Abubuwan da aka fi amfani dasu sune Q235B (S235Jr ƙarfin amfanin gona ya fi 235Mpa) da Q345B (S355Jr ƙarfin yawan amfanin ƙasa ya fi 345Mpa).
Wurin gadi shine yafi bin AASHTO M180, GB-T 31439.1-2015 da ma'aunin EN1317.