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HTS code reference›Chapter 73: Articles of iron or steel›7304.51.50.15

HTS Code 7304.51.50.15

Of heat-resisting steel

Official tariff path

Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel: › Other, of circular cross section, of other alloy steel: › Cold-drawn or cold-rolled (cold-reduced): › Other › Other: › Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters: › Of heat-resisting steel

Level: statistical10General duty: FreeUnit: kg

What does HTS 7304.51.50.15 cover?

This provision appears in the 2026 Harmonized Tariff Schedule of the United States under the following legal tariff hierarchy. A product must match the wording and applicable section or chapter notes before this code is used on an entry.

  1. 1Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel:
  2. 2Other, of circular cross section, of other alloy steel:
  3. 3Cold-drawn or cold-rolled (cold-reduced):
  4. 4Other
  5. 5Other:
  6. 6Suitable for use in boilers, superheaters, heat exchangers, condensers, refining furnaces and feedwater heaters:
  7. 7Of heat-resisting steel

Nearby tariff provisions

7304.51.50.05Of high-nickel alloy steel7304.51.50.45Other7304.51.50.60Other
Official source and limitations

Based on USITC HTS 2026 Revision 12, published July 21, 2026. The general rate does not include every origin-specific program, Section 301 or 232 measure, antidumping or countervailing duty, quota, or other agency requirement.

Open this code in the official USITC search ↗