Structural Square Nonalloy Tube 80x80x10mm
High-strength welded square tube from nonalloy steel, 80mm x 80mm with 10mm walls, for bridge and tower frameworks. HTS 7306.61.10.00 covers its welded, square noncircular profile and thick iron/nonalloy steel construction per chapter definitions.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for drilling rigs
Casing/drill pipes for oil/gas classify under specific external/internal threaded tubes.
If sold as set with fittings
Assembled sets of tubes/fittings become other steel articles.
If having wall <4mm
Splits within welded noncircular square/rect by wall thickness threshold.
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 nonalloy via ASTM specs (e.g
• A500 Grade B) for customs verification
• Ship in standard lengths (6-12m) to maintain 'tube' status vs fabricated articles
Related Products under HTS 7306.61.10.00
Heavy Square Steel Hollow Section 200x200x8mm
Welded square hollow profile of nonalloy steel, 200mm x 200mm outer dimensions and 8mm thick walls, ideal for heavy structural columns in industrial buildings. Meets HTS 7306.61.10.00 for other welded noncircular tubes of iron/nonalloy steel with square section and walls ≥4mm. Not for fluid conveyance or wire-based products per chapter notes.
Industrial Rectangular Steel Hollow 100x50x5mm
Welded hollow rectangular section from nonalloy steel, 100x50mm x 5mm wall, for conveyor and racking systems. Falls under HTS 7306.61.10.00 as welded noncircular tube with rectangular profile and sufficient wall thickness.
Welded Square Steel Tubing 100x100x6mm
Heavy-duty welded square tube made from nonalloy steel with external dimensions of 100mm x 100mm and a wall thickness of 6mm, suitable for structural frameworks in construction. It falls under HTS 7306.61.10.00 as it is a welded, noncircular hollow profile of square cross-section from iron or nonalloy steel with wall thickness over 4mm. This classification applies to open-seamed or welded tubes not suitable for conduits.
Rectangular Nonalloy Steel Pipe 150x75x5mm
Welded rectangular hollow section from iron or nonalloy steel, measuring 150mm x 75mm with 5mm wall thickness, used in machinery frames and supports. Classified under HTS 7306.61.10.00 due to its welded construction, rectangular noncircular profile, and thick walls exceeding 4mm. Excludes conduit-type pipes or those of alloy steel.
Welded Rectangular Steel Tube 120x60x4.5mm
Nonalloy steel welded tube with rectangular 120mm x 60mm cross-section and precisely 4.5mm wall thickness, used in agricultural equipment frames. Fits HTS 7306.61.10.00 as a thick-walled, noncircular welded hollow profile of iron or nonalloy steel. Distinguished from thinner or alloy variants.
Rectangular Heavy Duty Steel Profile 250x100x6mm
Welded rectangular hollow profile of iron or nonalloy steel, 250mm x 100mm x 6mm wall, for crane and gantry supports. Classifies in HTS 7306.61.10.00 for thick-walled, noncircular welded tubes excluding wire-formed or conduit types.