Tungsten Concentrate
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⛏️ Tungsten Concentrate (Tungsten Ore Processing Product)
🌐 HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Entry Strategy
📌 I. Product Definition & Classification: What Exactly is "Tungsten Concentrate"?
Tungsten Concentrate is a mineral product obtained from the processing of tungsten ores (such as wolframite or scheelite). It is NOT pure tungsten metal, nor is it finished tungsten products (like alloys or rods). It is an intermediate industrial raw material primarily used for smelting tungsten metal, producing tungsten carbide, or manufacturing high-performance alloys.
In international trade, classification hinges on the processing stage and chemical composition:
Tungsten Concentrate (W% > 55%): The primary exported form, usually consisting of tungsten trioxide (WO₃) or ammonium paratungstate (APT) intermediates, but strictly defined as "concentrated ore" under HS Chapter 26.
Tungsten Oxide (WO₃): If the concentrate has been chemically processed into pure oxide form, it may shift to Chapter 28.
Tungsten Metal/Alloys: Finished goods, classified under Chapter 81.
⚠️ Key Distinction:
- If the product is crushed/milled ore with high tungsten content but not chemically refined to pure oxide or metal → HS Code 2611.
- If the product is pure Tungsten Trioxide (WO₃) >99.9% purity, often used in battery or electronics supply chains → HS Code 2825 (though 2825 is for ammonia compounds, pure oxides often fall under 2825.90 or specific sub-headings depending on country interpretation, but strictly speaking, WO3 is often classified under 2825.90 or 2828? Correction: Pure Tungsten Oxide (WO3) is typically classified under HS Code 2825.90.00 (Other oxides, hydroxides, peroxides of tungsten) OR HS Code 2836? Clarification: According to WCO Explanatory Notes, Tungsten Oxide (WO3) is classified under 2825.90 or 2836.19? Actually, the most common and accurate HS for Tungsten Concentrate is 2611.00, and for Tungsten Oxide (WO3) it is 2825.90 or 2828? Let's stick to the most standard: Tungsten Concentrate = 2611.00.00.00. Tungsten Oxide (WO3) = 2825.90.00.00 (Other oxides).
- Critical Rule: Do not misdeclare concentrated ore as "Tungsten Powder" or "Tungsten Alloy" to avoid anti-dumping duties.
📦 II. HS Code Classification Details (2026 Latest Tariff Authority Comparison)
| HS Code | Product Description | Applicable Scenario | Chemical State |
|---|---|---|---|
2611.00.00.00 |
Tungsten Concentrates and Other Refractory Metal Ores and Concentrates | Raw exported material from mines; high-grade mineral concentrate; contains WO₃ but not pure chemical oxide | Mineral Concentrate |
2825.90.00.00 |
Other Oxides, Hydroxides and Peroxides, Whether or Not Chemically Defined | Pure Tungsten Trioxide (WO₃); chemical grade; used for battery cathodes or high-purity smelting | Chemical Oxide |
8101.91.00.00 |
Tungsten, Unworked or Worked but Not Fabricated; Powders: Tungsten in the Form of Slabs, Ingots, or Similar Basic Forms | Semi-finished metal products; not raw material | Metal |
8101.94.00.00 |
Tungsten, Unworked or Worked but Not Fabricated; Powders: Tungsten Powder | Fine metal powder; used for sintering, armor-piercing, or heavy alloys | Metal Powder |
🔍 Key Reminder:
- Tungsten Concentrate is strictly an ore/mineral product. If you ship "Tungsten Concentrate" but label it as "Tungsten Oxide," customs may reject it or apply a different duty rate.
- Chemical Purity: If the WO₃ content exceeds 95% and it is a pure chemical compound, consider 2825.90.00.00. If it is a physical concentrate from ore beneficiation, use 2611.00.00.00.
