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Why is the highway fence made of zinc steel instead of stainless steel?
Apr 26, 2018


When it comes to high speed guardrails, most of them think of zinc steel.Nowadays, most highway guardrails are made of zinc steel. Why is that?Isn't the stainless steel PVP barrier?

When it comes to this, you have to say the high speed barrier.Compared with ordinary road guardrails, the requirements of high speed road guardrails are higher.The general material cannot meet the requirements.Zinc steel is different.

Highway guardrail requires a: impact resistance ability, highway vehicle speed, in order to protect the driver and passenger, high-speed guardrail must have a certain strength, low intensity of barrier if the damage when hit, flying the guardrail tube can cause secondary damage to the drivers and passengers.Stainless steel and other materials have weak impact resistance and cannot meet the requirements.

Requirement 2: strong corrosion resistance, long highway route, and most high speed road in the inaccessible mountain area, this caused the high speed road fence maintenance difficulty, high maintenance cost.In the wild environment, the common fence is easily corroded and rusted, so it is generally used for 30 years of stainless steel guardrail.

Requirement 3: the color is eye-catching, the color of the high speed road guardrail must play the role of warning the driver, and in the outdoors condition does not fade.Zinc steel guardrail surface with imported powder electrostatic spraying, good adhesion, 20 years of colorfast.

Demand 4: affordable.The cost of a highway guardrail, which is hundreds of thousands of kilometers, is a must.The comprehensive price of zinc steel guardrail is much lower than that of other guardrails in the market (comprehensive price includes maintenance cost, installation price, transportation price, etc.).


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