How thick is the bumper of a car stopper?

70cm. In order to prevent the car from colliding, the bumper of the car stopper will use a 70 cm thick tube with a specification of 30cm*50cm*70cm, which can achieve good results. The thicker the pipe, the longer the service life. Anti-collision guardrail is a typical cold-formed steel product, which has the advantages of good impact resistance, low cost, long life, high safety and environmental protection.