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HSChapter 38
U.S. imports of carbonaceous pastes for electrodes and furnace lining pastes (HS 380130) totaled $1.3M in April 2026, traded with 7 countries.
Importers of Carbonaceous Pastes for Electrodes and Furnace Lining Pastes paid $145K in duties in April 2026 — an effective duty rate of 11% on $1.3M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: April 2026 dataElectrode pastes and furnace lining pastes made from carbonaceous materials are essential consumables in electric arc furnaces, aluminum smelters, and ferroalloy production, where they form self-baking Søderberg electrodes or protective hearth linings. Norway is the leading US supplier under this heading, a direct reflection of that country's dominant position in aluminum and ferrosilicon smelting technology and the associated paste manufacturing expertise. Germany and Brazil also rank among top suppliers, serving different segments of the metallurgical industry. All imports enter under a single 10-digit line (3801300000), so classification disputes typically center on whether a carbon-based product constitutes a paste versus a formed electrode or refractory article classified elsewhere.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Norway has a long-established aluminum and ferroalloy smelting industry that developed deep expertise in Søderberg electrode technology, which relies on continuously fed carbonaceous paste. Norwegian producers have built integrated supply chains for electrode paste that serve global smelter operators, making Norway a natural leading exporter to the US market.
Carbonaceous paste under 3801.30 is an unformed or semi-formed mixture intended to be shaped and baked in situ during furnace operation. Pre-formed, fully baked carbon or graphite electrodes — ready for direct installation — are classified under heading 8545 as electrical carbon products. The key distinction is whether the product arrives as a paste or as a finished electrode article.
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| Country | Imports | Exports | Balance |
|---|---|---|---|
| NORWAY | $477K | -- | -$477K |
| CHINA | $406K | $8K | -$398K |
| GERMANY | $355K | -- | -$355K |
| INDIA | -- | $51K | +$51K |
| SOUTH AFRICA | $28K | -- | -$28K |
Monthly import values over time
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 3801300000 | CARBONACEOUS PASTES FOR ELECTRODES&SIMILAR PASTES | $1.3M | 11.47% | $145K |
CARBONACEOUS PASTES FOR ELECTRODES&SIMILAR PASTES
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 3801300000 | CARBONACEOUS PASTES FOR ELECTRODES&SIMILAR PASTES | $96K |
CARBONACEOUS PASTES FOR ELECTRODES&SIMILAR PASTES
28.8K kg
PRODUCTS AND RESIDUALS OF CHEMICAL INDUSTRY, NESOI
HS 382499
DIAGNOSTIC OR LABORATORY REAGENTS INCL KITS, NESOI
HS 382219
CHEM ELEM DOPED, USED IN ELECTRON, DISCS WAFERS ET
HS 381800
SUPPORTED CATALYSTS W PREC METAL/PREC MTL COMPND
HS 381512
SUPPORTED CATALYSTS, NESOI
HS 381519
ADDITIVE FOR LUB OIL CONT PETRO/BITUMINOUS MINOIL
HS 381121
| Port | Imports | Exports | Balance |
|---|---|---|---|
| NORFOLK-NEWPORT NEWS, VA | $720K | -- | -$720K |
| CHARLESTON, SC | $293K | $10K | -$283K |
| DETROIT, MI | $93K | -- | -$93K |