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CN β†’ US
HS Code Tariff Rate Origin Destination Doc
7326908688 87.9% CN US Official Doc
7326190080 87.9% CN US Official Doc
8412909015 35.0% CN US Official Doc
8412909035 35.0% CN US Official Doc

AI Analysis

Based on the provided <DATA>, here is the detailed classification, tax analysis, and customs clearance guide.


πŸ› οΈ Valve Block (Hydraulic/Pneumatic & Steel Components)


🌐 HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Clearance Strategy
πŸ“Œ 1. Product Definition & Classification: What is a "Valve Block"?

A Valve Block (also known as a Manifold or Valve Plate) is a consolidated unit used to control fluid flow in hydraulic or pneumatic systems. It consists of multiple valves mounted on a common block to save space and piping.

Key Classification Logic: The classification depends entirely on what powers the valve and what material it is made of: 1. Hydraulic Valve Block: Contains valves for fluid power transmission β†’ Classified under Chapter 84 (Machinery). 2. Pneumatic Valve Block: Contains valves for compressed air β†’ Classified under Chapter 84 (Machinery). 3. Plain Steel Block/Bracket: If it is just a shaped piece of steel with holes, lacking functional valve components or specific mechanical control features β†’ Classified under Chapter 73 (Articles of Iron/Steel).

⚠️ Critical Distinction:
- If the item includes functional valves (pistons, spools, springs) for controlling fluid/air β†’ HS 8412.90...
- If the item is merely a structural steel plate/block without active control mechanisms β†’ HS 7326.90... or 7326.19...


πŸ“¦ 2. HS Code Classification Matrix (From Provided Data)

HS Code Product Description Category Applicable Scenario Material/Function
8412.90.90.15 Parts of Hydraulic Power Engines/Motors Functional Part Hydraulic valve manifold, hydraulic control block βœ… Hydraulic System Component
8412.90.90.35 Parts of Pneumatic Power Engines/Motors Functional Part Pneumatic valve manifold, air control block βœ… Pneumatic System Component
7326.90.86.88 Other Articles of Iron or Steel Non-Functional Steel Part Plain steel mounting plate, unworked steel block with holes ❌ No active valves; just steel structure
7326.19.00.80 Forged/Stamped Steel Articles Stamped Steel Part Stamped steel valve cover or bracket (not further worked) ❌ Stamped/Forged; lacks hydraulic/pneumatic function

πŸ” Key Insight:
- Functional Hydraulic/Pneumatic blocks are considered "Parts of engines and motors" because they are integral to the power transmission system. They fall under 8412.
- Non-functional steel blocks (e.g., a raw steel block used as a base or mount) fall under 7326 (Articles of iron/steel).


πŸ’° 3. 2026 Latest Tariff Rate Breakdown

βœ… Scope: Based strictly on provided <DATA>
πŸ‡ΊπŸ‡Έ Market: US Import (Implied by "Additional Tariffs" structure)
πŸ‡¨πŸ‡³ Origin: China (Assumed based on typical tariff structures in data)

🎯 1. 8412.90.90.15 – Hydraulic Valve Block

Item Detail
Description Parts of Hydraulic Power Engines and Motors
Base Tariff 0.0%
Additional Tariff 25.0% (Section 301)
Total Tax Rate 25.0%
Tax Calculation CIF Value Γ— 25%
Special Notes No "Steel/Aluminum/Copper" specific surcharge applies here because it is classified as Machinery Part (8412), not general steel article.

πŸ“Œ Why 25%?
This falls under "Parts of Hydraulic Engines." The additional 25% tariff is standard for many machinery parts from China under trade remedies. It does not incur the extra 50% steel tariff because it is not classified as a generic steel article.


🎯 2. 8412.90.90.35 – Pneumatic Valve Block

Item Detail
Description Parts of Pneumatic Power Engines and Motors
Base Tariff 0.0%
Additional Tariff 0.0%
Total Tax Rate 0.0%
Tax Calculation CIF Value Γ— 0%
Special Notes Duty-Free! Pneumatic parts often face lower trade barriers than hydraulic parts.

πŸ“Œ Why 0%?
Unlike hydraulic parts, pneumatic parts in this specific subheading currently enjoy zero additional tariffs in the provided dataset. This is a significant cost advantage.


🎯 3. 7326.90.86.88 – Plain Steel Valve Block/Plate

Item Detail
Description Other Articles of Iron or Steel (Other)
Base Tariff 0.0%
Additional Tariff 0.0% (Standard)
Steel/Aluminum/Copper Surcharge 50.0% (Specific Steel Surcharge)
Total Tax Rate 50.0%
Tax Calculation CIF Value Γ— 50%
Special Notes HIGH RISK! If misclassified as a "part" (8412), you pay 25%. If correctly identified as a "steel article," you pay 50%.

πŸ“Œ Why 50%?
The data explicitly states: "Steel, Aluminum, Copper Products Additional Tariff: 50%".
If your valve block is not functionally a hydraulic/pneumatic part but just a steel block, it triggers this punitive steel tariff. Do not misclassify a functional part as steel to avoid this; customs audits will catch it.


🎯 4. 7326.19.00.80 – Stamped/Forged Steel Part

Item Detail
Description Forged or Stamped Steel Articles (Other)
Base Tariff 2.9%
Additional Tariff 25.0% (Standard Additional)
Steel/Aluminum/Copper Surcharge 50.0% (Specific Steel Surcharge)
Total Tax Rate 77.9%
Tax Calculation CIF Value Γ— 77.9%
Special Notes Highest Rate! Combines base, standard additional, and steel surcharge.

