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Superheater Alloy Steel Tube 100mm OD

Seamless alloy steel tube with 100 mm OD, optimized for superheaters in steam generators. It endures high temperatures and pressures, fitting HTS 7304.59.20.45 for its circular cross-section, alloy steel material, and superheater suitability within the 38.1-114.3 mm range.

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.

7307.19.30Higher: 40.6% vs 35%

If not seamless (e.g., welded)

Welded tubes of alloy steel for specific uses like superheaters classify under 7307 based on seam type.

7304.29.20Same rate: 35%

If of other non-alloy steel

Non-alloy steel versions shift to 7304.29 subheading, differentiated by steel type per chapter notes.

7304.59.60Same rate: 35%

If over 114.3 mm OD

Size thresholds determine sub-statistical numbers within the alloy steel seamless tube category.

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

Provide ASTM or equivalent standards certification (e.g

A213) confirming superheater grade alloy steel

Document pressure ratings and seamless verification to avoid classification as general piping

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