水管夹
CN → US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 3926902500 | 24.0% | CN | US | Official Doc |
| 7326908630 | 87.9% | CN | US | Official Doc |
| 3926305000 | 22.8% | CN | US | Official Doc |
| 8302419080 | 38.5% | CN | US | Official Doc |
| 8302416080 | 88.9% | CN | US | Official Doc |
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AI Analysis
🛠️ Pipe Clamps (Pipe Fittings & Supports)
🌐 HS Code Reference & Customs Clearance Guide | 2026 Updated Tariff Analysis | Pro-Level Import Strategy
📌 One Product, Multiple Classifications: Why Pipe Clamps Are Taxed So Differently
Pipe clamps are not a single product — they’re a category of mechanical fasteners used to secure, support, or connect pipes in plumbing, HVAC, industrial, and construction systems. Their material, function, and design determine the HS Code, and thus the total tariff rate — which can range from 22.8% to 88.9% for U.S. imports from China.
⚠️ Critical Insight:
- Plastic pipe clamps → Lower tariffs (but still high due to trade policies)
- Metal pipe clamps → Much higher tariffs, especially if made of steel, aluminum, or copper
- Function matters: Are they for plumbing? Furniture? Construction? Each changes the classification.
📦 Two Core HS Codes (2026 U.S. Tariff Schedule)
| HS Code | Material | Function | Tax Rate | Key Tax Triggers |
|---|---|---|---|---|
3926.90.25.00 |
Plastic | General-purpose pipe clamp, non-specific use | 24.0% | Base + 7.5% + 10% |
3926.30.50.00 |
Plastic | Connection/fitting component | 22.8% | Base + 7.5% + 10% |
7326.90.86.30 |
Metal (Steel/Aluminum) | Pipe support or fixing device | 87.9% | Base + 25% + 10% + 50% |
8302.41.90.80 |
Metal | Building/furniture hardware | 38.5% | Base + 25% + 10% |
8302.41.60.80 |
Metal | General mounting/assembly hardware | 88.9% | Base + 25% + 10% + 50% |
🔍 Why the difference?
- Plastic = General plastic goods → lower base tariff
- Metal = Steel/aluminum/copper products → trigger 50% additional tariff under Section 122
- Function = Whether it’s for construction, furniture, or industrial support → changes the category and tax
💰 2026 U.S. Tariff Breakdown (China-Origin Goods)
✅ Applicable to: U.S. imports from China (CN)
✅ Effective Date: November 10, 2025 (and ongoing)
✅ Legal Basis: Section 301, IEEPA, and Section 122 (Steel/Aluminum/Copper) Trade Actions
🎯 1. 3926.90.25.00 — Plastic Pipe Clamp (General Use)
| Item | Detail |
|---|---|
| Base Duty | 6.5% |
| Section 301 (USITC) Tariff | +7.5% |
| IEEPA (International Emergency Economic Powers Act) | +10% |
| Total Tariff | 24.0% |
| Tax Calculation | CIF × 24.0% |
| De Minimis Exemption? | ❌ No (denied for China-origin goods) |
| Legal Path | IEEPA:9903.01.25 → Section 301:9903.88.01 → HS:3926.90.25.00 |
📌 Explanation:
- This is the "catch-all" plastic product category — used for general-purpose plastic fittings not covered elsewhere.
- No steel/aluminum/copper → no 50% Section 122 tariff
- Still subject to IEEPA + Section 301 due to China origin
🎯 2. 3926.30.50.00 — Plastic Pipe Clamp (Connection/Fitting Component)
| Item | Detail |
|---|---|
| Base Duty | 5.3% |
| Section 301 Tariff | +7.5% |
| IEEPA Tariff | +10% |
| Total Tariff | 22.8% |
| Tax Calculation | CIF × 22.8% |
| De Minimis? | ❌ No |
| Legal Path | IEEPA:9903.01.24 → Section 301:9903.88.01 → HS:3926.30.50.00 |
📌 Explanation:
- This code is for plastic components used in pipe connections — e.g., clamps that join or seal pipes.
