa gasket ɗin jan ƙarfe mai ƙarfi ta hanyar yankan injin da sauran hanyoyin, kuma ingantaccen sassaucin sa na iya cika ɓangaren mara daidaituwa na farfajiyar flange.Faɗin zafin jiki na aikace-aikacen da ƙarancin yatsa.Mun samar da daban-daban bayani dalla-dalla da kuma iri m jan karfe gaskets, da kuma zabi daban-daban tagulla kayayyakin don kera gaskets bisa ga abokin ciniki bukatun.Misali: jan jan karfe, tagulla, aluminum, da dai sauransu.