Okuthunyelwe ngokuyinhloko ukulandela i-AASHTO M180, GB-T 31439.1-2015 kanye ne-EN1317 standard.
Izinto zalokho ikakhulukazi i-Q235B (S235Jr amandla okukhiqiza angaphezu kuka-235Mpa) kanye ne-Q345B (S355Jr amandla okukhiqiza angaphezu kuka-345Mpa).
Ngobukhulu be-Guardrail ikakhulukazi ngo-4.0mm kuya ku-7.0mm noma ulandele imfuno yamakhasimende.
Ukwelashwa okungaphezulu kufakwe uthayela oshisayo, ukulandela i-AASHTO M232 nezinga elilinganayo njenge-AASHTO M111, EN1461 njll.
Okuthunyelwe kufakwe emagcekeni, ukuze kuboshwe futhi kusekelwe i- guardrail.Inganciphisa amandla okuthinta ngenkathi ingozi ikhula.