Cold-Drawn 321 Stainless Steel Condenser Tube

Seamless cold-drawn 321 stainless steel tube, 16 mm OD, for use in surface condensers of steam turbines where resistance to intergranular corrosion is essential. Stabilized with titanium for weldability in condenser fabrication. Classified in 7304.41.30.15 for seamless stainless, cold-reduced, small diameter, condenser application.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+17.5%17.5%
🇲🇽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.

7306.50.50Higher: 35% vs 17.5%

If welded stainless steel construction

Welded versions for condensers use heading 7306 subheadings.

7304.41.30Same rate: 17.5%

If external diameter less than 14 mm

Narrower diameter statistical breakout within the same suitability group.

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 compliance with ASME Section II for pressure vessel materials

Specify condenser end-use in commercial invoice to prevent reclassification

Related Products under HTS 7304.41.30.15

ASTM A312 TP316Ti Boiler Service Tube

Cold-drawn seamless TP316Ti tube per ASTM A312, 11 mm OD, titanium-stabilized for welded boiler components resisting pitting in chloride environments. Designed for economizer and boiler wall tubes. 7304.41.30.15 due to cold-forming, stainless, small OD, boiler use.

Incoloy 800H Heat Exchanger U-Tube

Cold-rolled seamless Incoloy 800H tube, 17.5 mm OD, U-bent for tubular heat exchangers in nitric acid plants. Nickel-iron-chromium alloy for high-temperature corrosion resistance. Classifies 7304.41.30.15 despite trade name, as stainless-equivalent for heat exchangers.

Duplex 2205 Stainless Condenser Service Tube

Cold-drawn duplex 2205 (UNS S31803) seamless tube, 14.5 mm OD, for seawater-cooled condensers due to superior pitting resistance. Ferritic-austenitic structure for high strength. 7304.41.30.15: cold stainless tube <19 mm for condensers.

Cold-Formed 253MA Stainless Furnace Tube

Seamless cold-formed 253MA high-temperature stainless tube, 12 mm OD, for pyrolysis furnace coils in ethylene production. Rare earth stabilized for oxidation resistance over 1100°C. Meets all 7304.41.30.15 criteria for refining furnaces.

Cold-Drawn 316L Stainless Steel Boiler Tube

Seamless cold-drawn tube made from 316L stainless steel with an external diameter of 14 mm, specifically designed for high-pressure steam boilers in industrial applications. Its corrosion resistance and strength make it ideal for withstanding extreme temperatures and pressures in boiler systems. Classified under 7304.41.30.15 due to its seamless construction, cold-drawn process, small diameter, and suitability for boilers.

Cold-Rolled 304 Stainless Steel Superheater Tube

Seamless cold-rolled tube of 304 stainless steel, 12.7 mm OD, engineered for superheater sections in power plant boilers to handle superheated steam. The material's oxidation resistance at high temperatures qualifies it for this critical application. Falls under 7304.41.30.15 for its seamless, cold-formed nature, circular cross-section under 19 mm, and superheater suitability.