储存罐
CN → US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 3925100000 | 41.3% | CN | US | Official Doc |
| 7309000030 | 85.0% | CN | US | Official Doc |
| 7309000090 | 85.0% | CN | US | Official Doc |
| 7304598055 | 35.0% | CN | US | Official Doc |
| 3924104000 | 13.4% | CN | US | Official Doc |
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🛢️ Storage Tanks & Vessels: HS Code Classification & Duty Analysis (2026 Guide)
🌐 HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Clearance Strategy
📌 I. Product Definition & Classification: What Exactly Are "Storage Tanks"?
In international trade, "Storage Tanks" (储存罐) is a broad term covering various containers for storing gases, liquids, or bulk materials. The HS Code depends entirely on three critical factors:
- Material: Plastic (塑料), Iron/Steel (铁/钢), Copper/Aluminum (铜/铝).
- Form/Shape: Spherical tanks, cylindrical vessels, seamless pipes/tubes (无缝管/棒), or simple containers.
- Function: Storing gas (储气), storing materials (存放材料), or household items (e.g., piggy banks/存钱罐).
⚠️ Key Distinction Point:
- If it's a plastic tank for gas/materials → Likely Chapter 39.
- If it's an iron/steel tank (vessel/tube) → Likely Chapter 73.
- If it's a household item like a piggy bank (存钱罐) → Likely Chapter 39.
- Misclassification Risk: Declaring a steel tank as plastic (or vice versa) can lead to 85%+ duties instead of 41%.
📦 II. HS Code Classification Details (Based on Provided Data)
Below are the 5 possible HS Codes for "Storage Tanks" based on your input data. Each is explained with its logic and tax breakdown.
1️⃣ Plastic Storage Tanks (Gas/Materials)
| HS Code | Product Description | Application Scenario | Material |
|---|---|---|---|
3925.10.00.00 |
Storage tanks of plastics, for gas or material storage | Industrial plastic tanks, gas holders | ✅ Plastic |
📌 Logic: Based on the common sense that plastic tanks are used for gas storage or bulk materials.
2️⃣ Iron/Steel Storage Tanks (General/Vessel Type)
| HS Code | Product Description | Application Scenario | Material |
|---|---|---|---|
7309.00.00.30 |
Tanks, casks, drums, and similar containers, of iron or steel | Industrial steel storage tanks, liquid containers | ✅ Iron/Steel |
7309.00.00.90 |
Other tanks, casks, drums, and similar containers, of iron or steel | General steel storage vessels, non-specified types | ✅ Iron/Steel |
📌 Logic: The name "Tank" (储罐) and function "storage container" (存放材料的容器) point to Chapter 73 (Iron/Steel structures).
3️⃣ Iron/Steel Gas Tanks (Pressure Vessels)
| HS Code | Product Description | Application Scenario | Material |
|---|---|---|---|
7304.59.80.55 |
Storage gas tanks (储气罐), of iron or steel | Pressurized gas cylinders, seamless tube extensions, pressure vessel components | ✅ Iron/Steel |
📌 Logic: Specifically for "Gas Storage Tanks" (储气罐), inferred as iron/steel based on pressure vessel standards. Classified as a form of seamless tube/bar/hollow profile extension.
4️⃣ Household Storage Items (Piggy Banks)
| HS Code | Product Description | Application Scenario | Material |
|---|---|---|---|
3924.10.40.00 |
Household articles of plastics, including piggy banks (存钱罐) | Piggy banks, plastic storage jars, household containers | ✅ Plastic |
📌 Logic: If "Storage Tank" is a typo or refers to Piggy Banks (存钱罐), it falls under household plastic articles.
💰 III. 2026 Latest Tariff Rate Breakdown (US Import from China)
✅ Applicable Country: United States (US)
✅ Origin: China (CN)
✅ Effective Date: Post-November 2025 (Includes Section 301 & IEEPA tariffs)
🎯 1. 3925.10.00.00 — Plastic Storage Tanks (Gas/Materials)
| Item | Content |
|---|---|
| Base Duty | 6.3% |
| Section 301 Additional Duty | +25.0% |
| Section 122 IEEPA Duty | +10.0% |
| Total Duty Rate | 41.3% |
| Tax Calculation | CIF Value × 41.3% |
| De Minimis Eligibility | ❌ No (High duty rate excludes it from $800 exemption) |
| Legal Basis Path | USITC:3925.10.00.00 → SECTION301:9903.88.01 → IEEPA:9903.01.25 |
📌 Explanation:
- 6.3% is the standard MFN base duty for plastic tanks.
