Condenser Tube for Feedwater Heaters

Seamless carbon steel tube exceeding 285.8 mm OD, optimized for condensers and feedwater heaters in power generation. Fits 7304.39.0008 as a large-diameter, circular cross-section seamless product of non-alloy steel designated for those specific thermal applications.

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.

7304.51.10.00Same rate: 35%

If cold-drawn and alloy steel

Cold-forming process and alloy content redirect to 7304.51 from hot-finished non-alloy.

8419.89.95Higher: 39.2% vs 35%

If as part of complete condenser machinery

Machinery parts classification under Chapter 84 applies when not imported as standalone tubes.

7304.39.00Same rate: 35%

If of stainless steel

Stainless composition uses separate statistical breakout within suitable-for-boilers tubes.

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

Submit design drawings illustrating condenser compatibility to support classification

Ensure no internal rifling or fins, which could shift to specialized tubing categories

Batch certificates by heat number for lot traceability, a frequent CBP requirement

Related Products under HTS 7304.39.00.08

Refinery Cracking Furnace Tube

Large seamless non-alloy tube for ethylene cracking furnaces, OD >285.8 mm. HTS 7304.39.0008 via refining furnace provision.

Boiler Economizer Seamless Tube

Seamless tube >285.8 mm for boiler economizers (feedwater heaters). Matches 7304.39.0008 specs fully.

Steel Superheater Coils Pipe

Straight seamless non-alloy pipe >285.8 mm OD for superheater coils. 7304.39.0008 classification.

Seamless Boiler Tube ASTM A106 Grade B

This seamless carbon steel tube is designed for high-pressure boiler applications, featuring an outside diameter over 285.8 mm and circular cross-section. It falls under HTS 7304.39.0008 due to its seamless construction from non-alloy steel, suitability for boilers, and large diameter exceeding 11.25 inches. Commonly used in power plants for steam generation.

Large Diameter Superheater Tube SA-213 T11

Seamless tube from non-alloy steel for superheaters in industrial boilers, with OD exceeding 285.8 mm. Classified under 7304.39.0008 for its circular cross-section, seamless iron/non-alloy steel makeup, and explicit suitability for superheaters. Ideal for high-temperature steam applications in energy production.

Heat Exchanger Seamless Pipe API 5L X52

High-strength seamless non-alloy steel pipe with OD over 285.8 mm, engineered for heat exchangers in refining processes. Meets HTS 7304.39.0008 criteria: seamless, circular, iron/non-alloy steel, and suitable for heat exchangers/condensers. Used in petrochemical plants for efficient heat transfer.