Matsayin ya fi dacewa don bin AASHTO M180, GB-T 31439.1-2015 da daidaitattun EN1317.
Abubuwan da ke wannan sune yafi Q235B (S235Jr ƙarfin yawan amfanin ƙasa ya fi 235Mpa) kuma Q345B (S355Jr ƙarfin yawan amfanin ƙasa ya fi 345Mpa).
Don kaurin shingen tsaron yafi ta hanyar 4.0mm zuwa 7.0mm ko bi kwastomomi suke nema.
Maganin farfajiyar yana da zafi ana tsoma shi, don a bi AASHTO M232 da daidaitaccen daidaito kamar AASHTO M111, EN1461 da dai sauransu.
An shigar da post ɗin a cikin filayen, don ɗaure da tallafawa shingen tsaro. Zai iya rage tasirin tasiri yayin haɗarin haɗari.