Cold-Drawn Seamless Steel Hollow Bar 1020 Grade
A seamless cold-drawn hollow bar made from low-carbon nonalloy steel (SAE 1020), featuring a circular cross-section with an outer diameter of 50mm and wall thickness of 5mm. Classified under HTS 7304.31.30.00 as a cold-rolled hollow profile of nonalloy steel, used primarily as mechanical tubing for structural applications. It lacks threading or fittings, distinguishing it from pipes.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If alloy steel composition exceeds nonalloy limits
Alloy steel hollow bars shift to 7304.51 due to higher chromium/molybdenum content, changing the material heading.
If produced by welding rather than seamless
Welded construction moves it to Chapter 73 heading 7306 for welded pipes and hollow profiles.
If hot-finished instead of cold-drawn
Hot-rolled or hot-drawn processing excludes cold-formed products, falling under the other seamless category.
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Import Tips & Compliance
• Verify seamless construction via mill test certificates to avoid misclassification as welded products under 7306
• Include chemical composition analysis confirming nonalloy steel (max 0.3% alloying elements) for customs compliance
• Label with exact dimensions and cold-forming process to prevent disputes over 'hollow bar' vs. tube definitions
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