310 Stainless Steel Pipe 90mm OD
High-temperature 310 stainless welded pipe, 90 mm OD, 2.7 mm wall, for furnace components. Fits HTS 7306.40.5080 as other welded stainless circular profiles with thick walls ≤114.3 mm OD. Heat-resistant up to 1100°C.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If seamless high-temperature service
Seamless heat-resistant tubes have dedicated 7304 provisions.
If OD >114.3 mm for larger furnace pipes
Size-based statistical break within welded stainless category.
If parts of heat exchangers/furnaces
End-use in specific machinery shifts to Chapter 84 parts.
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
• Include elevated temperature test data for 310 grade verification
• Distinguish from boiler tubes (7304.41) by declaring general industrial use
Related Products under HTS 7306.40.50.80
Stainless Steel Welded Tube 3/4 Inch OD
Schedule 10 stainless steel welded tube with 0.75 inch (19 mm) OD and 2.11 mm wall thickness, used in dairy processing lines. Fits HTS 7306.40.5080 as 'other' welded stainless circular tubes with specified dimensions, not for boilers or precision use. Common in hygienic food contact applications.
430 Stainless Steel Welded Tube 40mm OD
Ferritic 430 stainless welded tube, 40 mm OD, 1.8 mm wall thickness, for automotive exhaust components. HTS 7306.40.5080 applies to this circular welded stainless tube meeting size specs. Magnetic grade for cost-sensitive applications.
304 Stainless Instrumentation Tubing 12mm OD
Welded 304 stainless instrumentation tubing, 12 mm OD, 1.65 mm wall exactly, for pressure gauge lines. HTS 7306.40.5080 classification for welded circular stainless tube at dimension threshold. Used in industrial instrumentation.
304 Stainless Steel Welded Tube 25.4mm OD
A welded stainless steel tube of 304 grade with 1 inch (25.4 mm) outside diameter and wall thickness of 2 mm, used in food processing equipment. It falls under HTS 7306.40.5080 as it is a welded tube of circular cross section, stainless steel, OD ≤114.3 mm, wall ≥1.65 mm, not specifically enumerated elsewhere. This classification applies to such structural tubing components.
316L Stainless Steel Pipe 50mm OD
Welded 316L stainless steel pipe with 50 mm outside diameter and 2.5 mm wall thickness, suitable for pharmaceutical piping systems. Classified under HTS 7306.40.5080 due to its welded construction, circular cross section, stainless steel material, OD ≤114.3 mm, and wall ≥1.65 mm. Excludes fittings or specialized ends.
Duplex 2205 Stainless Tube 80mm OD
Welded duplex 2205 stainless steel tube, 80 mm OD, 3 mm wall, for offshore structural supports. HTS 7306.40.5080 covers this as other welded stainless circular hollow profiles meeting dimension criteria. High corrosion resistance suits marine environments.