Propane Gas Cylinder
CN β US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 7311000030 | 85.0% | CN | US | Official Doc |
| 7311000060 | 85.0% | CN | US | Official Doc |
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π’οΈ Propane Gas Cylinders (Steel Containers for Compressed/Liquefied Gas)
π HS Code Reference & Customs Clearance Guide | 2026 Updated Tariff Analysis | Professional Compliance Strategy
π I. Product Definition & Classification: Understanding the "Steel Gas Container"
Propane gas cylinders are essential vessels for storing and transporting liquefied petroleum gas (LPG). In international trade, particularly under US customs regulations, these are classified strictly as containers of iron or steel designed for compressed or liquefied gases.
The classification hinges on two critical factors: 1. Material: Must be steel (Iron/Steel). 2. Certification: Must be certified prior to exportation to meet safety requirements of 49 CFR Sections 178.36 through 178.68 (US Department of Transportation standards) OR under a specific exemption.
β οΈ Key Distinction:
- Seamless Steel Containers: Marked with DOT numbers like DOT 3A, 3AX, 3AA, 3AAX, 3B, 3E, 3HT, 3T, or DOT-E (Exemption). These fall under HS 7311.00.00.30.
- Other Containers: Includes welded steel, aluminum-clad, or non-seamless variants not meeting the specific "seamless" criteria above. These fall under HS 7311.00.00.60.
π¦ II. HS Code Classification Details (2026 Latest Tariff Alignment)
| HS Code | Product Description | Applicability | Key Marking/Feature |
|---|---|---|---|
7311.00.00.30 |
Seamless steel containers not overwrapped | Standard DOT propane tanks (1lb, 20lb, 100lb, 420lb) | Marked DOT 3A, 3AA, 3AX, 3AAX, 3B, 3E, 3HT, 3T, or DOT-E |
7311.00.00.60 |
Other containers for compressed/liquefied gas | Welded steel tanks, non-seamless, or non-compliant markings | Does not fit the "Seamless DOT" criteria |
π Critical Reminder:
- The phrase "Certified prior to exportation" is mandatory. If the cylinder lacks proper DOT certification marks, it may be rejected or misclassified.
- "Not overwrapped": This excludes cylinders wrapped in fiberglass or plastic composite overwraps (which might fall under different headings).
- Do not misclassify as "Parts of Machinery" or "Household Articles." These are industrial transport containers.
π° III. 2026 Latest Tariff Rate Breakdown (Including Surtaxes & Policy Add-ons)
β Applicable Country: United States (US)
β Origin: China (CN) (Assumed based on "Steel/Aluminum/Copper Surcharge" context in data)
β Effective Time: Current 2026 Trade Policy
π― 1. 7311.00.00.30 ββ Seamless Steel Containers (DOT Certified)
| Item | Content |
|---|---|
| Base Tariff | 0.0% (Ad Valorem) |
| Section 301 Surcharge | +25.0% (Standard Steel/Aluminum/Copper Surtax) |
| Steel/Aluminum/Copper Surcharge | +50.0% (Specific "Steel Products" surcharge) |
| Total Tariff Rate | 75.0% |
| Tax Calculation | CIF Value Γ 75% |
| De Minimis Exemption | β NOT Applicable (High-value industrial goods typically excluded) |
| Legal Basis Path | Chapter 73 β Note: Steel Articles β Section 301 Footnotes β Steel Surcharge 50% |
π Explanation:
- The 75% total rate is derived from:
1. 0% Base duty (Harmonized Tariff Schedule basic rate for steel gas containers).
2. 25% Section 301 Surtax (General China-specific tariff).
3. 50% Steel, Aluminum, and Copper Surtax (Specifically applied to steel products under recent trade actions).
- Total: 75%. This is an extremely high tariff. Importers must factor this into cost models.
π― 2. 7311.00.00.60 ββ Other Containers
| Item | Content |
|---|---|
| Base Tariff | 0.0% (Ad Valorem) |
| Section 301 Surcharge | +25.0% |
| Steel/Aluminum/Copper Surcharge | +50.0% |
| Total Tariff Rate | 75.0% |
| Tax Calculation | CIF Value Γ 75% |
| De Minimis Exemption | β NOT Applicable |
| Legal Basis Path | Chapter 73 β Note: Steel Articles β Section 301 Footnotes β Steel Surcharge 50% |
π Note:
- Even though these are "other" containers (non-seamless), they are still steel products.
- The 50% Steel Surcharge applies regardless of seamless vs. welded status.
- Total Rate: 75%. No advantage in classification if material is steel.