- +25% is the Section 301 tariff on Chinese plastics.
- +10% is the Section 122 IEEPA tariff for Chinese goods.
- Total: 41.3% — High duty!
🎯 2. 7309.00.00.30 — Iron/Steel Storage Tanks (Specific)
| Item | Content |
|---|---|
| Base Duty | 0.0% |
| Section 301 Additional Duty | +25.0% |
| Steel/Aluminum/Copper Additional Duty | +50.0% |
| Section 122 IEEPA Duty | +10.0% |
| Total Duty Rate | 85.0% |
| Tax Calculation | CIF Value × 85.0% |
| De Minimis Eligibility | ❌ No |
| Legal Basis Path | USITC:7309.00.00.30 → SECTION301:9903.88.01 → SECTION232:STEEL → IEEPA:9903.01.25 |
📌 Explanation:
- 0% base duty for steel tanks.
- +25% Section 301 tariff.
- +50% Section 232 Steel/Aluminum/Copper Tariff (Critical! Steel products face 50% extra).
- +10% Section 122 IEEPA.
- Total: 85.0% — Extremely High Duty!
🎯 3. 7309.00.00.90 — Iron/Steel Storage Tanks (General)
| Item | Content |
|---|---|
| Base Duty | 0.0% |
| Section 301 Additional Duty | +25.0% |
| Steel/Aluminum/Copper Additional Duty | +50.0% |
| Section 122 IEEPA Duty | +10.0% |
| Total Duty Rate | 85.0% |
| Tax Calculation | CIF Value × 85.0% |
| De Minimis Eligibility | ❌ No |
| Legal Basis Path | USITC:7309.00.00.90 → SECTION301:9903.88.01 → SECTION232:STEEL → IEEPA:9903.01.25 |
📌 Note:
- Same as above. Any steel storage tank falls under this high-tax bracket.
- The +50% Steel Tariff is the main driver.
🎯 4. 7304.59.80.55 — Iron/Steel Gas Tanks (Pressure Vessels)
| Item | Content |
|---|---|
| Base Duty | 0.0% |
| Section 301 Additional Duty | +25.0% |
| Section 122 IEEPA Duty | +10.0% |
| Total Duty Rate | 35.0% |
| Tax Calculation | CIF Value × 35.0% |
| De Minimis Eligibility | ❌ No |
| Legal Basis Path | USITC:7304.59.80.55 → SECTION301:9903.88.01 → IEEPA:9903.01.25 |
📌 Explanation:
- 0% base duty.
- +25% Section 301.
- +10% Section 122 IEEPA.
- No +50% Steel Tariff here because it's classified as seamless tubes/profiles (7304) rather than general steel containers (7309).
- Total: 35.0% — Moderate Duty!
🎯 5. 3924.10.40.00 — Plastic Household Items (Piggy Banks)
| Item | Content |
|---|---|
| Base Duty | 3.4% |
| Section 301 Additional Duty | 0.0% (Note: Check if this specific subheading is exempt; data says 0%) |
| Section 122 IEEPA Duty | +10.0% |
| Total Duty Rate | 13.4% |
| Tax Calculation | CIF Value × 13.4% |
| De Minimis Eligibility | ❌ No (if declared as commercial goods) |
| Legal Basis Path | USITC:3924.10.40.00 → IEEPA:9903.01.24 |
📌 Note:
- If the product is a Piggy Bank (存钱罐), it qualifies for the lowest tax rate.
- Total: 13.4% — Low Duty!
🛠️ IV. Customs Clearance Practical Advice (Real-World Pitfalls)
✅ 1. Required Documentation Checklist
| Document | Mandatory? | Notes |
|---|---|---|
| ✅ Product Specifications | ✔️ | Material (Steel/Plastic), Dimensions, Capacity, Pressure Rating (for Gas Tanks) |
| ✅ Technical Drawings | ✔️ | Essential for steel tanks to prove they are "Containers" (7309) vs. "Tubes" (7304) |
| ✅ Product Photos | ✔️ | Clear images of labeling, welds, and structure |
| ✅ Third-Party Test Report | ✔️ | For pressure vessels (Gas Tanks), ASME certification is critical |
| ✅ Commercial Invoice | ✔️ | Must specify "Storage Tank" or "Piggy Bank" accurately |
| ✅ Certificate of Origin (CO) | ✔️ | To verify China origin for tariff application |
| ✅ Packing List | ✔️ | Detailed breakdown of contents |
✅ 2. Declaration Tips (Key Mantra)
🔥 "Material First, Function Second, Name Precise, Duty Minimized!"
