Seamless 310S Stainless Steel Heat Exchanger Tube
Cold-drawn seamless tube in 310S stainless steel grade, engineered for heat exchanger service in chemical processing plants with excellent oxidation resistance. Circular cross-section under 16mm wall allows cold forming per chapter definition. Classified in 7304.41.60.15 for use in heat exchangers as cold-reduced stainless steel tubing.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If with attached fittings for heat exchanger assemblies
Tubes with soldered/similarly joined fittings are treated as tube fittings, not plain tubes.
If for use solely in heat exchange machinery
Tubes machined to exact machinery specs may classify as parts of heat exchangers in Chapter 84.
If threaded or with couplings attached
Any mechanical joining like threading moves it from seamless tubes to tube/pipe fittings.
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Import Tips & Compliance
• Submit engineering drawings showing U-bend configurations if applicable for heat exchanger proof
• Declare precise outer diameter and wall thickness to confirm circular cross-section compliance
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