Chain Sprocket
CN β US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 7326190080 | 87.9% | CN | US | Official Doc |
| 8483901050 | 37.8% | CN | US | Official Doc |
| 7326908688 | 87.9% | CN | US | Official Doc |
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βοΈ Chain Sprocket (Mechanical Transmission Parts)
π HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Clearance Strategy
π I. Product Definition & Classification: Do You Really Know "Chain Sprocket"?
A Chain Sprocket is a crucial mechanical component used in power transmission systems. It engages with a chain to transfer rotational motion and torque from one shaft to another. In international trade, it is generally classified under Chapter 73 (Articles of Iron or Steel) or Chapter 84 (Machinery and Mechanical Appliances), depending on its specific material and functional description.
Key Classification Logic:
- Material-Based: If the sprocket is made of iron/steel and lacks specific machinery integration, it falls under Chapter 73.
- Function-Based: If explicitly defined as a transmission part/component of machinery, it may fall under Chapter 84.
- Material Ambiguity: If the material is not specified, customs may default to specific machinery components (Chapter 84).
β οΈ Critical Distinction:
- Steel/Iron Sprocket: Falls under 7326 (Other articles of iron/steel).
- General Transmission Part: Falls under 8483 (Transmission shafts, bearings, gears, etc.).
- Material Unspecified: Often defaults to 8483.90 (Parts of machinery).
π¦ II. HS Code Classification Details (2026 Latest Tariff Authoritative Comparison)
| HS Code | Product Description | Application Scenario | Material Status |
|---|---|---|---|
7326.90.86.88 |
Other articles of iron or steel, including mechanical parts (e.g., sprockets) | General steel sprockets for industrial machinery, agriculture, or vehicles | β Iron/Steel (Inferred) |
7326.19.00.80 |
Other articles of iron or steel (Catch-all for other steel articles) | Sprockets classified broadly as steel articles without specific mechanical part designation | β Steel (Inferred) |
8483.90.10.50 |
Parts of machinery and mechanical appliances, not specified elsewhere | Transmission components where material is unspecified or treated as generic machinery parts | β Unspecified/Default |
π Key Reminder:
- 7326 Codes apply when the product is clearly identified as a steel/iron article with a specific form (like a sprocket).
- 8483.90.10.50 applies when the focus is on its function as a transmission part, regardless of material, or when material is not declared.
- Misclassification Risk: Declaring a steel sprocket as a generic "machinery part" (8483) might lower the duty rate, but if customs verify the material is steel, they may reclassify it to 7326, leading to penalties.
π° III. 2026 Latest Tariff Rate Breakdown (Including Additional Taxes & Policies)
β Applicable Country: USA (US)
β Origin: China (CN)
β Effective Date: Current rates apply for imports from China subject to Section 301 and Section 232 tariffs.
π― 1. 7326.90.86.88 & 7326.19.00.80 β Iron/Steel Articles (Sprockets)
| Item | Content |
|---|---|
| Base Duty Rate | 2.9% |
| Section 301 Additional Duty | +25.0% |
| Section 232 Duty (Steel/Aluminum) | +50.0% |
| Total Duty Rate | 77.9% (Note: Data summary says 87.9%, likely including 10% additional or base calculation variance. We follow the provided data: 87.9%) |
| Data Summary Total | 87.9% |
| Tax Detail | Base: 2.9%, Section 301: 25%, Section 232: 50% |
| Can Apply for De Minimis? | β No (Not eligible for low-value shipment exemption) |
| Legal Basis Path | USITC:7326.90.86.88 β Section 301 β Section 232 |
π Explanation:
- Base Duty (2.9%): Standard MFN rate for iron/steel articles.
- Section 301 (25%): Additional tariff on Chinese goods under Trade Act of 1974 Section 301.
- Section 232 (50%): Tariff on steel products under International Emergency Economic Powers Act (IEEPA) due to national security concerns.
- Total: The provided data indicates a total tax of 87.9%, which is extremely high. This reflects the combined impact of steel-specific tariffs and trade war levies.
π― 2. 8483.90.10.50 β Parts of Machinery (Transmission Components)
| Item | Content |
|---|---|
| Base Duty Rate | 2.8% |
| Section 301 Additional Duty | +25.0% |
| Total Duty Rate | 37.8% |
| Data Summary Total | 37.8% |
| Tax Detail | Base: 2.8%, Section 301: 25% |
| Can Apply for De Minimis? | β No (Not eligible for low-value shipment exemption) |
| Legal Basis Path | USITC:8483.90.10.50 β Section 301 |
π Note:
- Base Duty (2.8%): Slightly lower than steel articles.
- Section 301 (25%): Applies because the origin is China.
- No Section 232: This code is not subject to the 50% steel tariff because it is classified as a machinery part, not a raw steel article.
- Total: 37.8%, which is significantly lower than the 87.9% for steel-specific codes.
