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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.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

7304.49.00Same rate: 35%

If seamless construction

Automotive seamless stainless tubes classify under 7304 for non-welded profiles.

8708.99.81Higher: 37.5% vs 35%

If imported as finished exhaust component

Vehicle-specific exhaust system parts fall under Chapter 87 for autos.

7306.50.50Same rate: 35%

If made of alloy steel other than stainless

Non-stainless alloy steel welded tubes use 7306.50 subheading.

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

Label clearly as 'welded stainless steel tube' not 'exhaust part' to avoid parts headings

Obtain material certs proving stainless steel alloy and wall thickness measurement

Related Products 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.

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.