Thick-Wall Welded Pressure Exchanger Tube
Welded nonalloy steel tube, circular with wall thickness ≥1.65 mm, for pressure recovery heat exchangers in desalination plants. Handles high-pressure differentials. Fits HTS 7306.30.5010 as heat exchanger suitable.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If stainless steel construction
Corrosion-resistant stainless versions use 7307 headings.
If alloy steel material
Alloy compositions for pressure service classify separately.
If part of filtering/purifying machinery
If integral to desalination filtering, may shift to Chapter 84 machinery 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
• Document pressure ratings exceeding 1000 psi for heat exchanger justification
• Avoid bulk packaging misclassification as 7306.19 general tubes
• Comply with PED/pressure vessel directives for EU imports
Related Products under HTS 7306.30.50.10
Welded Carbon Steel Boiler Tube ASTM A178
This welded carbon steel tube with circular cross section and wall thickness over 1.65 mm is specifically designed for use in fire-tube boilers to convey hot gases or water. It meets ASTM A178 standards for low-carbon steel suitable for high-pressure boiler applications. Classified under HTS 7306.30.5010 due to its welded construction and explicit suitability for boilers.
Cold-Drawn Welded Steel Superheater Tube
Cold-drawn welded tube of nonalloy steel with wall thickness exceeding 1.65 mm, engineered for superheater sections in steam boilers to handle high-temperature steam. Its circular cross-section and construction suit elevated pressure environments. Fits HTS 7306.30.5010 as welded, cold-drawn tube for superheaters.
Welded Nonalloy Steel Heat Exchanger Tube
Welded circular tube from nonalloy steel, wall thickness 1.65 mm or greater, designed for shell-and-tube heat exchangers in industrial processes. Provides efficient heat transfer between fluids under pressure. HTS 7306.30.5010 applies due to welded construction and suitability for heat exchangers.
Carbon Steel Condenser Service Tube
Welded carbon steel tube with thick walls (≥1.65 mm) and circular profile for use in surface condensers of power plants, facilitating steam condensation. Nonalloy steel construction withstands corrosive condensate environments. Matches HTS 7306.30.5010 for condenser-suitable welded tubes.
Heavy Wall Welded Refinery Furnace Tube
Welded nonalloy steel tube, circular cross-section with wall ≥1.65 mm, for process furnace tubes in oil refineries handling high-temperature petrochemical reactions. Resists thermal stress in cracking furnaces. HTS 7306.30.5010 due to refinery furnace suitability.
Cold Drawn Feedwater Heater Tube
Cold-drawn welded tube of nonalloy steel, wall thickness over 1.65 mm, for feedwater heaters in steam cycles to preheat boiler feedwater. Circular design optimizes heat transfer. Classifies in HTS 7306.30.5010 for feedwater heater use.