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  • Processing Technology of Steel Structure

    1. Cutting drawing sheet This process is the material inspection part, which includes the confirmation of the model and specifications selected for the project and the quality inspection of the material. 2. Lofting and marking material (1) When setting out, the assembly mark, screw hole mark, pos...
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  • Maintenance Method of Highway Traffic Facilities

    After the completion of highway, highway maintenance becomes one of the important contents of highway management. In maintenance and repair operations, the following methods are usually used to address the extent of damage to destroyed materials: 1. For the steel pipe column with less serious ben...
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  • How to Prevent the Deformation of W Beam Guardrail

    Breakwaters play a huge role on roads. When the impact force acts on the W beam guardrail, the components interact with each other, and the deformation of the block and wave guardrail can better absorb the collision energy and change the driving direction of the vehicle. Prevent the vehicle from ...
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  • Several Requirements for Hot Dip Galvanizing W Beam Guardrail

    W beam guardrail is one of the most common safety and anti-collision facilities on the way of driving. It has good anti-corrosion performance, anti-aging, beautiful appearance, uniformity, convenient installation, good visual orientation, and appearance and color diversity. The most common color ...
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  • Precautions for Installation of Highway Guardrail

    1. Determine the positioning of the guardrail column. The positioning of the line will be directly related to the appearance of the external structure of the guardrail. 2. The  method of guardrail post. It is necessary to complete the work of the column accurately in a practical way. 3. Determine...
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  • Precautions for Hot Dip Galvanizing

    Loading workers should check the raw material: 1, the outer surface of the steel pipe shall not be sticky with oil (especially asphalt oil paint and other oil), otherwise it will cause a large number of unqualified products. 2. Steel pipe must be straightened after production to eliminate the i...
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  • W beam Highway Guardrail Classification

    W beam Highway Guardrail Classification 1. Color: galvanized silver white, plastic sprayed green, white, blue, gold, etc. 2. Waveform:  double W beams guardrail and W- Thrie beams  guardrail. 3. Surface treatment: hot-dip galvanized corrugated guardrail and galvanized plastic spraying. 4. Install...
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  • Process Methods of Hot Dip Galvanizing

    More than 90% of the corrugated road guardrail is processed by hot-dip galvanizing process, which is anticorrosive and scratchproof. The zinc layer is thick, and the reaction time is long and the anticorrosion and rust prevention effect is good. There are mainly 6 kinds process method of hot dip ...
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  • What is the product process?

    process Workpiece → degreasing → water washing → pickling → water washing → immersion in assist plating solvent → drying and preheating → hot-dip galvanizing → finishing → cooling → passivation → rinsing → drying → inspection (1) Degreasing Chemical degreasing or water-based metal degreasing clea...
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