The dinki karfe bututu dabututu mara nauyiana rarraba su bisa ga tsarin sarrafawa.The dinki karfe bututu ne gaba ɗaya welded.Bututun ƙarfe mara nauyi yana da hanyoyi guda biyu na zane mai sanyi da mirgina mai zafi.The carbon karfe bututu ne cikin sharuddan abu, da galvanized bututu ne surface na welded bututu da aka galvanized bayan samarwa.

Gabaɗaya magana, ana amfani da bututun ƙarfe mara ƙarfi ga waɗanda ke da buƙatu masu girma akan mai ɗaukar kaya, kamar matsa lamba, muhalli, kiyayewa, lalata, da zafin jiki.Ana amfani da bututun ƙarfe don waɗanda ke da ƙarancin matsa lamba da buƙatun zafin jiki, kamar bututun ruwa na gida da bututun iskar gas.