Oxygen gas tank
CN β US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 7311000030 | 85.0% | CN | US | Official Doc |
| 7311000060 | 85.0% | CN | US | Official Doc |
| 7309000030 | 85.0% | CN | US | Official Doc |
| 7309000090 | 85.0% | CN | US | Official Doc |
| 9018907560 | 35.0% | CN | US | Official Doc |
Product Images
AI Analysis
π« Oxygen Gas Tanks & Cylinders (Steel/Iron Vessels)
π HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Clearance Strategy
π I. Product Definition & Classification: What Exactly Is an "Oxygen Tank"?
Oxygen gas tanks, often referred to as cylinders or vessels, are pressure containers designed for the storage and transport of compressed gases, primarily oxygen. In international trade, the classification depends heavily on the material (steel/iron vs. other materials), usage (industrial/medical), and design (non-liquefied vs. specialized medical equipment).
β οΈ Key Distinction Points:
- Industrial/General Purpose Steel Vessels: Standard steel/iron cylinders for compressed non-liquefied gases fall under Chapters 73 (Articles of Iron or Steel).
- Medical/Therapeutic Devices: Specialized oxygen units for medical treatment may fall under Chapter 90 (Medical Instruments).
- Material Specifics: This analysis focuses on Steel and Iron vessels based on the provided data.
π¦ II. HS Code Classification Details (2026 Latest Tariff Authority Comparison)
| HS Code | Product Description | Application Scenario | Material |
|---|---|---|---|
7311.00.00.30 |
Steel containers, for compressed or liquefied gas; oxygen tanks, steel containers for compressed gas | Industrial oxygen supply, welding, general compressed gas storage | Steel |
7311.00.00.60 |
Steel containers, for compressed or liquefied gas; oxygen tanks/cylinders, steel, for compressed gas containers | Similar to above; specific sub-category for steel oxygen cylinders | Steel |
7309.00.00.30 |
Iron or steel gas holders; oxygen tanks, iron or steel gas storage vessels | Industrial gas holders, larger-scale storage vessels | Iron/Steel |
7309.00.00.90 |
Iron or steel gas holders; oxygen tanks, iron or steel containers for non-liquefied gases | General non-liquefied gas storage in iron/steel vessels | Iron/Steel |
9018.90.75.60 |
Medical instruments and appliances; oxygen tanks, medical or therapeutic equipment | Medical oxygen concentrators, portable therapeutic oxygen units | Medical Grade |
π Critical Reminder:
- Industrial Cylinders: Most standard "oxygen tanks" used in welding, firefighting, or industrial settings are classified under 7311.00.00.30/60 or 7309.00.00.30/90.
- Medical Devices: If the product is specifically designed as a therapeutic appliance (e.g., a medical oxygen concentrator unit or specialized medical tank), it may fall under 9018.90.75.60.
- Do Not Confuse: A simple steel bottle is NOT a medical device just because it holds oxygen. It must be intended for direct therapeutic application to qualify for Chapter 90.
π° III. 2026 Latest Tariff Rate Breakdown (Including Surtaxes & Policy Add-ons)
β Applicable Country: United States (US)
β Origin: China (CN)
β Effective Date: Current rates apply as per 2026 trade policies
π― 1. Industrial Steel/Oxygen Tanks (7311.00.00.30, 7311.00.00.60, 7309.00.00.30, 7309.00.00.90)
These items are subject to significant tariffs due to Section 232 (Steel/Aluminum) and Section 301/IEEPA measures.
| Item | Content |
|---|---|
| Base Duty Rate | 0.0% (Standard MFN rate for these HS codes) |
| Section 301 Surtax | +25.0% (Additional tariff on Chinese goods) |
| Section 232 / Section 122 Add-on | +10% (Specific tariff for Steel/Aluminum/Copper products under Section 122 or related provisions) |
| Steel/Aluminum/Copper Surtax | +50.0% (Additional tariff on steel, aluminum, and copper articles) |
| Total Effective Tax Rate | 85.0% |
| Tax Calculation | CIF Value Γ 85% |
| De Minimis Eligibility | β NOT Eligible (High duty rate excludes from de minimis benefits) |
| Legal Basis Path | USITC:7311.00.00.30 β SECTION301:25% β SECTION122/STeel:60% (10%+50%) |
π Explanation:
- Base Rate: 0%.
