TUNG-SOL 322HR3 Plates Horse Shoe Getter 6SN7

( Brand: Tung-sol ), ( Manufacturer Part Number: 322HR3 ), ( Type: 6sn7 ), ( Unit Type: Unit ), ( Country Of Origin: United States )

Review TUNG SOL Vintage Black Plates Horse Shoe Getter Tested Good

The **Tung-Sol 322HR3 6SN7 Horse Shoe Getter** is a high-performance, industrial-grade getter designed for precision vacuum applications where reliability, durability, and superior pumping efficiency are paramount. Engineered with Tung-Sol s proprietary **Tungsten-Silicon (6SN7)** alloy, this getter plate combines exceptional thermal conductivity with remarkable resistance to thermal shock, making it ideal for environments where rapid temperature fluctuations or high-power processing cycles are common. The **horse shoe configuration** ensures even heat distribution across the surface, optimizing getter activation and maintaining consistent performance throughout prolonged use. With a **322-hour** rated lifespan under standard operating conditions, this getter is engineered for extended service life, reducing downtime and maintenance costs in critical applications such as semiconductor manufacturing, thin-film deposition, or high-vacuum metallization processes.

The **6SN7 alloy** within the getter plate is specifically formulated to deliver superior outgassing characteristics and enhanced reactivity with residual gases, including hydrogen, nitrogen, and hydrocarbons, while minimizing the risk of poisoning or degradation over time. Its robust construction allows for seamless integration into vacuum chambers, where it can be strategically positioned to maximize coverage and efficiency in gas absorption. The getter s ability to operate effectively at elevated temperatures typically between **400 C and 1,200 C** ensures rapid activation and sustained performance, even in demanding thermal environments. Additionally, the **high-purity tungsten-silicon composition** resists embrittlement and maintains structural integrity under cyclic heating and cooling, making it a dependable choice for applications requiring repeated thermal cycling.

Beyond its technical superiority, the **Tung-Sol 322HR3 6SN7** is designed with practicality in mind, featuring a **compact yet robust** horse shoe shape that allows for flexible installation in various chamber configurations without compromising performance. Its compatibility with standard getter activation methods such as resistive heating or electron bombardment ensures ease of integration into existing vacuum systems. Whether used in research laboratories, semiconductor fabrication, or advanced materials processing, this getter plate delivers a balance of **speed, efficiency, and longevity**, making it a trusted solution for engineers and technicians seeking to maintain ultra-high vacuum conditions with minimal operational interruptions. Built to withstand the rigors of industrial use, the **Tung-Sol 322HR3 6SN7** represents a benchmark in getter technology, offering unmatched reliability for the most demanding vacuum applications.

**Pros and Cons of buying a Tung-Sol 322HR3 6SN7 Plates (Horse Shoe Getter)**

### **Pros**

1. **High Heat Resistance** The 322HR3 alloy is designed for extreme temperatures, making it suitable for high-performance applications like turbochargers, exhaust manifolds, and other high-heat components. It can withstand prolonged exposure to temperatures above 1000 F (538 C) without significant degradation.

2. **Superior Strength and Durability** Tung-Sol alloys are known for their exceptional mechanical strength, even at elevated temperatures. The 6SN7 variant (a nickel-based superalloy) provides excellent resistance to thermal fatigue, oxidation, and creep, ensuring long-term reliability in demanding environments.

3. **Corrosion Resistance** The alloy s composition includes elements like chromium and nickel, which enhance resistance to corrosion from moisture, exhaust gases, and other aggressive substances commonly found in engine exhaust systems.

4. **Compatibility with High-Performance Engines** Ideal for turbocharged, supercharged, or forced-induction applications where traditional materials (like cast iron or mild steel) would fail under stress. It is often used in aftermarket exhaust systems, headers, and turbo backplates.

5. **Weldability and Machinability** While not as easy to weld as mild steel, 322HR3 can be successfully welded with proper techniques (e.g., TIG welding) and filler metals designed for nickel-based alloys. It can also be machined, though it requires carbide tools for optimal results.

6. **Lightweight Compared to Cast Iron** Nickel-based alloys are significantly lighter than cast iron or steel, which can contribute to improved engine response and reduced inertia in rotating or reciprocating components.

7. **Long-Term Cost Efficiency** While the upfront cost is higher than standard materials, its durability and resistance to failure can reduce long-term maintenance and replacement costs, especially in high-mileage or performance applications.

8. **Compatibility with Other High-Temp Materials** Often used alongside other premium materials like Inconel or stainless steel in exhaust systems, ensuring consistent performance across the entire assembly.

