Grade 80 Alloy Steel Square Tube 4x4x0.25in
High-strength Grade 80 alloy steel welded square tube, 4"x4"x1/4" (6.35mm wall), for lifting equipment and guardrails. HTS 7306.61.30.00 due to square cross-section, alloy steel, welded, and wall >4mm.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If drawn wire <16mm dimension
Chapter note defines wire; small dimension products as grill cloth.
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Import Tips & Compliance
• Proof load test certs for Grade 80; imperial to metric conversion docs
• Check Section 232 tariffs on steel
• Pitfall: painted finishes not affecting classification
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