储水罐
CN → US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 7309000030 | 85.0% | CN | US | Official Doc |
| 3925100000 | 41.3% | CN | US | Official Doc |
| 7309000090 | 85.0% | CN | US | Official Doc |
| 7304598055 | 35.0% | CN | US | Official Doc |
| 3925100000 | 41.3% | CN | US | Official Doc |
AI Analysis
💧 Water Storage Tanks (Industrial & Residential Containers)
🌐 HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Clearance Strategy
📌 I. Product Definition & Classification: Do You Really Know "Water Storage Tanks"?
Water storage tanks are critical infrastructure components used in residential, agricultural, and industrial settings for holding liquids (primarily water). In international trade, classification depends heavily on material, structure, and pressure rating. The two main categories are:
Metal Tanks (Iron/Steel): Rigid, high-pressure capable, often welded or riveted. Plastic Tanks: Lightweight, corrosion-resistant, often rotational molded.
⚠️ Key Distinction Point:
- If made of Iron or Steel and intended for storage → Look at Chapter 73 (Articles of Iron or Steel).
- If made of Plastic (e.g., Polyethylene) → Look at Chapter 39 (Plastics and Articles Thereof).
📦 II. HS Code Classification Details (2026 Latest Tariff Authority Comparison)
Based on the provided data, here are the applicable HS Codes and their logical derivations:
| HS Code | Product Description & Derivation Logic | Material | Key Attributes |
|---|---|---|---|
7309.00.00.30 |
Iron Water Tanks: Matches material (Iron) and form (Tank). Complies with requirements for iron-based liquid containers. | Iron | High strength, industrial use |
7309.00.00.90 |
Iron/Steel Water Tanks: Matches purpose (Tank/Container). Inferred material as Iron or Steel based on common sense for robust storage. | Iron or Steel | General metal storage |
7304.59.80.55 |
Iron/Steel Water Tanks: Inferred material as Iron/Steel. Form considered as pressure vessel components, matching metal attributes. | Iron or Steel | Pressure-related components |
3925.10.00.00 |
Plastic Water Tanks: Matches form (Tank) and use (Water Storage). Inferred material as Plastic based on common knowledge. | Plastic | Lightweight, corrosion-resistant |
🔍 Important Note:
- Metal tanks generally fall under HS 7309 ("Tanks, cisterns, vats and similar containers... of iron or steel").
- Plastic tanks fall under HS 3925.10 ("Builders' ware of plastics, of a kind used for sanitary purposes" or similar plastic container classifications).
- Misclassification Risk: Declaring a steel tank as plastic (or vice versa) will lead to immediate customs hold, fines, and potential seizure.
💰 III. 2026 Latest Tariff Rate Breakdown (Including Surcharge, Policy Surcharges)
✅ Applicable Country: United States (US)
✅ Origin: China (CN)
✅ Effective Date: Ongoing (as per data context)
🎯 1. 7309.00.00.30 — Iron Water Tanks (Specific Iron)
| Item | Content |
|---|---|
| Base Tariff | 0.0% (ad valorem) |
| Section 301 Surcharge | +25.0% |
| Section 122 Surcharge (Steel/Aluminum/Copper) | +50.0% |
| Total Tariff Rate | 85.0% |
| Tax Calculation | CIF Value × 85% |
| De Minimis Eligibility | ❌ No (High value/regulated goods) |
| Legal Basis Path | Section 301: 85% total → Section 122: 50% for steel |
📌 Explanation:
- This is an extremely high tariff category.
- The 50% Section 122 tariff specifically targets steel products imported into the US.
- The 25% Section 301 tariff applies to all Chinese-origin goods in this list.
- Total Cost Impact: For every $10,000 CIF value, you pay $8,500 in tariffs.