---

### **Cons**

1. **High Initial Cost** Tung-Sol alloys are significantly more expensive than conventional materials like steel or cast iron. This makes them a less accessible option for budget-conscious buyers or those working on standard engines.

2. **Specialized Installation Requirements** Requires proper handling, cutting, and welding techniques. Improper installation (e.g., using the wrong filler metal or incorrect welding methods) can lead to weak joints or premature failure. This may necessitate hiring a professional welder or machinist.

3. **Limited Availability of Tools and Suppliers** Not all auto shops or DIY mechanics will have experience working with nickel-based alloys. Finding compatible tools (e.g., carbide-tipped saws, proper welding equipment) may be challenging.

4. **Potential for Thermal Shock Sensitivity** While durable at high temperatures, sudden temperature changes (e.g., rapid cooling) can stress the material. This is less of an issue in exhaust systems but something to consider in applications with fluctuating heat loads.

5. **Weight Considerations in Some Applications** While generally lightweight, the added cost may not justify the weight savings in non-performance or stock applications where traditional materials suffice.

6. **Potential for Overkill in Mild Applications** For stock or lightly modified engines without forced induction, the benefits of 322HR3 may not be necessary, making it an unnecessary expense.

7. **Recycling and Disposal Challenges** Nickel-based alloys are not as easily recycled as steel, and disposal may require specialized handling, adding to the environmental and logistical considerations.

8. **Learning Curve for DIY Enthusiasts** Those without experience in high-temperature alloys may struggle with installation, leading to potential mistakes that compromise performance or safety.

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### **Conclusion**

The **Tung-Sol 322HR3 6SN7 plates** are an excellent choice for **high-performance, turbocharged, or supercharged applications** where traditional materials would fail due to heat, stress, or corrosion. Their superior heat resistance, strength, and durability justify the higher cost in scenarios where longevity and reliability are critical. However, they are **overkill for stock or mildly modified engines** where budget-friendly alternatives (e.g., stainless steel or cast iron) would perform adequately.

For **serious builders, racers, or those running extreme power levels**, the investment in 322HR3 plates is well worth it. For **casual or stock applications**, the cost may not be justified, and alternative materials would be more practical.

---

### **Recommendation**

- You are building or modifying a **turbocharged, supercharged, or high-performance engine**.

- You prioritize **long-term durability, heat resistance, and corrosion protection**.

- You have access to **proper welding and machining tools** or are working with a professional who does.

- Your budget allows for **premium materials** to avoid future failures.

- You are working on a **stock or mildly modified engine** without forced induction.

- You are on a **tight budget** and can use more affordable alternatives (e.g., 409 stainless steel, cast iron, or mild steel).

- You lack experience with **high-temperature alloys** and cannot ensure proper installation.

- The application does not require the **extreme heat resistance** that 322HR3 provides.

For most **aftermarket exhaust systems, turbo backplates, or headers in performance builds**, the 322HR3 is a **strong recommendation**. For everything else, consider whether the benefits outweigh the cost.

Details:

Tube is fine with some lettering worn from box rubs. The tube is a classic model that was manufactured in the USA, making it valuable and sought-after piece for vintage audio enthusiasts collectors. It has been tested and is in good working condition. The Tung-Sol brand is known for producing high-quality vacuum tubes, and this particular model, 322HR3, a sought-after item those looking to enhance their vintage audio setup with piece of history.

The product is a vintage Tung-Sol 6SN7 vacuum tube with black plates and horse shoe getter. Please look at the pictures for condition. Some may show scratches, dirt, missing writing and normal care condition. Please look at the pictures for details.

These would be nice for a new project or replacement tubes in another. These were tested with my newly calibrated Encore TC-162 tube tester and it seems to be in the 90% range no shorts or grid leak.

part #: 322hr3 prices

• $39.95-$64.97

specifications tubesocketvintagego:

• brand: Tung-sol
• mpn: 322hr3
• type: 6sn7
• unit type: Unit
• country of origin: United States

payments tubesocketvintagego:

• wallet: Apple-pay
• credit card: Discover
• other

shipping tubesocketvintagego:

• carrier: USPS
• service: USPS Ground Advantage
• transit: 4-7 Days
• class: Standard
• type: Calculated
• cost: $6.72

seller tubesocketvintagego:

• # reviews: 794
• rating: 100.0%
• city: Warner, New Hampshire

returns tubesocketvintagego:

• policy: No Returns

offer tubesocketvintagego:

• availability: In Stock
• quantity: 1
• options: Ship-to-home
• sold: 0
• started: May 14, 2026

general tubesocketvintagego:

• Vintage Audio Video > Vintage Parts Accessories > Vintage Tubes Tube Sockets
• condition: Used

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