Iyo posvo inonyanya kutevedzera AASHTO M180, GB-T 31439.1-2015 uye EN1317 standard.
Zvinyorwa zveiyo zvinonyanya kuita Q235B (S235Jr simba regoho rinopfuura 235Mpa) uye Q345B (S355Jr simba regoho rinopfuura 345Mpa).
Kune ukobvu hweguardrail kunyanya kuburikidza ne4.0mm kusvika 7.0mm kana kutevera zvinodiwa nevatengi.
Iko kurapwa kwepamusoro kunopisa yakanyikwa marati, kutevera iyo AASHTO M232 uye yakaenzana chiyero senge AASHTO M111, EN1461 nezvimwe.
Iyo posvo inoiswa munhandare, kusungirira uye kutsigira guardrail.Inogona kuderedza simba rekuita apo njodzi ichiwedzera.