πŸ“Œ Why 77.9%?
This is a "double whammy." The item is considered both a standard Chinese import (25%) and a steel article (50%), plus a small base tariff (2.9%).
Only use this code if the item is purely a stamped steel bracket with NO hydraulic/pneumatic function.


πŸ› οΈ 4. Customs Clearance Practical Advice (Pitfall Avoidance)

βœ… 1. Preparation Checklist (Must-Haves)

Document Required? Purpose
βœ… Technical Drawing βœ”οΈ Shows internal channels, valve mounts, and ports. Proves it's a "part" (8412) not just a "block" (7326).
βœ… Product Specification Sheet βœ”οΈ Must state: "Hydraulic Valve Manifold" or "Pneumatic Control Block."
βœ… Bill of Materials (BOM) βœ”οΈ Lists valves, spools, springs. Proves functional complexity.
βœ… Photos (Inside/Outside) βœ”οΈ Show internal machining and valve seats.
βœ… Commercial Invoice βœ”οΈ Must accurately describe as "Hydraulic Valve Block" or "Pneumatic Valve Manifold."

βœ… 2. Declaration Strategy (Key Tips)

πŸ”₯ "Function Dictates Code, Not Material!"

Scenario Recommended HS Code Reason
Hydraulic Valve Block (with valves/spools) 8412.90.90.15 It is a part of a hydraulic engine. Lower tax (25%) than steel article.
Pneumatic Valve Block (with valves/spools) 8412.90.90.35 It is a part of a pneumatic engine. Duty-free (0%).
Steel Mounting Plate (no valves, just holes) 7326.90.86.88 It is a steel article. High tax (50%), but correct.
Stamped Steel Cover 7326.19.00.80 It is a stamped part. Highest tax (77.9%).

⚠️ Warning:
- Do NOT declare a hydraulic valve block as "Steel Fitting" (7326) to avoid the 25% tariff. If it has hydraulic function, it must be 8412. Misclassification leads to audits, penalties, and possible seizure.
- Do NOT declare a plain steel plate as "Hydraulic Part" (8412). If it has no valves, it’s 7326. Customs will assess the 50% steel tariff retroactively.

βœ… 3. Special Handling

Situation Advice
Mixed Shipments Separate hydraulic and pneumatic blocks in invoice to apply correct rates (25% vs 0%).
Kit Assemblies If valves are sold loose, do not pack them with the block as a single "valve block." Declare them separately to avoid ambiguity.
Customs Ruling For large volumes, request an Advance Ruling from CBP to confirm 8412 classification for your specific design.

🌍 5. Global Market Comparison (Inferred from Data Patterns)

Market Likely HS Code Estimated Duty (China Origin) Notes
πŸ‡ΊπŸ‡Έ USA 8412.90.90.15 25% Specific steel surcharge (50%) does not apply to 8412.
πŸ‡ΊπŸ‡Έ USA 7326.90.86.88 50% Steel surcharge applies heavily here.
πŸ‡ͺπŸ‡Ί EU 8413.70 (Similar) ~2.7% EU typically has lower base tariffs for machinery parts, but check for anti-dumping.
πŸ‡¨πŸ‡³ China 8413.70 ~5% Import duty into China for foreign-made valve blocks.

πŸ“Œ Conclusion for US Import:
- Hydraulic Blocks: 25% tariff.
- Pneumatic Blocks: 0% tariff.
- Plain Steel Parts: 50-77.9% tariff.
Optimization Strategy: If your product can be designed as a pneumatic component instead of hydraulic, you save 25% in duties. If it must be hydraulic, ensure it is clearly described as a functional part to avoid the punitive 50% steel tariff.


πŸ“Œ 6. Common Mistakes & How to Avoid Them

❌ Mistake 1: Calling a hydraulic valve block a "Steel Fitting."
πŸ‘‰ Result: Customs may accept it initially, but if they audit, they will reclassify to 7326 and charge 50% instead of 25%, plus penalties.
βœ… Fix: Always declare as "Hydraulic Valve Manifold/Block."

❌ Mistake 2: Ignoring the difference between Hydraulic and Pneumatic.
πŸ‘‰ Result: Paying 25% when you should pay 0% (if pneumatic).
βœ… Fix: Check fluid type. Air = 8412.90.90.35 (0%). Oil/Hydraulic = 8412.90.90.15 (25%).

❌ Mistake 3: Declaring a stamped steel cover as a "Valve Block."
πŸ‘‰ Result: If it lacks valves, it’s not a part of an engine. Reclassified to 7326.19.00.80 β†’ 77.9% tariff.
βœ… Fix: Only use 8412 if it contains functional valve components.


🎯 7. Final Recommendation

🎯 Strategic Takeaway:

πŸ”Ή Hydraulic Valve Blocks: Pay 25%. Safe if classified as 8412.
πŸ”Ή Pneumatic Valve Blocks: Pay 0%. Best option for cost savings.
πŸ”Ή Plain Steel Parts: Pay 50-77.9%. Avoid if possible; design to include functional elements if allowed.

πŸ“Œ Action Item:

Review your product’s technical specs.
- If it controls air β†’ Use 8412.90.90.35.
- If it controls oil/hydraulics β†’ Use 8412.90.90.15.
- If it is just steel β†’ Prepare for 50-77.9% tax or redesign to include functional parts.


✨ Professional Clearance, Precise Classification, Maximum Savings!
πŸ’Ό Every dollar saved in duty is pure profit.

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.