Galvanized Steel Guardrail Post Tube 4 Inch
Heavy-duty 4-inch (101.6 mm) OD galvanized welded steel tube with wall thickness 4.78 mm for highway guardrail posts. HTS 7306.30.50.33 applies to its non-alloy steel, welded circular design, thick walls, and galvanized surface within the specified diameter. Provides rust protection for roadside safety infrastructure.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If outside diameter 50.8 mm or less
Smaller diameter galvanized tubes have dedicated subheading with potentially different stats.
If cold-drawn seamless construction
Seamless cold-formed tubes exclude welded products, moving to Chapter 73 seamless section.
If imported as vehicle body structural component
Specific automotive end-use may classify under Chapter 87 vehicle parts.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Certify compliance with ASTM A53 or A500 standards for structural tubing to support classification
• Measure and document exact OD to avoid overlap with smaller diameter subheadings like 7306.30.50.25
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