- Section 301: +25% is standard for most Chinese industrial goods.
- Steel/Aluminum Provisions: The +60% component (composed of 10% Section 122 tariff + 50% Steel/Al/Cu surtax) applies specifically because these are steel containers.
- Total: 85% is an extremely high barrier to entry.
π― 2. Medical Oxygen Tanks (9018.90.75.60)
Medical-grade therapeutic equipment faces lower steel-specific surcharges but still incurs standard trade war tariffs.
| Item | Content |
|---|---|
| Base Duty Rate | 0.0% |
| Section 301 Surtax | +25.0% |
| Section 122 Add-on | +10% |
| Total Effective Tax Rate | 35.0% |
| Tax Calculation | CIF Value Γ 35% |
| De Minimis Eligibility | β NOT Eligible |
| Legal Basis Path | USITC:9018.90.75.60 β SECTION301:25% β SECTION122:10% |
π Note:
- Medical devices do not incur the +50% steel/aluminum/copper surtax if classified strictly as therapeutic appliances.
- However, proving "medical therapeutic" status requires strict documentation (FDA clearance, CE marking for medical devices, etc.). If customs views it as a general steel cylinder, it will be reclassified to the 85% tier.
π οΈ IV. Customs Clearance Practical Advice (Real-World Pitfall Guide)
β 1. Documentation Checklist (Essential for Clearance)
| Document | Mandatory? | Description |
|---|---|---|
| β Product Specification Sheet | βοΈ | Must clearly state: Capacity (L/gallons), Max Pressure (PSI/Bar), Material (Steel/Iron), Gas Type (Oxygen). |
| β Commercial Invoice | βοΈ | Must specify "Oxygen Gas Container" or "Therapeutic Oxygen Unit" accurately. Avoid vague terms like "Metal Tank". |
| β Material Declaration | βοΈ | Explicitly state "Made of Steel" or "Made of Iron". This triggers the 85% tax. |
| β Usage Declaration | βοΈ | If claiming 35% rate, provide proof of medical use (e.g., FDA 510(k) number, Medical Device Classification Code). |
| β Manufacturer Info | βοΈ | Country of Origin must be China. If transshipped, provide proof of substantial transformation. |
| β HS Code Justification | βοΈ | If using 9018, include medical device registration. If using 7311, include industrial gas cylinder standards (e.g., DOT, ISO). |
β 2. Declaration Strategy (Key Tips)
π₯ βBe Specific: Industrial vs. Medicalβ
| Scenario | Correct Declaration | Incorrect Declaration | Result |
|---|---|---|---|
| Industrial Welding Cylinder | 7311.00.00.30 - "Steel Compressed Gas Cylinder" |
"Oxygen Tank" (Vague) | High risk of reclassification & penalty. |
| Medical Oxygen Concentrator/Tank | 9018.90.75.60 - "Medical Therapeutic Oxygen Device" |
"Steel Tank" | Lower tax (35%) but requires medical proof. |
| Mixed Shipment | Separate line items for 7311 and 9018 |
Combined as "Oxygen Equipment" | Clearer tax application per item. |
π Warning:
- Do not attempt to declare a standard industrial steel cylinder as a "medical device" to save 50% in taxes unless it is genuinely certified medical equipment. Customs auditors will check for FDA/CE-MD compliance.
- If caught misclassifying, you face back taxes + penalties + possible seizure.
