Bututun ƙarfe marasa sumul suna taka muhimmiyar rawa a aikace-aikacen masana'antu, kumaEN 10210da EN 10216 ƙayyadaddun bayanai guda biyu ne da aka saba amfani da su a ƙa'idodin Turai, waɗanda ke nufin bututun ƙarfe marasa matsala don amfani da tsari da matsin lamba bi da bi.

Daidaitaccen EN 10210
Kayan aiki da abun da ke ciki:
TheEN 10210Tsarin ya shafi bututun ƙarfe marasa tsari mai zafi don gine-gine. Kayan da aka saba amfani da su sun haɗa da S235JRH, S275J0H,S355J2H, da sauransu. Manyan abubuwan da ke cikin waɗannan kayan sun haɗa da carbon (C), manganese (Mn), silicon (Si), da sauransu. Takamaiman abun da ke ciki ya bambanta bisa ga ma'auni daban-daban. Misali, sinadarin carbon na S355J2H bai wuce 0.22% ba, kuma sinadarin manganese yana da kusan 1.6%.

Dubawa da kuma samfuran da aka gama:
EN 10210Bututun ƙarfe suna buƙatar yin gwaje-gwaje masu tsauri na kayan injiniya, gami da ƙarfin juriya, ƙarfin samarwa da kuma gwaje-gwajen tsayi. Bugu da ƙari, ana buƙatar gwaje-gwajen tauri don tabbatar da aiki a yanayin zafi mai ƙarancin zafi. Samfurin da aka gama dole ne ya cika buƙatun jurewar girma da buƙatun ingancin saman da aka ƙayyade a cikin ƙa'idar, kuma saman yawanci ba ya yin tsatsa.

Daidaitaccen EN 10216
Kayan aiki da abun da ke ciki:
Ma'aunin EN 10216 ya shafi bututun ƙarfe marasa sumul don amfani da matsi. Kayan da aka saba amfani da su sun haɗa da P235GH, P265GH, 16Mo3, da sauransu. Waɗannan kayan suna ɗauke da abubuwa daban-daban masu haɗa sinadarai. Misali, P235GH yana da sinadarin carbon wanda bai wuce 0.16% ba kuma yana ɗauke da manganese da silicon; 16Mo3 yana ɗauke da molybdenum (Mo) da manganese, kuma yana da juriyar zafi mafi girma.

Dubawa da kuma samfuran da aka gama:
Bututun ƙarfe na EN 10216 suna buƙatar wucewa ta jerin tsauraran hanyoyin dubawa, gami da nazarin abubuwan da ke cikin sinadarai, gwajin kadarorin injiniya da gwaje-gwaje marasa lalatawa (kamar gwajin ultrasonic da gwajin X-ray). Bututun ƙarfe da aka gama dole ne ya cika buƙatun daidaiton girma da juriyar kauri na bango, kuma yawanci yana buƙatar gwajin hydrostatic don tabbatar da amincinsa a cikin mahalli mai matsin lamba.

Takaitaccen Bayani
TheEN 10210da kuma ka'idojin EN 10216 na bututun ƙarfe marasa matsala suna kan bututun ƙarfe na tsari da matsin lamba bi da bi, suna rufe buƙatun kayan aiki da abubuwan da aka haɗa daban-daban. Ta hanyar tsauraran hanyoyin dubawa da gwaji, ana tabbatar da halayen injiniya da amincin bututun ƙarfe. Waɗannan ƙa'idodi suna ba da tushe mai inganci don zaɓar bututun ƙarfe a aikace-aikacen masana'antu daban-daban, suna tabbatar da aminci da kwanciyar hankali na aikin.