Structural Parts and Components
CN → US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 8708998180 | 37.5% | CN | US | Official Doc |
| 7308906000 | 85.0% | CN | US | Official Doc |
| 8542900000 | 60.0% | CN | US | Official Doc |
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⚙️ Structural Parts and Components (结构件和部件)
🌐 HS Code Classification & Clearance Guide | 2026 Tariff Analysis | Strategic Logistics Strategy
📌 1. Product Definition & Classification: What Are "Structural Parts"?
"Structural Parts and Components" is a broad industrial term typically referring to load-bearing elements, frames, chassis, or support structures used in machinery, vehicles, electronics, or construction. In international trade, the critical distinction lies in whether these parts are specific to a vehicle (automotive) or are general structural units (often steel/concrete/metal structures). This distinction drastically changes the HS Code and the resulting tax burden.
⚠️ Key Distinction Point:
- If the part is a vehicle accessory/frame (e.g., car chassis, automotive brackets) →归入 8708 (Vehicle Parts)
- If the part is a general industrial structure (e.g., steel beams, metal frames, general support units) →归入 7308 (Steel Structures)
- Note: Electronic components are excluded from this specific comparison as per the provided data, but fall under 8542 if they are circuit-related.
📦 2. HS Code Classification Details (2026 Latest Tariff Authority Reference)
| HS Code | Product Description | Application Scenario | Key Characteristics |
|---|---|---|---|
8708.99.81.80 |
Structural Parts & Components (Vehicle Category) | Automotive frames, body panels, chassis parts | Classified as Vehicle Parts/Accessories. No material conflict. |
7308.90.60.00 |
Structural Parts & Components (General Metal Category) | Steel/Aluminum/Copper structures, general frameworks | Classified as General Structural Units. No material conflict. |
🔍 Important Note:
- 8708 applies when the structural part is specifically identifiable as a part of a motor vehicle.
- 7308 applies when the structural part is a general industrial unit (like a building frame or machinery support) made of steel/iron.
- Misclassification Risk: Declaring a general steel frame as a "Vehicle Part" (8708) to avoid higher taxes may lead to customs rejection and penalties. Conversely, declaring a vehicle chassis as a "General Structure" (7308) triggers different inspection protocols.
💰 3. 2026 Latest Tariff Rate Breakdown (Including Surcharges & Policy Add-ons)
✅ Applicable Country: United States (US)
✅ Origin: China (CN)
✅ Effective Date: 2025/2026 Period
🎯 1. 8708.99.81.80 —— Vehicle Structural Parts
| Item | Content |
|---|---|
| Base Tariff | 2.5% (ad valorem) |
| Section 301 Surcharge | +25.0% |
| Section 122 Tariff | +10.0% |
| Total Tariff | 37.5% |
| Tax Calculation | CIF Value × 37.5% |
| De Minimis Exemption | ❌ Not Eligible |
| Legal Basis Path | Section 301: 9903.88.01 → Section 122: 9903.01.24 → USITC: 8708.99.81.80 |
📌 Explanation:
- The 25% is the standard Section 301 tariff for Chinese automotive parts.
- The 10% is an additional surcharge under Section 122 (often related to specific trade remedies or policy additions).
- Total 37.5% is a medium-high burden for automotive components.
🎯 2. 7308.90.60.00 —— General Metal Structural Parts
| Item | Content |
|---|---|
| Base Tariff | 0.0% (ad valorem) |
| Section 301 Surcharge | +25.0% |
| Section 122 Tariff | +10.0% |
| Steel/Aluminum/Copper Surcharge | +50.0% (Applicable to steel, aluminum, copper products) |
| Total Tariff | 85.0% |
| Tax Calculation | CIF Value × 85.0% |
| De Minimis Exemption | ❌ Not Eligible |
| Legal Basis Path | Section 301: 9903.88.01 → Section 122: 9903.01.24 → USITC: 7308.90.60.00 → Steel/Alu/Cu Surcharge |
📌 Critical Warning:
- Although the base tariff is 0%, the Steel/Aluminum/Copper surcharge of 50% is devastating.
- This category (7308) is heavily targeted due to "Section 232" national security tariffs on steel/aluminum imports.
- Total 85% is an extremely high tax rate. Importers must verify if the material strictly qualifies for exemption or if reclassification is possible.
