Having a wall thickness of 1.65 mm or more
Other tubes, pipes and hollow profiles (for example, open seamed or welded, riveted or similarly closed), of iron or steel: > Other, welded, of circular cross section, of stainless steel: > Having a wall thickness of 1.65 mm or more
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Effective with respect to entries on or after September 27, 2024, articles the product of China, as provided for in subdivision (b) of U.S. note 31 to this subchapter
Subheadings
Products classified under HTS 7306.40.50
316L Stainless Steel Welded Tube 2.5-inch
Corrosion-resistant 316L grade welded stainless tube, 2.5-inch diameter, wall >1.65 mm for marine and chemical applications. HTS 7306.40.50 covers its circular welded stainless profile regardless of alloy grade.
Duplex Stainless Steel Welded Pipe 4-inch
High-strength duplex stainless (e.g., 2205) welded pipe, 4-inch with wall thickness ≥1.65 mm for offshore platforms. Still HTS 7306.40.50 as all stainless steel welded circular tubes qualify.
Schedule 80 Stainless Steel Pipe 3-inch
Extra heavy-duty Schedule 80 welded stainless pipe, 3-inch nominal with wall thickness well over 1.65 mm for high-pressure service. HTS 7306.40.50 perfectly matches thick-walled welded stainless pipe.
Schedule 40 Stainless Steel Pipe 2-inch
Welded stainless steel pipe with a 2-inch nominal diameter and wall thickness exceeding 1.65 mm, used in plumbing and structural applications. Classified under HTS 7306.40.50 due to its welded construction, circular cross-section, and stainless steel material with sufficient wall thickness for heavy-duty use.
4-inch Diameter Stainless Steel Welded Tube
Heavy-walled welded stainless steel tube, 4-inch OD with wall thickness over 1.65 mm, suitable for industrial fluid transfer. Falls under HTS 7306.40.50 as a welded, circular stainless steel hollow profile meeting the thickness criterion.
Stainless Steel Exhaust Tubing 3-inch
Welded 304 stainless steel tubing for automotive exhaust systems, 3-inch diameter with wall thickness ≥1.65 mm for durability. HTS 7306.40.50 applies to its welded, circular stainless construction without regard to specific end-use.
6-inch Stainless Steel Pipe for Structural Use
Large-diameter welded stainless steel pipe with 1.65 mm+ wall thickness, used in construction railings and frameworks. Classified in 7306.40.50 for welded circular stainless steel tubes meeting thickness specs.
Heavy Wall Stainless Steel Sump Pump Tubing
Welded stainless steel discharge tubing for sump pumps, circular with wall thickness 1.65 mm or greater. Fits HTS 7306.40.50 as standard welded stainless tube, not specific machinery part.
8-inch Stainless Steel Welded Pipe
Industrial-grade 8-inch diameter welded stainless steel pipe with thick walls (1.65 mm+), used in water treatment systems. HTS 7306.40.50 for large welded circular stainless steel tubes/pipes.
Stainless Steel Handrail Tubing 1.5-inch
Polished welded stainless steel tubing for architectural handrails, 1.5-inch diameter with 1.65 mm+ wall thickness. Classified HTS 7306.40.50 as welded circular stainless tube in unfinished form.