β 3. Special Case Handling
| Situation | Handling Advice |
|---|---|
| Empty vs. Filled Tanks | Customs duty is based on the container, not the gas. Both are taxed. Ensure invoice states "Empty Cylinders" if applicable. |
| Used/Refurbished Tanks | May face additional inspection for safety (hydrostatic test dates). Ensure compliance with DOT/TPED standards. |
| High-Pressure vs. Low-Pressure | Both 7311 codes generally cover compressed gases. Pressure specs help define the exact sub-heading if needed. |
| Non-Steel Tanks (Aluminum/Copper) | The +50% steel surtax might change to aluminum/copper rates, but total tariffs remain very high. |
π V. Global Market Comparison (2026 Context)
| Country/Region | Recommended HS Code | Tariff (China Origin) | Key Certification | Note |
|---|---|---|---|---|
| πΊπΈ USA | 7311.00.00.30 / 9018.90.75.60 |
85% (Industrial) 35% (Medical) |
DOT, ASME, FDA | Highest tariffs globally due to Section 301 & 232. |
| π¨π³ China | 7311.00.00.30 |
Low/MFN Rate | CCC, GB Standards | Domestic production common. |
| πͺπΊ EU | 7311.00.00 |
0% - 2.5% | CE, PED (Pressure Equipment Directive) | No Section 301 tariffs. |
| π¬π§ UK | 7311.00.00 |
0% - 2.5% | UKCA, PECD | Post-Brexit rules apply. |
| π―π΅ Japan | 7311.00.00 |
0% - 1.5% | JIS Standards | Low tariffs, strict safety rules. |
π Conclusion:
- The US is the most challenging market due to the 85% effective tariff on steel gas containers.
- EU/UK/Japan are much more favorable (0-2.5%).
- Strategy: If targeting the US, consider manufacturing in a third country (e.g., Vietnam, Mexico) to avoid China-specific surcharges, or focus on high-value medical devices (35% tax) rather than generic steel tanks.
π VI. Common Errors & Pitfalls (Lessons Learned)
β Error 1: Declaring a standard steel industrial cylinder as Medical Equipment (9018) to save tax.
π Consequence: Customs rejects claim, reclassifies to 7311, demands 85% tax + penalties.
β Error 2: Not specifying Material in the invoice.
π Consequence: Customs may default to higher duty rates or hold shipment for inspection.
β Error 3: Ignoring Safety Standards (DOT/ASME).
π Consequence: Goods seized at border for not meeting US safety regulations, regardless of tax compliance.
β Error 4: Assuming "De Minimis" applies.
π Consequence: Shipments under $800 are NOT exempt from these tariffs. Full duty applies.
β Correct Practice:
"Steel Compressed Gas Cylinder, Industrial Grade, Empty, Made in China, DOT-Specified, HS: 7311.00.00.30"
OR
"Medical Therapeutic Oxygen Unit, Portable, FDA-Cleared, HS: 9018.90.75.60"
π― VII. Conclusion: Precision Saves Money!
π― Remember the Golden Rules:
πΉ "Steel Tanks = 85% in USA" (Unless Medical)
πΉ "Medical Oxygen = 35% in USA" (With Proof)
πΉ "Vague Descriptions = Delays & Penalties"
πΉ "Always Declare Origin & Material"
π Pro Tip:
If you are importing large volumes of industrial steel oxygen tanks into the US, calculate the 85% tariff impact carefully. Consider:
1. Reclassifying if any part of the product qualifies as a medical device.
2. Supply Chain Diversification (non-China origin) to mitigate Section 301/232 tariffs.
3. Pre-Ruling: Apply for a Binding Ruling from US Customs to confirm the HS Code and duty rate before shipment.
π£ Immediate Action:
π Consult a licensed customs broker.
π Prepare detailed technical specs and medical certifications (if applicable).
π Ensure compliance with DOT safety standards for pressure vessels.
β¨ Professional Clearance Starts with Accurate Classification!
πΌ Your Profit Margin Depends on the Right HS Code!
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) 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.