💰 III. 2026 Latest Tariff Rate Details (Including Additional Taxes & Policy Add-ons)
✅ Applicable Country: United States (US)
✅ Country of Origin: China (CN)
✅ Effective Date: November 10, 2025 (including subsequent imports)
🎯 1. 2611.00.00.00 —— Tungsten Concentrates
| Item | Content |
|---|---|
| Base Duty Rate | 0% (ad valorem) |
| USITC Additional Duty | +25% (Under USITC Footnote 9903.02.01) |
| IEEPA Additional Duty | +10% (For China/HK products, effective from Nov 10, 2025) |
| Total Duty Rate | 35% |
| Tax Calculation | CIF Value × 35% |
| De Minimis Exemption Eligible? | ❌ No (deny_de_minimis applies) |
| Legal Basis Path | IEEPA:9903.01.25 → IEEPA:9903.01.24 → USITC:2611.00.00.00 → FOOTNOTE:9903.02.01 |
📌 Explanation:
- "USITC Additional Duty 25%" comes from Section 301 of the Trade Act targeting strategic minerals.
- "IEEPA 10%" is the additional tariff on Chinese strategic resources.
- Total 35%: This is a high-cost item for importers. Strategic stockpiling or sourcing from non-China origins (e.g., Vietnam, Russia, Mongolia) may be necessary to mitigate costs.
🎯 2. 2825.90.00.00 —— Tungsten Oxide (WO₃)
| Item | Content |
|---|---|
| Base Duty Rate | 0% |
| USITC Additional Duty | +25% (Under USITC Footnote 9903.02.01) |
| IEEPA Additional Duty | +10% (For China/HK products) |
| Total Duty Rate | 35% |
| Tax Calculation | CIF Value × 35% |
| De Minimis Exemption Eligible? | ❌ No (deny_de_minimis applies) |
| Legal Basis Path | IEEPA:9903.01.25 → IEEPA:9903.01.24 → USITC:2825.90.00.00 → FOOTNOTE:9903.02.01 |
📌 Note:
- Even if processed into oxide form, if it remains of Chinese origin, it is subject to the same additional duties.
- The key difference between 2611 and 2825 is chemical definition. Ensure your COA (Certificate of Analysis) matches the HS code.
🛠️ IV. Customs Clearance Practical Advice (Battle-Tested Pitfall Avoidance Guide)
✅ 1. Required Documentation Checklist (None Missing)
| Document | Must Provide | Description |
|---|---|---|
| ✅ Certificate of Analysis (COA) | ✔️ | Details WO₃ content, impurities (Sn, Bi, Mo, etc.). Crucial for classifying as Concentrate vs. Oxide. |
| ✅ Commercial Invoice | ✔️ | Clearly state "Tungsten Concentrate" or "Tungsten Trioxide," not generic "Minerals." |
| ✅ Packing List | ✔️ | Net/Gross weight, packaging type (e.g., 25kg bags). |
| ✅ Bill of Lading/Air Waybill | ✔️ | Standard shipping document. |
| ✅ Country of Origin Certificate (CO) | ✔️ | Must be issued by authorized body to prove Chinese origin. |
| ✅ Mineral Import Compliance Document | ✔️ | For US/EU, may require due diligence proof (conflict-free, environmental). |
✅ 2. Declaration Tips (Key Mantra)
🔥 "Concentrate is Ore, Oxide is Chem, Don't Mix, Or Pay the Price!"
| Scenario | Correct Declaration | Wrong Practice |
|---|---|---|
| High-grade mineral powder | 2611.00.00.00 |
Declared as "Tungsten Powder" → 8101 → 35% + Anti-Dumping |
| Pure WO₃ chemical | 2825.90.00.00 |
Declared as "Ore" → 2611 → Potential misclassification penalty |
| Tungsten Alloy | 8101.xxxx.xxxx |
Declared as "Concentrate" → 35% + 100%+ Anti-Dumping |
| Tungsten Carbide | 8113.00.00.00 |
Declared as "Concentrate" → 35% + High Anti-Dumping |
✅ 3. Special Situation Handling
| Situation | Handling Advice |
|---|---|
| Mixed Purity | If WO₃ is 60%, declare as Concentrate (2611). If >95% pure, consider Oxide (2825). Check COA. |
| Transshipment | If shipped via Vietnam/Malaysia, ensure no substantial transformation. If not, still Chinese origin → 35% + possible circumvention penalties. |
| Strategic Stockpile | US DoD or private entities may apply for Exclusions. Check USITC exclusion lists for 2611/2825. |
| Anti-Dumping | Check if your specific exporter is subject to AD/CVD orders. Some Chinese tungsten exporters face 200%+ AD. |
🌍 V. Global Major Market Clearance Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tariff | Certification Requirements | Remarks |
|---|---|---|---|---|
| 🇺🇸 United States | 2611.00.00.00 |
35% (China) | No special certs, but origin proof critical | High additional duties |
| 🇪🇺 European Union | 2611.00.00.00 |
0-5% | REACH Registration for chemicals | No IEEPA, but due diligence required |
| 🇨🇳 China | 2611.00.00.00 |
0-5% | None for export | Major producer |
| 🇻🇳 Vietnam | 2611.00.00.00 |
0-2% | None | Potential transshipment hub |
| 🇮🇳 India | 2611.00.00.00 |
0-7.5% | BIS Certification | Varies by import license |
📌 Conclusion:
- USA: High tariffs (35%) + potential anti-dumping.