🎯 2. 7309.00.00.90 — Iron/Steel Water Tanks (General Iron/Steel)
| Item | Content |
|---|---|
| Base Tariff | 0.0% |
| Section 301 Surcharge | +25.0% |
| Section 122 Surcharge (Steel/Aluminum/Copper) | +50.0% |
| Total Tariff Rate | 85.0% |
| Tax Calculation | CIF Value × 85% |
| De Minimis Eligibility | ❌ No |
| Legal Basis Path | Section 301: 25% → Section 122: 50% for steel |
📌 Note:
- Same as above. Even if not specified as "pure iron," if it's steel, the 50% Section 122 tariff applies.
- Warning: Many "steel" tanks are misclassified to avoid the 50% surcharge, but Customs (CBP) will verify material composition.
🎯 3. 7304.59.80.55 — Iron/Steel Pressure Vessel Components
| Item | Content |
|---|---|
| Base Tariff | 0.0% |
| Section 301 Surcharge | +25.0% |
| Section 122 Surcharge (Steel/Aluminum/Copper) | +10.0% (Note: Data says 10% here, likely specific subheading exception or partial application) |
| Total Tariff Rate | 35.0% |
| Tax Calculation | CIF Value × 35% |
| De Minimis Eligibility | ❌ No |
| Legal Basis Path | Section 301: 25% → Section 122: 10% |
📌 Note:
- This code appears to be for components or specific pressure vessel types where the full 50% Section 122 rate may not apply, or a reduced rate is applicable.
- Still High: 35% is significantly lower than 85%, but still a major cost factor.
🎯 4. 3925.10.00.00 — Plastic Water Tanks
| Item | Content |
|---|---|
| Base Tariff | 6.3% |
| Section 301 Surcharge | +25.0% |
| Section 122 Surcharge | 0.0% (Plastic is not Steel/Aluminum/Copper) |
| Total Tariff Rate | 41.3% |
| Tax Calculation | CIF Value × 41.3% |
| De Minimis Eligibility | ❌ No |
| Legal Basis Path | Section 301: 25% → Base: 6.3% |
📌 Note:
- Plastic tanks are significantly cheaper to import than steel tanks (41.3% vs. 85%).
- However, no Section 122 tariff applies because plastic is not a metal.
- Strategy: If product functionality allows, switching from steel to high-density polyethylene (HDPE) plastic can reduce tariffs by over 40 percentage points.
🛠️ IV. Customs Clearance Practical Advice (Real-World Pitfall Avoidance)
✅ 1. Document Checklist (Must-Have)
| Document | Required | Description |
|---|---|---|
| ✅ Product Specification Sheet | ✔️ | Must clearly state Material (e.g., "Galvanized Steel" or "HDPE Plastic"), dimensions, capacity, and pressure rating. |
| ✅ Material Certificate (MTC) | ✔️ | For steel tanks, CBP may request mill certificates to verify material type (e.g., carbon steel vs. stainless). |
| ✅ Product Photos (Clear Labels) | ✔️ | Show brand, model, material label (e.g., "HDPE 1000L"), and any pressure ratings. |
| ✅ Commercial Invoice | ✔️ | Must match HS Code description. Avoid vague terms like "Container"; use "Water Storage Tank, Iron, 5000L." |
| ✅ Packing List | ✔️ | Detail dimensions and weight to ensure no misclassification based on weight/value alone. |
| ✅ Third-Party Test Reports | ✔️ | For plastic tanks: FDA/NSF certification for potable water. For steel: Pressure test certificates. |
✅ 2. Declaration Techniques (Key Mantras)
🔥 "Material First, Form Second, No Vague Terms!"