- Slightly lower base rate than3926.90.25.00due to specific use
- Still no 50% steel/aluminum tariff — but same IEEPA + 301 combo
🎯 3. 7326.90.86.30 — Metal Pipe Clamp (Support/Fixing Device)
| Item | Detail |
|---|---|
| Base Duty | 2.9% |
| Section 301 Tariff | +25.0% |
| IEEPA Tariff | +10% |
| Section 122 (Steel/Aluminum/Copper) | +50% |
| Total Tariff | 87.9% |
| Tax Calculation | CIF × 87.9% |
| De Minimis? | ❌ No |
| Legal Path | IEEPA:9903.01.25 → Section 301:9903.88.01 → Section 122:9903.88.01 → HS:7326.90.86.30 |
📌 Explanation:
- This is the most expensive category — metal clamps used for pipe support
- Section 122 applies automatically to steel, aluminum, or copper products from China
- 50% extra tariff on top of 25% + 10% = 87.9% total
- High-risk for audits, penalties, and delays
🎯 4. 8302.41.90.80 — Metal Pipe Clamp (Building/Furniture Hardware)
| Item | Detail |
|---|---|
| Base Duty | 3.5% |
| Section 301 Tariff | +25.0% |
| IEEPA Tariff | +10% |
| Section 122 (Steel/Aluminum/Copper) | +50% |
| Total Tariff | 38.5% |
| Tax Calculation | CIF × 38.5% |
| De Minimis? | ❌ No |
| Legal Path | IEEPA:9903.01.25 → Section 301:9903.88.01 → HS:8302.41.90.80 |
📌 Explanation:
- Used for furniture, cabinetry, or building fixtures
- Still triggers 50% Section 122 tariff if made of steel/aluminum/copper
- But lower base rate → total tariff is 38.5% (vs 87.9% for industrial support)
🎯 5. 8302.41.60.80 — Metal Pipe Clamp (General Assembly/Installation Hardware)
| Item | Detail |
|---|---|
| Base Duty | 3.9% |
| Section 301 Tariff | +25.0% |
| IEEPA Tariff | +10% |
| Section 122 (Steel/Aluminum/Copper) | +50% |
| Total Tariff | 88.9% |
| Tax Calculation | CIF × 88.9% |
| De Minimis? | ❌ No |
| Legal Path | IEEPA:9903.01.25 → Section 301:9903.88.01 → Section 122:9903.88.01 → HS:8302.41.60.80 |
📌 Explanation:
- Most punitive category — for general-purpose metal hardware, not specific to curtains, doors, or plumbing
- No special exemption — even if used in plumbing, if it’s not a "plumbing-specific" fitting, it’s treated as industrial hardware
- 88.9% = Highest tariff in this list
- High risk of seizure or rejection
🛠️ Pro-Level Customs Clearance Tips (Avoid Costly Mistakes!)
✅ 1. Critical Documentation Checklist (Must-Have)
| Document | Required? | Why It Matters |
|---|---|---|
| ✅ Product Specifications | ✔️ | Define material (plastic/steel/aluminum), function, design |
| ✅ Technical Drawings / CAD Files | ✔️ | Prove it’s a fitting, not a support, or furniture hardware |
| ✅ Product Photos (Clear, with Brand/Model) | ✔️ | Show construction, material, and use case |
| ✅ Commercial Invoice | ✔️ | Must include exact product name, HS Code, origin, CIF value |
| ✅ Certificate of Origin (CO) | ✔️ | If from Vietnam/Mexico, may qualify for IEEPA exemption |
| ✅ Third-Party Test Reports | ✔️ | UL, CE, RoHS (if applicable) |
| ✅ Packing List | ✔️ | Show if items are bundled (e.g., clamp + screw) |
✅ 2. 申报策略口诀 (Pro Tips in English)
🔥 “Material First, Function Second, Tax Last!”
| Scenario | Correct HS Code | Wrong Code | Risk |
|---|---|---|---|
| Plastic clamp for plumbing | 3926.30.50.00 or 3926.90.25.00 |
8302.41.60.80 |
Tax jumps from 22.8% → 88.9% |
| Metal clamp for HVAC support | 7326.90.86.30 |
8302.41.60.80 |
Tax from 87.9% → 88.9% |
| Metal clamp for furniture | 8302.41.90.80 |
7326.90.86.30 |
Tax from 38.5% → 87.9% |
| Metal clamp for general assembly | 8302.41.60.80 |
3926.90.25.00 |
Illegal — metal ≠ plastic |
| Clamps sold in bulk with screws | One HS Code | Split into 3 parts | Total tax > 200% |
❌ Never split metal or plastic fittings into multiple items — each item triggers 88.9%!