| Scenario | Correct Declaration | Wrong Declaration | Consequence |
|---|---|---|---|
| Steel Tank | 7309.00.00.30 (Storage Tank) |
7304.59.80.55 (Gas Tank) |
Risk of 85% vs 35% if misclassified. Need proof it's a general container, not a pressure vessel. |
| Plastic Tank | 3925.10.00.00 |
7309.00.00.30 |
41.3% vs 85% — Huge savings if correct! |
| Piggy Bank | 3924.10.40.00 |
3925.10.00.00 |
13.4% vs 41.3% — If it's a piggy bank, declare it as such! |
| Gas Pressure Vessel | 7304.59.80.55 |
7309.00.00.30 |
35% vs 85% — Pressure vessels may qualify for lower steel tariffs if classified under tubes. |
✅ 3. Special Situation Handling
| Situation | Handling Advice |
|---|---|
| OEM Custom Tanks | Provide client order + design drawings to prove specific function. |
| Pressure Vessels (Gas Tanks) | Must provide ASME/UHA Certification to justify 7304 classification (lower tax) vs 7309 (higher tax). |
| Plastic vs. Steel | Provide Material Test Report to prove plastic composition. Misdeclaring steel as plastic leads to fraud penalties. |
| Household Items (Piggy Banks) | Declare as "Household Articles of Plastic" for 13.4% duty. Do not declare as "Storage Tank" if not industrial. |
🌍 V. Global Market Clearance Comparison (2026)
| Country/Region | Recommended HS Code | Duty Rate (China Origin) | Certification Required | Notes |
|---|---|---|---|---|
| 🇺🇸 USA | 3925.10.00.00 (Plastic) |
41.3% | None | Plastic tanks face 41.3%. Steel faces 85%. |
| 🇺🇸 USA | 7304.59.80.55 (Gas Tank) |
35.0% | ASME Certification | Pressure vessels have lower steel tariffs. |
| 🇨🇳 China | 3925.10.00.00 |
5.0% | None | Low duty for exports to China. |
| 🇪🇺 EU | 3925.10.00.00 |
0% (if CE marked) | CE + RoHS | No additional tariffs. |
| 🇦🇺 Australia | 3925.10.00.00 |
5.0% | RCM | Low duty. |
📌 Conclusion:
- USA is the most expensive market due to Section 301, 232, and IEEPA tariffs.
- Plastic tanks (41.3%) are cheaper than Steel tanks (85%) in the US.
- Pressure Vessels (35%) are cheaper than General Steel Containers (85%).
📌 VI. Common Mistakes & Pitfalls (Lessons Learned)
❌ Mistake 1: Declaring a Steel Gas Tank as a General Steel Tank
👉 Consequence: 35% vs 85% tax difference. $50,000 extra duty on a $500k shipment.
❌ Mistake 2: Declaring Plastic Tanks as Steel Tanks
👉 Consequence: 41.3% vs 85% tax difference. Overpaying by 43.7%.
❌ Mistake 3: Not providing ASME Certification for Gas Tanks
👉 Consequence: Customs may reclassify as 7309 (Steel Containers) → 85% duty.
❌ Mistake 4: Declaring Piggy Banks as Storage Tanks
👉 Consequence: 13.4% vs 41.3% tax difference. If it's a toy/household item, declare it correctly.
✅ Correct Practice:
"Plastic Storage Tank, 5000L, for Water Storage, Model ABC, No Pressure Rating" →
3925.10.00.00
"Steel Gas Cylinder, 50L, ASME Certified, Model DEF" →7304.59.80.55
"Plastic Piggy Bank, Ceramic-Free, Model GHI" →3924.10.40.00
🎯 VII. Conclusion: Precision Classification Saves Money!
🎯 Remember the Mantra:
🔹 "Plastic Tanks: 41.3%. Steel Containers: 85%. Gas Vessels: 35%. Piggy Banks: 13.4%."
🔹 "HS Code is Life! 50% difference between Steel and Plastic. Don't get caught with 85%!"
📌 Pro Tip:
If your Storage Tanks are manufactured in Vietnam, Mexico, or Thailand, you may qualify for IEEPA Exemptions, reducing duties to 0%~5%.
Recommend Advance Ruling from US Customs (CBP) to confirm the HS Code before shipment.
📣 Immediate Action:
📞 Contact a Professional Customs Broker + Provide Product Specs + Apply for HS Code Advance Ruling
🚀 Let your Storage Tanks Pass Customs Smoothly, Reduce Costs, and Boost Profits!
✨ Professional Clearance Starts with Precise Classification!
💼 Every Dollar of Duty is Worth Calculating!
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.