Harmonized Tariff Schedule of the U.S. › Chapter 84 Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof
8419.50.50.00Tariff line
Classification path
Machinery, plant or laboratory equipment, whether or not electrically heated (excluding furnaces, ovens and other equipment of heading 8514), for the treatment of materials by a process involving a change of temperature such as heating, cooking, roasting, distilling, rectifying, sterilizing, pasteurizing, steaming, drying, evaporating, vaporizing, condensing or cooling, other than machinery or plant of a kind used for domestic purposes; instantaneous or storage water heaters, nonelectric; parts thereof
8419
Heat exchange units
Other
8419.50.50.00
Rates of duty
General rate (Column 1)Free
Special—
Column 235%
UnitNo.
Printed page 2764
Measure flags
for origin CN, entry date 2026-10-25 · base rate Free
- Section 301 forced-labor tariff (12.5%)9903.05.31Conditional+12.5%China: Column 1 rate + 12.5% additional
- China 301 List 1 (9903.88.01)9903.88.01Applies+25%8-digit subheading 8419.50.50 is on L1
- 232 steel / aluminum / copper & derivatives9903.82.09Conditional+25%General (all other countries) | Heat exchange units, other
Confirmed total 25% · max 50%Full duty breakdown →