✅ 3. Special Cases & Solutions
| Situation | Recommended Action |
|---|---|
| Clamp is made in Vietnam/Mexico | Apply for IEEPA exemption → 0% tariff (if eligible) |
| Clamp is for medical/industrial use | Provide purpose letter + technical specs → may qualify for lower rate |
| Clamp is part of a larger system | Declare as "component of a system" → avoid being taxed as standalone hardware |
| Clamp has a custom design | Apply for Advance Ruling (Pre-Decision) → lock in HS Code & tariff |
🌍 Global Market Comparison (2026)
| Country | Recommended HS Code | Base Duty | Extra Tariffs | Notes |
|---|---|---|---|---|
| 🇺🇸 USA (China origin) | Varies | 2.9%–6.5% | +25% +10% +50% | 88.9% max |
| 🇨🇳 China | 3926.30.50.00 or 7326.90.86.30 |
5% | None | No 301/IEEPA |
| 🇪🇺 EU | 3926.30.50.00 / 7326.90.86.30 |
0% | None | CE/UKCA required |
| 🇦🇺 Australia | 3926.30.50.00 |
5% | None | RCM required |
| 🇯🇵 Japan | 3926.30.50.00 |
0% | None | PSE required |
📌 Key Takeaway:
- The U.S. is the only market with 50% Section 122 tariff on metal goods from China
- Vietnam/Mexico/Thailand can avoid 301/IEEPA tariffs — relocate production?
📌 Top 5 Mistakes to Avoid (Real Cases)
❌ Mistake 1: Calling a metal clamp “plastic” to avoid 50% tariff
👉 Result: Fraud, seizure, fines, blacklisting
❌ Mistake 2: Splitting a 10-piece clamp set into 10 items
👉 Result: Each item taxed at 88.9% → total tax = 889%!
❌ Mistake 3: Not including function in invoice
👉 Result: Customs reclassifies → higher tariff, delays
❌ Mistake 4: Using “pipe clamp” as generic name
👉 Result: No proof of material/function → automatic 88.9% rate
❌ Mistake 5: Ignoring Section 122 for steel/aluminum
👉 Result: 50% extra tariff — not optional
🎯 Final Verdict: How to Win the Tariff Game
✅ If Plastic → Use
3926.30.50.00or3926.90.25.00→ 22.8%–24.0%
✅ If Metal → Avoid8302.41.60.80unless it’s truly general hardware
✅ Use7326.90.86.30for support clamps → 87.9% (but better than 88.9%)
✅ Use8302.41.90.80for furniture/building use → 38.5% (best metal option)
✅ Move production to Vietnam/Mexico → 0% tariff on IEEPA/301
📣 Action Plan: Secure Your Shipment Now
📞 Contact a U.S. Customs Broker + Apply for Advance Ruling
🚀 Get your HS Code pre-approved — avoid surprise tariffs
🌐 Consider shifting manufacturing to non-China countries
📊 Use tariff modeling tools to simulate cost impact
✨ Pro Tip:
"One wrong HS Code = 88.9% tax on a $10 clamp = $8.89 in duty.
But 100 clamps? $889.
And 1,000 clamps? $8,890.
That’s not a fee — that’s a profit killer."
📌 Remember:
🔹 Material → Function → HS Code → Tax
🔹 Plastic = Lower risk
🔹 Metal = High risk — Section 122 applies!
🔹 Never guess — verify with a customs expert
🚀 Your Pipe Clamps Are Ready to Ship — But Only If You Get the HS Code Right.
💼 Precision in classification = Profit in the bank.
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.