Alloy 825 Heat Exchanger Tube
Welded nickel-iron-chromium alloy 825 tubes (stainless steel per tariff definition) with heavy walls for severe corrosive heat exchanger service in chemical plants. Excellent resistance to sulfuric acid. Classified HTS 7306.40.50.15 for heat exchanger use.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If classified as other alloy steel
Specialty alloys may shift from stainless to general alloy steel headings.
If thinner wall specifications
Wall thickness <1.65 mm uses preceding statistical suffixes.
If integral to chemical processing equipment
Equipment-specific tube assemblies classify under complete machinery.
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Import Tips & Compliance
• Verify stainless steel status via chromium content ≥1.2% per Chapter Note
• Provide corrosion test data supporting chemical process end-use
• Confirm if alloy composition triggers separate nickel product tariffs
Related Products under HTS 7306.40.50.15
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