• Thrie beam guardrail

    Thrie nqaj guardrail

    Tus tub ceev xwm yog feem ntau ua raws li AASHTO M180, GB-T 31439.1-2015 thiab EN1317 tus qauv. Cov khoom siv rau qhov ntawd feem ntau yog Q235B (S235Jr qhov tawm los muaj zog yog ntau dua 235Mpa) thiab Q345B (S355Jr cov zis muaj zog yog ntau dua 345Mpa). Rau qhov tuab ntawm guardrail feem ntau dhau ntawm 2.67mm mus rau 4.0mm. Cov txheej txheem saum npoo yog kub duav galvanized, kom ua raws li AASHTO M232 thiab tus qauv sib npaug xws li AASHTO M111, EN1461 thiab lwm yam.
  • W beam guardrail

    W cov kab khaws khoom

    Tus tub ceev xwm yog feem ntau ua raws li AASHTO M180, GB-T 31439.1-2015 thiab EN1317 tus qauv. Cov khoom siv rau qhov ntawd feem ntau yog Q235B (S235Jr qhov tawm los muaj zog yog ntau dua 235Mpa) thiab Q345B (S355Jr cov zis muaj zog yog ntau dua 345Mpa). Rau qhov tuab ntawm guardrail feem ntau dhau ntawm 2.67mm mus rau 4.0mm. Cov kev kho saum npoo yog kub duav galvanized, kom ua raws li AASHTO M232 thiab tus qauv sib npaug xws li AASHTO M111, EN1461 thiab lwm yam.