U daim duab zoo

Cov lus piav qhia luv luv:


Khoom Nthuav dav

Cov khoom lag luam

Cov ntawv tshaj tawm 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 4.0mm mus rau 7.0mm los yog ua raws cov neeg xav tau.
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.
Tshaj tawm tau teeb tsa mus rau hauv thaj chaw, kom nrawm thiab txhawb nqa tus neeg saib xyuas. Nws tuaj yeem txo qis zog thaum lub tsheb sib tsoo.

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  • Sau koj cov lus ntawm no thiab xa rau peb