π οΈ IV. Customs Clearance Practical Advice (Pitfall Avoidance Guide)
β 1. Required Documentation Checklist (Mandatory)
| Document | Required? | Description |
|---|---|---|
| β DOT Certification Letter | βοΈ | Proof that containers were made in accordance with 49 CFR 178.36β178.68 prior to export. |
| β Product Marking Photos | βοΈ | Clear images of cylinder labels showing DOT 3A, 3AA, etc. or DOT-E exemption number. |
| β Commercial Invoice | βοΈ | Must state: "Steel Containers for Compressed Gas, Certified per 49 CFR" |
| β Packing List | βοΈ | Detail quantity, weight, and container type (Seamless vs. Other). |
| β Material Test Report | βοΈ | Confirm steel composition (to verify it falls under "Iron/Steel"). |
| β Dangerous Goods Declaration (DG) | βοΈ | Propane is hazardous; DG form required for shipping and customs. |
β 2. Declaration Tips (Key Mantras)
π₯ "Steel Marking DOT Clear, 75% Tax Is Real! Seamless vs. Other, Markings Decide."
| Situation | Correct Declaration | Error to Avoid |
|---|---|---|
| Standard 20lb Propane Tank | 7311.00.00.30 with DOT 3A/3AA mark |
Misclassifying as "Household Item" (lower rate, but illegal if marked DOT) |
| Welded Steel Tank | 7311.00.00.60 |
Claiming it's "Seamless" β Audit Risk |
| Composite/Aluminum Tank | β Not in Dataset | These may fall under different HS codes (e.g., 7311.00.00.90 or 7613.00). Do not force into 7311.00.00.30/60 if material is not iron/steel. |
| Empty vs. Filled | Declare as "Empty Containers" | CRITICAL: Filled propane cylinders are hazardous materials. Customs may reject or require special hazardous cargo clearance. Empty containers are simpler to classify. |
β 3. Special Handling Cases
| Case | Handling Advice |
|---|---|
| DOT-E Exempted Cylinders | If marked DOT-E, ensure the exemption number is on the cylinder and cited in docs. Falls under 7311.00.00.30. |
| Overwrapped Cylinders | If the steel container has a fiberglass/plastic overwrap, it may NOT qualify as "not overwrapped." Check if it falls under 7311.00.00.60 or another code. |
| Chinese Origin | The 75% tariff is significant. Consider supply chain diversification (e.g., from Vietnam/Mexico) if volume is high, to avoid surcharges. |
π V. Global Market Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tariff (China Origin) | Certification | Notes |
|---|---|---|---|---|
| πΊπΈ USA | 7311.00.00.30 / .60 |
75% | DOT 49 CFR | High surcharge on steel. |
| π¨π³ China | 7311.00.00.30 / .60 |
0% - 5% | GB Standard | No Section 301/Steel Surtax. |
| πͺπΊ EU | 7311.00.00 |
0% - 2% | CGA/TPED | Generally low tariffs for steel containers. |
| π―π΅ Japan | 7311.00.00 |
0% | JIS K 6111 | Low duty, strict safety checks. |
π Conclusion:
- USA is the most expensive market for steel propane cylinders due to the 75% combined tariff.
- Steel surcharge (50%) is the dominant cost driver.
- Importers should evaluate if re-routing origin or modifying supply chain is cost-effective.
π VI. Common Errors & Pitfalls (Lessons Learned)
β Error 1: Declaring Filled cylinders as Empty Containers
π Consequence: Customs seizure for hazardous material misdeclaration. Always declare empty.
β Error 2: Using Non-DOT Marked cylinders for US market
π Consequence: Rejected at border. US law requires DOT certification for interstate transport.
β Error 3: Ignoring the Steel Surcharge (50%)
π Consequence: Budget shortfalls. Expected 25%, actual 75%. Plan for 75%.
β Error 4: Misclassifying Aluminum tanks as Steel
π Consequence: Wrong HS Code (e.g., 7613.00). Aluminum has different surcharges. Check material.
β Correct Practice:
"Steel Propane Cylinder, Empty, DOT 3AA Certified, Seamless, Model XYZ, Certified per 49 CFR 178.36-178.68"
π― VII. Conclusion: Professional Declaration Saves Costs!
π― Remember the Mantra:
πΉ "Steel Gas Tank, 75% Tax Rank! DOT Mark Clear, Avoid Customs Block."
πΉ "Empty Declaration Only, Hazardous Goods Rule."
π Pro Tip:
If you are importing large volumes (>10,000 units), consider applying for a Section 301 Exclusion (if available) or exploring non-Chinese origins to mitigate the 75% tariff burden. Always request DOT Certification Documents from suppliers before shipping.
π£ Immediate Action:
π Contact Customs Broker + Provide DOT Marking Photos + Apply for Pre-Ruling
π Ensure Empty status, DOT compliance, and 75% tax budget!
β¨ Professional Customs Clearance Starts with Accurate Classification!
πΌ Your Cost Efficiency Depends on Precise HS Code Selection!
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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.