Chapter 84, Machinery and mechanical appliances / Heading 8419
HTS 8419.50.50.00: Heat exchange units
Schedule text: Other. Classification: 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 › Heat exchange units › Other
General rate of duty
Free
Column 1, USITC schedule
From China, all in
50%
Priced live by the Gateway engine
Section 301 China
25%
List 1
Forced labor 301
exempt
9903.05.90
How the rate is built
Each line is a separate legal authority. They stack on the $10,000 customs value unless a carve-out says otherwise.
| Program | Rate | Amount |
|---|---|---|
General rate of duty (Column 1) Official rate: Free 8419.50.50.00 | 0% | $0.00 |
Section 301 China (List 1) | 25% | $2,500.00 |
Section 232 Aluminum (Derivative) Since April 6, 2026 (Proclamation 11021, 91 FR 18201), Section 232 metals duties apply to the full customs value of the article, regardless of metal content. Derivative articles are no longer assessed on their metal content alone. | 25% | $2,500.00 |
Effective duty rate | 50% | $5,000.00 |
Checked and not applied
- Section 301 forced labor: Exempt: article is already subject to Section 232 duties (9903.05.90, U.S. note 52)
Stack priced from China on a $10,000 customs value, ocean entry. Other origins carry different programs; the calculator prices any of them.
Questions about this example
- What is HTS code 8419.50.50.00?
- HTS 8419.50.50.00 covers heat exchange units; the schedule's own line text is "Other". Its full classification path in the Harmonized Tariff Schedule of the United States is: 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 › Heat exchange units › Other. It sits in chapter 84 (Machinery and mechanical appliances) under heading 8419.
- What is the general duty rate for HTS 8419.50.50.00?
- The Column 1 general rate of duty is Free. That is the most-favored-nation rate before any Section 301, Section 232, Section 338, Section 201 or antidumping and countervailing action, and before CBP's Merchandise Processing and Harbor Maintenance fees.
- What is the tariff on HTS 8419.50.50.00 from China?
- Priced on $10,000 of goods, the effective duty from China is 50%: 0% general rate + 25% Section 301 + 25% Section 232 Aluminum (Derivative). Section 301 applies (List 1). Forced-labor duty: Exempt: article is already subject to Section 232 duties (9903.05.90, U.S. note 52).
- Which lines are related to HTS 8419.50.50.00?
- Neighbouring statistical lines under the same 8-digit heading are listed on this page. All lines under one 8-digit heading share the same legal duty rate; the tenth digit reports statistics.