气泵适配器
CN → US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 8414909180 | 35.0% | CN | US | Official Doc |
| 8414901080 | 39.7% | CN | US | Official Doc |
| 7307923010 | 85.0% | CN | US | Official Doc |
| 7307290030 | 90.0% | CN | US | Official Doc |
| 8481809050 | 37.0% | CN | US | Official Doc |
| 8481909085 | 85.0% | CN | US | Official Doc |
Product Images
AI Analysis
🛠️ Air Pump Adapters (Iron/Steel & Pump Parts)
🌐 HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Clearance Strategy
📌 I. Product Definition & Classification: What Exactly is an "Air Pump Adapter"?
An "Air Pump Adapter" in international trade is not a single, monolithic product. It typically falls into two distinct categories based on its material and function:
- Piping/Tube Fittings (Iron/Steel/Non-alloy Steel): Mechanical connectors used to join pipes or tubes. These are primarily structural/mechanical components made of metal.
- Compressor/Pump Parts (Non-Metallic or Assembled): Components specifically designed for air or vacuum pumps (e.g., valve plates, intake/exhaust adapters, housings) that may be made of plastic, rubber, or non-steel metals.
⚠️ Critical Distinction Point:
- If the item is a pipe fitting (threaded, flanged, or slip-fit connector) made of iron or steel → It belongs to Chapter 73.
- If the item is a functional part of an air/vacuum pump (even if it looks like an adapter) → It belongs to Chapter 84.
📦 II. HS Code Classification Details (2026 Latest Tariff Authority Comparison)
| HS Code | Product Description | Applicable Scenario | Material/Type |
|---|---|---|---|
7307.99.50.15 |
Other fittings of iron or non-alloy steel, adapter type | Pipe connectors, steel tube adapters, heavy-duty metal fittings | ✅ Iron/Non-alloy Steel |
7307.29.00.30 |
Fittings of metal, adapter type | Generic metal fittings (if not specifically iron/steel non-alloy) | ✅ Metal (General) |
7307.99.50.45 |
Other fittings of iron or non-alloy steel, adapter type | Similar to .15, covers other unclassified steel fittings | ✅ Iron/Non-alloy Steel |
8414.90.91.80 |
Parts of air or vacuum pumps, adapter purpose | Functional components within or attached to an air pump system | ✅ Pump Part |
8414.90.10.80 |
Parts of fans and ventilation hoods, adapter purpose | Adapters used for fans/ventilation systems (often grouped with air movers) | ✅ Fan/Vent Part |
🔍 Key Reminder:
- Chapter 73 Items are taxed heavily due to US Steel/Aluminum/Tariff 232 actions.
- Chapter 84 Items are taxed under Section 301 (USITC) and IEEPA.
- Do not misclassify a steel pipe fitting as a "pump part" to avoid steel tariffs, or vice versa. Customs will inspect the physical composition and function.
💰 III. 2026 Latest Tariff Rate Breakdown (Including Surcharges & Policy Add-ons)
✅ Applicable Country: United States (US)
✅ Country of Origin: China (CN)
✅ Effective Time: 2025/2026 (Current ongoing trade war measures)
🎯 1. 7307.99.50.15 / 7307.99.50.45 —— Iron/Non-Alloy Steel Fittings (Adapter Type)
| Item | Content |
|---|---|
| Base Tariff | 4.3% (ad valorem) |
| Section 301 (USITC) Surcharge | +25.0% (List 3/4a items) |
| Section 122 (Steel/Aluminum) Surcharge | +10.0% (Specific to steel products) |
| Section 232 (Steel/Aluminum) Surcharge | +50.0% (Specific to steel/aluminum/copper products under certain conditions/interpretations as per data) |
| Total Effective Tariff | 89.3% |
| Tax Calculation | CIF Value × 89.3% |
| De Minimis Exemption | ❌ NOT APPLICABLE (High-risk for Section 232/301) |
| Legal Basis Path | USITC:7307.99.50.15 → SECTION301:25% → SECTION232:50% → SECTION122:10% |
📌 Explanation:
- This is one of the most heavily taxed categories.
- The 50% Section 232 tariff applies to steel products.
- The 10% Section 122 tariff is a specific surcharge on steel.
- The 25% Section 301 tariff applies to Chinese goods.
- Total: 89.3%. This is a prohibitive tariff level.
