Alloy Steel Seamless Structural Hollow Section
Circular seamless hollow profile of alloy steel used in structural frameworks for bridges and buildings. HTS 7304.59.80 covers other seamless alloy steel tubes/profiles of circular cross-section. High yield strength suitable for load-bearing applications.
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More Specific Codes
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If carbon steel structural grade
Carbon steel seamless hollow sections for structures in 7304.51.10.
If welded square/rectangular profile
Welded other hollow sections (non-circular) classify under 7306.60.
If imported as fabricated structural assembly
Pre-assembled structural steelwork moves to 7308.
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Import Tips & Compliance
• Structural steel mill certs should include yield strength and chemical analysis for alloy confirmation
• Specify not for conveyance of fluids to avoid pipeline classifications
• Construction project end-use documentation helps differentiate from mechanical tubing
Related Products under HTS 7304.59.80
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