Alloy 20 Products Overview
Alloy 20, also known as Carpenter 20, is a nickel-iron-chromium alloy designed for exceptional corrosion resistance, especially in sulfuric acid environments. It is widely used in chemical, pharmaceutical, and food processing industries.
Properties of Alloy 20
- Corrosion Resistance: Excellent resistance to sulfuric acid and other aggressive chemicals.
- Strength: High strength and durability for demanding applications.
- Temperature Resistance: Maintains mechanical properties in high-temperature environments.
- Weldability: Easily welded and fabricated using standard techniques.
- Non-Magnetic: Suitable for applications requiring non-magnetic materials.
Applications of Alloy 20 Products
- Chemical Industry: Used in reactors, heat exchangers, and piping systems due to its corrosion resistance.
- Pharmaceutical Sector: Applied in pharmaceutical equipment exposed to acidic environments.
- Food Processing: Suitable for food production applications requiring sanitary, corrosion-resistant materials.
- Marine Industry: Resistant to seawater and other corrosive marine environments.
- Power Generation: Used in condensers and heat exchangers in power plants.
Chemical Composition of Alloy 20 Products
Product |
Ni (%) |
Fe (%) |
Cr (%) |
Cu (%) |
Other (%) |
Alloy 20 |
32-38 |
35-45 |
19-21 |
3-4 |
1-2 |
Mechanical Properties of Alloy 20 Products
Product |
Tensile Strength (MPa) |
Yield Strength (MPa) |
Elongation (%) |
Hardness (HB) |
Alloy 20 |
550-750 |
240-350 |
30-40 |
150-220 |
Specification Standards for Alloy 20 Products
Product |
Standard |
Description |
Alloy 20 |
ASTM B463 |
Standard Specification for Welded Alloy 20 Plate, Sheet, and Strip |
Alloy 20 |
ASTM B464 |
Standard Specification for Welded Alloy 20 Pipe |