| Scenario | Correct Declaration | Wrong Action |
|---|---|---|
| Steel Tank | "Iron/Steel Water Storage Tank, 5000L, Welded" → 7309.00.00.30 |
Calling it "Steel Drum" → May be reclassified to higher tariff or detained. |
| Plastic Tank | "Plastic Water Tank, HDPE, Rotomolded" → 3925.10.00.00 |
Calling it "Plastic Drum" → Risk of misclassification. |
| Component Only | "Steel Tank Lid for Water Storage" → 7304.59.80.55 (if applicable) |
Declaring as full tank → Wrong tariff. |
| Mixed Package | Full tank + piping kit | Declare as Full Tank (Principal Article) |
✅ 3. Special Case Handling
| Situation | Recommendation |
|---|---|
| Stainless Steel Tanks | Verify if "Stainless Steel" falls under Section 122. Usually, yes, but check for exemptions. May still be 85%. |
| Potable Water Tanks | Must provide FDA/NSF 61 compliance for plastic tanks to avoid FDA hold at US border. |
| Pressure vs. Atmospheric | Pressure vessels may require additional safety certifications (ASME, etc.) for US market, even if not tariff-related. |
| Used Tanks | Import of used containers may face stricter scrutiny for contamination or rust. New is safer. |
🌍 V. Global Market Clearance Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tariff Rate | Certification Requirements | Notes |
|---|---|---|---|---|
| 🇺🇸 USA | 7309.00.00.30 / 3925.10.00.00 |
85% (Steel) / 41.3% (Plastic) | FDA (for water contact), NSF | Steel tariffs are punitive. Plastic is more viable. |
| 🇨🇳 China | 7309.00.00.30 / 3925.10.00.00 |
0% - 6% | CCC (if applicable) | Low tariffs, but export restrictions may apply. |
| 🇪🇺 EU | 7309.00.00 / 3925.10.00 |
0% - 14% | CE, REACH | No Section 122 equivalent. Steel tariffs are moderate. |
| 🇦🇺 Australia | 7309.00.00 / 3925.10.00 |
5% - 10% | SAA Standards | Competitive rates. |
| 🇯🇵 Japan | 7309.00.00 / 3925.10.00 |
0% - 6% | JIS Standards | Low barriers. |
📌 Conclusion:
- The US market is the most challenging due to the 85% tariff on steel tanks.
- Plastic tanks (41.3%) are still costly due to Section 301, but significantly better than steel.
- Diversification Strategy: Consider sourcing from Vietnam, Mexico, or Thailand to mitigate Section 301 tariffs (though Section 122 may still apply to steel).
📌 VI. Common Errors & Pitfall Guide (Lessons Learned)
❌ Error 1: Declaring a Steel Tank as "Parts of Machinery" to avoid Section 122.
👉 Consequence: CBP will reject, impose penalties, and reclassify at 85%.
❌ Error 2: Using "Drum" instead of "Tank" for large storage units.
👉 Consequence: Misclassification. Drums (e.g., 55-gallon) have different HS codes. Large tanks (>200L) are classified as Tanks.
❌ Error 3: Ignoring Material Certification for Plastic Tanks.
👉 Consequence: FDA hold if intended for potable water. Product detained for testing.
❌ Error 4: Assuming Plastic Tanks are tariff-free.
👉 Consequence: Surprised by 41.3% total tariff (6.3% base + 25% Section 301).
✅ Correct Practice:
"Water Storage Tank, Iron, 10,000L, Galvanized, for Industrial Use, Model XYZ, Made in China"
🎯 VII. Conclusion: Smart Classification Saves Millions!
🎯 Remember the Mantra:
🔹 "Steel is 85%, Plastic is 41%, Choose Material Wisely!"
🔹 "Section 122 Targets Steel, Section 301 Targets China!"
📌 Pro Tip:
If your business volume is high, consider:
1. Supply Chain Diversification: Source tanks from non-China origins (e.g., Vietnam, Thailand) to avoid Section 301.
2. Product Redesign: Switch to HDPE Plastic if structural requirements allow, reducing tariffs from 85% to 41.3%.
3. Advance Ruling: Apply for a Customs Ruling from CBP to confirm HS Code before shipping.
📣 Immediate Action:
📞 Contact a licensed Customs Broker
📄 Prepare Material Certificates and Product Specs
🚀 Optimize Your Supply Chain for the 2026 Tariff Landscape!
✨ Professional Clearance Starts with Precise Classification!
💼 Every Percentage Point in Tariff is Pure Profit or Loss!
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.