Bututun ƙarfe mara nauyi suna taka muhimmiyar rawa a aikace-aikacen masana'antu, daEN 10210da EN 10216 ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙa'idodi guda biyu ne a cikin ƙa'idodin Turai, waɗanda ke yin niyya ga bututun ƙarfe marasa ƙarfi don tsari da amfani da matsa lamba bi da bi.

EN 10210 Standard
Abu da abun da ke ciki:
TheEN 10210mizanin ya shafi bututun ƙarfe mara nauyi mai zafi don tsarin. Abubuwan gama gari sun haɗa da S235JRH, S275J0H,Saukewa: S355J2H, da dai sauransu Babban abubuwan haɗin gwal na waɗannan kayan sun haɗa da carbon (C), manganese (Mn), silicon (Si), da dai sauransu. Ƙayyadadden abun da ke ciki ya bambanta bisa ga nau'i daban-daban. Misali, abun cikin carbon na S355J2H bai wuce 0.22% ba, kuma abun ciki na manganese kusan 1.6%.

Dubawa da ƙare samfuran:
EN 10210bututun ƙarfe suna buƙatar yin gwaje-gwajen kaddarorin injiniyoyi masu tsauri, gami da ƙarfin ƙarfi, ƙarfin yawan amfanin ƙasa da gwaje-gwajen tsawo. Bugu da ƙari, ana buƙatar gwajin ƙarfin tasiri don tabbatar da aiki a cikin ƙananan yanayin zafi. Dole ne samfurin da aka gama ya cika juzu'ai da buƙatun ingancin saman da aka kayyade a cikin ma'auni, kuma saman yawanci ana tabbatar da tsatsa.

EN 10216 Standard
Abu da abun da ke ciki:
Ma'aunin EN 10216 ya shafi bututun ƙarfe marasa ƙarfi don amfani da matsa lamba. Abubuwan gama gari sun haɗa da P235GH, P265GH, 16Mo3, da dai sauransu Waɗannan kayan sun ƙunshi abubuwa daban-daban na alloying. Misali, P235GH yana da abun ciki na carbon wanda bai wuce 0.16% ba kuma ya ƙunshi manganese da silicon; 16Mo3 ya ƙunshi molybdenum (Mo) da manganese, kuma yana da mafi girman juriya na zafi.

Dubawa da ƙare samfuran:
TS EN 10216 bututun ƙarfe yana buƙatar wuce jerin tsauraran hanyoyin bincike, gami da nazarin abubuwan da ke tattare da sinadarai, gwajin kadarorin inji da gwajin marasa lalacewa (kamar gwajin ultrasonic da gwajin X-ray). Ƙarshen bututun ƙarfe dole ne ya dace da buƙatun daidaiton girman girman da juriya kauri na bango, kuma yawanci yana buƙatar gwajin hydrostatic don tabbatar da amincin sa a cikin yanayin matsa lamba.

Takaitawa
TheEN 10210Ka'idojin TS EN 10216 don bututun ƙarfe mara nauyi don tsari da bututun ƙarfe na matsin lamba bi da bi, suna rufe buƙatun abubuwa daban-daban da abubuwan abun ciki. Ta hanyar tsauraran matakan bincike da gwaje-gwaje, ana tabbatar da kayan aikin injiniya da amincin bututun ƙarfe. Waɗannan ka'idodin suna ba da ingantaccen tushe don zaɓin bututun ƙarfe a cikin aikace-aikacen masana'antu daban-daban, tabbatar da aminci da kwanciyar hankali na aikin.