- EU/India: Lower tariffs but stricter due diligence (ESG, supply chain transparency).
- China: Low tariff, but export quotas may apply.
📌 VI. Common Mistakes & Pitfall Guide (Blood-Tears Lesson)
❌ Mistake 1: Declaring "Tungsten Concentrate" as "Tungsten Metal"
👉 Consequence: Anti-Dumping Duty (AD) can exceed 200%. Customs will reject due to mismatched HS code and high risk.
❌ Mistake 2: Ignoring Impurity Content in COA
👉 Consequence: If Bi, Sn, or Mo content is high, it may be classified differently or trigger environmental scrutiny.
❌ Mistake 3: Transshipping via Third Countries Without Value Addition
👉 Consequence: Circumvention Investigation. If no substantial transformation occurs, customs will still apply Chinese origin rates + penalties.
❌ Mistake 4: Using Vague Descriptions like "Mineral Powder"
👉 Consequence: Customs will request detailed COA and may classify under the highest duty rate or detain for inspection.
✅ Correct Practice:
"Tungsten Concentrate, WO₃ 65%, Bi <0.1%, Sn <0.1%, in 25kg PP bags, Origin: China, HS 2611.00.00.00"
🎯 VII. Conclusion: Precise Classification, Smooth Clearance, Cost Optimization!
🎯 Remember the Mantra:
🔹 "Concentrate is Ore, Oxide is Chem, Don't Mix, Or Pay the Price!"
🔹 "HS Code 2611, 35% Duty, Anti-Dumping Watch Out!"
🔹 "Check COA, Check Origin, Check Exclusions!"
📌 Pro Tip:
If your tungsten concentrate is sourced from non-Chinese countries (e.g., Vietnam, Russia, Mongolia), you MAY be eligible for lower tariffs (0-2%) and avoid IEEPA/USITC additional duties.
- Action: Verify the Mineral Origin and request a Certificate of Origin from the mining country.
- Exclusion: Check if your product is included in the USITC Section 301 Exclusion List for Tungsten.
📣 Immediate Action:
📞 Contact a Licensed Customs Broker + Provide COA + Verify Origin + Check Exclusion List
🚀 Ensure your Tungsten Concentrate clears customs smoothly, avoids anti-dumping, and maximizes profit!
✨ Professional Customs Clearance Starts with Accurate Classification!
💼 Every Percent of Duty Matters!
Customer Reviews
About HS Code Classification
The Harmonized System (HS) is an internationally standardized nomenclature developed by the World Customs Organization (WCO) to classify traded products. Over 200 countries use the HS system as the basis for customs tariffs, trade statistics, and import/export regulations.
Each HS code follows a hierarchical structure:
- Chapter (2 digits) — Broad category of goods (e.g., Chapter 84: Machinery and Mechanical Appliances)
- Heading (4 digits) — More specific grouping within the chapter
- Subheading (6 digits) — Internationally standardized breakdown, used by all WCO member countries
- National subdivisions (8-10 digits) — Country-specific extensions for further classification, such as US HTSUS 10-digit codes
Correct HS code classification is essential for smooth customs clearance, accurate duty payment, and compliance with trade regulations. Misclassification can lead to customs delays, overpayment of duties, or penalties.
When importing from CN to US, the applicable tariff rates may include:
- Most-Favored-Nation (MFN) rate — The standard duty rate applied to WTO members
- General rate — Applied to countries without trade agreements
- Trade remedy duties — Additional tariffs such as Section 301 (anti-dumping), Section 232 (national security), or countervailing duties
The information provided on this page is for reference purposes only. For official classification, please consult with your local customs authority or a licensed customs broker.