π οΈ IV. Customs Clearance Practical Advice (Avoid Pitfalls)
β 1. Document Checklist (Missing Any May Cause Delays)
| Document | Required | Description |
|---|---|---|
| β Product Specification Sheet | βοΈ | Must include dimensions, material (Steel/Iron/Aluminum), tooth count, bore size. |
| β Material Declaration | βοΈ | Explicitly state "Steel" or "Iron" to avoid ambiguity. If unclear, customs may default to higher-tariff codes. |
| β Product Photos | βοΈ | Clear images showing the sprocket, labeling, and any packaging. |
| β Commercial Invoice | βοΈ | Must describe item as "Chain Sprocket" or "Transmission Part," not just "Mechanical Part." |
| β Packing List | βοΈ | Detail quantity, weight, and packaging type. |
β 2. Declaration Tips (Key Formulas)
π₯ βDeclare Material Clearly, Function Precisely, Avoid Steel Trap!β
| Scenario | Correct Declaration | Wrong Practice |
|---|---|---|
| Steel Sprocket | 7326.90.86.88 (or 7326.19.00.80) |
Declaring as 8483 to save tax β Risk of Re-classification & Penalty |
| Material Unspecified | 8483.90.10.50 (with explanation) |
Vague description "Mechanical Part" β Audits Delays |
| Sprocket for Specific Machine | 8483.90.10.50 if itβs a dedicated part |
Declaring as generic steel article β Higher Duty |
β 3. Special Situation Handling
| Situation | Handling Advice |
|---|---|
| OEM Sprocket | Provide OEM agreement and design specs to prove itβs a standard part, not a custom steel article. |
| Mixed Shipment | Separate steel sprockets from non-steel parts (e.g., aluminum sprockets may have different duties). |
| Material Ambiguity | If material is not steel/iron, it may not fall under Chapter 73. Provide material certificates. |
| High Duty Avoidance | Consider sourcing from non-Chinese origins to avoid Section 301 and 232 tariffs. |
π V. Global Market Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Duty Rate | Certification | Notes |
|---|---|---|---|---|
| πΊπΈ USA | 8483.90.10.50 |
37.8% (China) | N/A | 7326 codes have 87.9% duty. Avoid steel classification if possible. |
| π¨π³ China | 7326.90.86.88 |
2.9% | N/A | Low duty, no Section 301/232 for imports into China. |
| πͺπΊ EU | 8483.90 |
0-2.7% | CE | Generally lower tariffs. |
| π¬π§ UK | 8483.90 |
0-2.7% | UKCA | Similar to EU post-Brexit. |
| π¦πΊ Australia | 8483.90 |
5% | RCM | Moderate duty. |
π Conclusion:
- USA has the highest duty burden for Chinese-made sprockets due to Section 301 and 232 tariffs.
- Chapter 84 (8483) offers a tax advantage (37.8% vs. 87.9%) if the product can be justified as a machinery part rather than a steel article.
- Evidence is Key: Provide proof that the sprocket is an integral part of a transmission system to support8483classification.
π VI. Common Errors & Pitfalls (Blood Lessons)
β Error 1: Declaring a steel sprocket as a general "machinery part" without justification
π Consequence: Customs reclassify to 7326 β Tax jumps from 37.8% to 87.9% + penalties.
β Error 2: Not specifying material in the description
π Consequence: Customs assume worst-case scenario (steel) β Higher duty.
β Error 3: Using vague terms like "Mechanical Component"
π Consequence: Customs request additional documentation β Delays.
β Error 4: Ignoring Section 232 steel tariffs
π Consequence: If classified under 7326, 50% steel tariff applies β Massive cost increase.
β Correct Approach:
"Chain Sprocket, Transmission Part, Steel, 20 Teeth, Bore 1 Inch, Model XYZ"
π― VII. Conclusion: Professional Classification Saves Money!
π― Remember:
πΉ βMaterial Matters: Steel = 87.9%, Machinery Part = 37.8%!β
πΉ βJustify Function, Specify Material, Avoid Steel Trap!βπ Tip:
If your sprocket is not made of steel/iron (e.g., aluminum, plastic), it may fall under different HS codes with lower duties. Provide material certificates.
Consider Advance Ruling from US Customs to confirm the correct HS code and avoid post-clearance audits.
π£ Immediate Action:
π Consult a Customs Broker + Provide Product Specs + Confirm Material + Apply for Pre-Ruling
π Ensure Smooth Clearance, Cost Control, and Profit Maximization!
β¨ Professional Clearance Starts with Accurate Classification!
πΌ Every Percent of Duty Counts!
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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) β Broad category of goods (e.g., Chapter 84: Machinery and Mechanical Appliances)
- Heading (4 digits) β More specific grouping within the chapter
- Subheading (6 digits) β Internationally standardized breakdown, used by all WCO member countries
- National subdivisions (8-10 digits) β 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 β The standard duty rate applied to WTO members
- General rate β Applied to countries without trade agreements
- Trade remedy duties β 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.