🎯 2. 7307.29.00.30 —— Metal Fittings (Adapter Type)
| Item | Content |
|---|---|
| Base Tariff | 5.0% (ad valorem) |
| Section 301 (USITC) Surcharge | +25.0% |
| Section 122 (Steel/Aluminum) Surcharge | +10.0% |
| Section 232 (Steel/Aluminum) Surcharge | +50.0% |
| Total Effective Tariff | 90.0% |
| Tax Calculation | CIF Value × 90.0% |
| De Minimis Exemption | ❌ NOT APPLICABLE |
| Legal Basis Path | USITC:7307.29.00.30 → SECTION301:25% → SECTION232:50% → SECTION122:10% |
📌 Note:
- Slightly higher base rate (5%) leads to a total of 90.0%.
- Even if classified as "metal" instead of specific "iron/steel," if it falls under steel/aluminum trade remedies, the 50% and 10% surcharges still apply.
🎯 3. 8414.90.91.80 —— Parts of Air/Vacuum Pumps (Adapter Purpose)
| Item | Content |
|---|---|
| Base Tariff | 0.0% (ad valorem) |
| Section 301 (USITC) Surcharge | +25.0% |
| Section 122 Surcharge | +10.0% (Note: Data indicates 122 applies, though typically Section 122 targets finished steel/aluminum; if this part is steel, it may be subject. Data confirms 10% here). |
| Section 232 Surcharge | Not explicitly listed in total, but check if steel content triggers. Based on provided data total, it is excluded or netted. |
| Total Effective Tariff | 35.0% |
| Tax Calculation | CIF Value × 35.0% |
| De Minimis Exemption | ❌ NOT APPLICABLE (High value risk) |
| Legal Basis Path | USITC:8414.90.91.80 → SECTION301:25% → SECTION122:10% |
📌 Explanation:
- This category is significantly cheaper (35% vs 89.3%).
- It is classified as a machine part (Chapter 84), not a raw steel fitting (Chapter 73).
- Crucial: Must prove it is a functional part of an air pump, not just a generic pipe connector.
🎯 4. 8414.90.10.80 —— Parts of Fans/Ventilation Hoods (Adapter Purpose)
| Item | Content |
|---|---|
| Base Tariff | 4.7% (ad valorem) |
| Section 301 (USITC) Surcharge | +25.0% |
| Section 122 Surcharge | +10.0% |
| Section 232 Surcharge | Not included in total data. |
| Total Effective Tariff | 39.7% |
| Tax Calculation | CIF Value × 39.7% |
| De Minimis Exemption | ❌ NOT APPLICABLE |
| Legal Basis Path | USITC:8414.90.10.80 → SECTION301:25% → SECTION122:10% |
📌 Note:
- Slightly higher base rate (4.7%) results in a total of 39.7%.
- Still much more favorable than Chapter 73 steel fittings.
🛠️ IV. Customs Clearance Practical Advice (Real-World Pitfall Guide)
✅ 1. Documentation Checklist (Must-Haves)
| Document | Mandatory? | Description |
|---|---|---|
| ✅ Product Specifications | ✔️ | Detailed description: Is it a pipe fitting (73) or a pump part (84)? |
| ✅ Material Composition | ✔️ | Proof of material (Steel vs. Plastic vs. Cast Iron). Critical for Section 232. |
| ✅ Function Statement | ✔️ | Explain how the adapter is used. Is it connecting pipes? Or is it an internal component of a pump? |
| ✅ Technical Drawings | ✔️ | Diagrams showing thread type, pressure rating, and connection method. |
| ✅ Commercial Invoice | ✔️ | Clear HS Code and description. |
| ✅ Origin Certificate | ✔️ | If not China, may reduce tariffs. |
✅ 2. Declaration Strategy (Key Mnemonics)
🔥 "Steel Fitting = 90% Tax, Pump Part = 35% Tax. Define Function, Not Just Shape!"
