Alloy20 - UNS N08020 Bolts & Nuts

Alloy20 - UNS N08020 Studs Bolts & Nuts:

Alloy 20, also known as UNS N08020, is a nickel-iron-chromium alloy with additions of copper and molybdenum, offering excellent resistance to sulfuric acid and other aggressive chemicals.

This alloy is particularly well-suited for applications in chemical processing, pharmaceutical, and food industries where corrosion resistance and stability are crucial.

- **Chemical Composition**: 
- Nickel (Ni): 32.0-38.0% 
- Chromium (Cr): 19.0-21.0% 
- Iron (Fe): 29.85-34.0% 
- Copper (Cu): 3.0-4.0% 
- Molybdenum (Mo): 2.0-3.0% 
- Manganese (Mn): 2.0% max 
- Silicon (Si): 1.0% max 
- Carbon (C): 0.07% max 
- Phosphorus (P): 0.045% max 
- Sulfur (S): 0.035% max.

- **Mechanical Properties**: 
- Tensile Strength: ≥80 ksi (551 MPa) 
- Yield Strength (0.2% Offset): ≥35 ksi (241 MPa) 
- Elongation (% in 2 inches): ≥30% 
- Hardness (Brinell): ≤217 HB.

- **Why Use Alloy 20 Studs and Bolts**:

  1. **Corrosion Resistance**: Alloy 20 studs and bolts offer exceptional resistance to a wide range of corrosive environments, including sulfuric acid, phosphoric acid, and chloride-containing solutions, making them suitable for chemical processing, pharmaceutical, and wastewater treatment industries.

  2. **Stability and Durability**: With its stable microstructure and high mechanical strength, Alloy 20 provides long-term durability and reliability, reducing the risk of bolt or stud failure in critical applications.

  3. **Versatility**: Alloy 20 studs and bolts are versatile and can be used in various applications requiring corrosion resistance and stability, offering a cost-effective solution for demanding environments.

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