🛠️ 4. Clearance Practical Advice (Pitfall Avoidance Guide)
✅ 1. Documentation Checklist (Non-negotiable)
| Document | Required | Description |
|---|---|---|
| ✅ Product Specifications | ✔️ | Detailed drawings showing dimensions, load capacity, and material composition (e.g., Steel Grade, Aluminum Alloy). |
| ✅ Function Declaration | ✔️ | Explicitly state: "Is this a part of a vehicle?" or "Is this a general industrial structure?" |
| ✅ Material Certificate | ✔️ | Crucial for 7308: Proof of material type (Steel/Aluminum/Copper) to determine the 50% surcharge applicability. |
| ✅ Commercial Invoice | ✔️ | Must match HS Code description precisely (e.g., "Vehicle Chassis Part" vs. "Steel Structural Frame"). |
| ✅ Packing List | ✔️ | Ensure parts are not mixed with other categories in one shipment. |
| ✅ OEM/Customs Ruling | ✔️ | If available, provide Advance Ruling to justify classification. |
✅ 2. Declaration Strategy (Key Tips)
🔥 "Match Function, Verify Material, Avoid Double Dipping!"
| Scenario | Correct Declaration | Error to Avoid |
|---|---|---|
| Car Frame/Bracket | 8708.99.81.80 |
Declaring as 7308 → Risk of 85% tax if material is steel. |
| Steel Building Beam | 7308.90.60.00 |
Declaring as 8708 → Incorrect if not vehicle-related. |
| Mixed Shipment | Split Declaration | Mixing vehicle parts and general structures → Customs seizure. |
✅ 3. Special Case Handling
| Situation | Handling Advice |
|---|---|
| Material Ambiguity | If the material is unclear, customs may default to the highest tax bracket. Provide mill certificates. |
| Hybrid Parts | If a part serves both vehicle and general structure purposes, lean towards the specific use (Vehicle → 8708). |
| Aluminum Parts | Confirm if Aluminum is subject to the 50% surcharge in 7308. Usually, yes. |
| Copper Parts | Same as above; Copper structures also trigger the 50% surcharge under 7308. |
🌍 5. Global Market Clearance Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tariff Rate | Certification | Notes |
|---|---|---|---|---|
| 🇺🇸 USA | 8708.99.81.80 |
37.5% | None | High tax, but lower than 7308. |
| 🇺🇸 USA | 7308.90.60.00 |
85.0% | None | Avoid if possible due to Steel/Alu surcharge. |
| 🇨🇳 China | 8708.99.81.80 |
5-10% | CCC (if applicable) | Lower base rate. |
| 🇪🇺 EU | 8708.99.81.80 |
~0-4.5% | CE (if applicable) | Lower duties, but strict rules of origin. |
| 🇯🇵 Japan | 8708.99.81.80 |
~0-10% | PSE (if applicable) | Variable based on FTA. |
📌 Conclusion:
- USA is the most challenging market for these items due to Section 301 and Section 232 tariffs.
- 7308 (General Structures) is heavily penalized (85%) due to metal surcharges.
- 8708 (Vehicle Parts) is more manageable (37.5%) if correctly classified as vehicle-specific.
📌 6. Common Mistakes & Pitfall Guide (Lessons Learned)
❌ Mistake 1: Declaring a steel car chassis as "Steel Structure" (7308)
👉 Consequence: You might think it’s 0% base tax, but the 50% steel surcharge + 25% 301 + 10% 122 hits you with 85%.
👉 Fix: Always classify vehicle parts under 8708 if they are identifiable as such.
❌ Mistake 2: Declaring a general steel beam as "Vehicle Part" (8708)
👉 Consequence: Customs will reject it for not being a vehicle part, leading to delays or reclassification.
👉 Fix: Provide clear engineering drawings showing the part’s specific fitment or general structural nature.
❌ Mistake 3: Ignoring Material Composition
👉 Consequence: For 7308, if you don’t specify Steel/Aluminum/Copper, customs may apply the highest surcharge bracket.
👉 Fix: Always provide Mill Test Certificates.
🎯 7. Conclusion: Precise Classification, Cost Savings!
🎯 Remember the Mantra:
🔹 "Vehicle Parts = 8708 (37.5%)"; "General Steel = 7308 (85%)"
🔹 "Material Matters: Steel/Alu/Copper in 7308 = 50% Extra Tax!"
🔹 "Don’t Mix Apples and Oranges: Don’t Declare Steel Beams as Car Parts!"
📌 Pro Tip:
If your company imports structural parts, consider:
1. Advance Ruling: Apply for an Ruling with US Customs (CBP) to fix the HS Code.
2. Supply Chain Adjustment: If possible, source from countries with lower Section 301 rates (e.g., Vietnam, Mexico) if using 8708.
3. Design Modification: If parts can be classified as "Non-Steel/Non-Aluminum" (e.g., plastic composites), they may avoid the 7308 surcharge.
📣 Immediate Action:
📞 Consult a licensed customs broker + Provide detailed product drawings + Verify material composition
🚀 Accurate classification saves you up to 47.5% in taxes!
✨ Professional Clearance Starts with Precise Classification!
💼 Every percentage point counts in your profit margin!
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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.