ASTM A500 Grade B Alloy Square Tube 200x200x10mm
Heavy-walled welded square tube per ASTM A500 Grade B alloy steel standard, 200mm sides with 10mm thickness for offshore platforms and bridges. HTS 7306.61.30.00 applies to its square cross-section, welded construction, and alloy steel material with thick walls.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If threaded or fitted with couplings
Tube fittings or assemblies shift to Chapter 73 heading 7307.
If cold-drawn seamless instead of welded
Seamless construction changes to heading 7304 for alloy tubes.
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Import Tips & Compliance
• Include ASTM certification and yield strength data proving structural quality; ensure no internal coatings that could imply different use
• Common error: classifying long lengths over 6m as bars under 7304
• Pitfall: verify no circular ends affecting cross-section
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