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HSChapter 27
U.S. imports of petroleum coke, not calcined (HS 271311) totaled $29.3M in April 2026, traded with 23 countries.
Petroleum Coke, Not Calcined imports of $29.3M in April 2026 ran 23% above the year-to-date monthly average of $23.7M.
Last updated: April 2026 dataGreen petroleum coke — the uncalcined form — is a solid carbonaceous byproduct of crude oil refining that enters trade primarily as a fuel for cement kilns, power plants, and industrial boilers, where its high calorific value offsets its elevated sulfur content. Unlike calcined coke, it has not undergone the high-temperature treatment needed for use as a carbon anode in aluminum smelting, making the calcined/not-calcined distinction commercially and classificationally critical. Canada is the dominant US import source under this heading, reflecting integrated North American refinery operations, with Germany and Brazil also supplying. All trade is captured under the single line 2713110000.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Calcination involves heating green coke to temperatures above 1200°C to drive off residual hydrocarbons and moisture, producing a denser, more electrically conductive material. Customs classification hinges on whether this thermal treatment has occurred: not-calcined (green) coke retains volatile matter typically above 8–10%, while calcined coke falls well below that threshold. A manufacturer's process declaration or laboratory volatile-matter analysis supports the correct heading determination.
Petroleum coke itself does not require an EPA import permit, but its end-use as a fuel is subject to Clean Air Act regulations governing sulfur emissions at the burning facility. Importers supplying petcoke to domestic fuel users should be aware that high-sulfur grades may face restrictions on combustion in certain air-quality attainment areas, which can affect demand and pricing even if the import itself clears customs without additional agency review.
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Monthly import values over time
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % |
|---|---|---|---|
| 2713110000 | PETROLEUM COKE, NOT CALCINED | $29.3M | -- |
PETROLEUM COKE, NOT CALCINED
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2713110000 | PETROLEUM COKE, NOT CALCINED | $374.5M |
PETROLEUM COKE, NOT CALCINED
3.0M t
| State | Imports | Exports | Balance |
|---|---|---|---|
| Louisiana | $12.2M | $122.9M | +$110.7M |
| Texas | $10.6M | $120.9M | +$110.3M |
| California | -- | $70.0M | +$70.0M |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| NEW ORLEANS, LA | $5.7M | $103.4M | +$97.8M |
| LONG BEACH, CA | -- | $70.0M | +$70.0M |
| HOUSTON, TX | $2.9M | $53.1M | +$50.2M |