| Scenario | Correct Declaration | Wrong Practice |
|---|---|---|
| Steel Pipe Connector | 7307.99.50.15 (Iron/Steel) |
Declare as "Pump Part" → Customs Rejection/Seizure |
| Internal Pump Component | 8414.90.91.80 (Pump Part) |
Declare as "Pipe Fitting" → 89.3% Tax Overpayment |
| Fan/Ventilation Adapter | 8414.90.10.80 (Fan Part) |
Declare as "Generic Metal Fitting" → 90% Tax Overpayment |
| Plastic Adapter | Check HS Code (May be 39 or 84) | Assume it's steel → Wrong Tariff |
✅ 3. Special Cases & Handling
| Case | Handling Advice |
|---|---|
| OEM Custom Parts | Provide customer design specs. If it's designed specifically for a pump model, use 8414.90.91.80. |
| Universal Pipe Fittings | If it's a standard NPT/BSP thread connector for pipes, use 7307. You cannot avoid Section 232/301 by calling it a "pump part." |
| Mixed Shipment | Separate steel fittings (73) from pump parts (84) in the packing list. Mixed shipments may lead to higher scrutiny and potential full assessment at the highest rate. |
| Steel Content | If the "pump part" is 100% steel, US Customs may argue it falls under Section 232 steel products, potentially triggering additional audits. Ensure it is clearly a functional machine part. |
🌍 V. Global Market Clearance Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tariff Rate | Certification | Notes |
|---|---|---|---|---|
| 🇺🇸 USA | 7307.99.50.15 / 8414.90.91.80 |
35% - 90% | N/A | Highest risk market. Steel fittings face near-prohibitive tariffs. |
| 🇨🇳 China | 7307.99.50.15 / 8414.90.91.80 |
0% - 5% | CCC (if applicable) | Low import tariffs, but export controls may apply for certain steel grades. |
| 🇪🇺 EU | 7307.99.50 / 8414.90.99 |
0% - 2.7% | CE, REACH | No Section 301/232 equivalents. Much more favorable. |
| 🇲🇽 Mexico | 7307.99.50 / 8414.90.99 |
0% - 5% | NOM | USMCA may allow duty-free if originating in North America. |
| 🇻🇳 Vietnam | 7307.99.50 / 8414.90.99 |
0% - 5% | N/A | Growing hub for re-exports to US, but transshipment risks are high. |
📌 Conclusion:
- USA is the most challenging market due to Section 232 (Steel/Aluminum) and Section 301 tariffs.
- Chapter 73 (Steel Fittings) are taxed at ~89-90%.
- Chapter 84 (Pump Parts) are taxed at ~35-40%.
- Supply Chain Strategy: If possible, design adapters as functional pump parts (8414) rather than generic steel fittings (7307) to save ~50-55% in tariffs. However, this must be truthful and substantiated by design documents.
📌 VI. Common Errors & Pitfalls (Lessons Learned)
❌ Error 1: Declaring a steel pipe fitting as "Pump Part" to avoid 90% tax
👉 Consequence: Customs audit reveals it's a standard pipe fitting → Seizure, Penalty, and Back Duties.
❌ Error 2: Ignoring Section 232 Steel Tariffs on Chapter 84 Parts
👉 Consequence: If a "pump part" is pure steel, Customs may reclassify it or apply additional steel duties. Material declaration is critical.
❌ Error 3: Misclassifying Fan Parts as Pipe Fittings
👉 Consequence: Paying 90% tax instead of 39.7%.
✅ Correct Approach:
"Adapter for Air Pump Model XYZ, Functional Component, Includes Valve/Seal, Material: [Specify], Intended Use: Internal Pump Assembly."
🎯 VII. Conclusion: Precise Classification Saves Millions!
🎯 Remember the Golden Rules:
🔹 "Steel Fittings = 90% Tax. Pump Parts = 35% Tax."
🔹 "Function over Form: Prove it's a Machine Part, Not Just a Pipe Connector."
🔹 "Section 232 & 301 Are Non-Negotiable for Steel. Plan Accordingly."
📌 Pro Tip:
If your product is originating from Mexico, Vietnam, or Thailand, check for USMCA or GSP benefits. While Section 301 may still apply to Chinese content, tariff engineering and supply chain relocation can reduce the overall burden.
📞 Immediate Action:
📞 Consult a Customs Broker + Provide Technical Drawings + Apply for Advance Ruling for HS Code classification.
🚀 Save 50%+ in tariffs by correctly classifying as Pump Parts (8414) instead of Steel Fittings (7307) where legally justified!
✨ Professional Clearance Starts with Accurate Classification!
💼 Your Cost Efficiency Depends on These Details!
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.