- Excellent resistance to sulfuric acid corrosion
- Superior protection against chloride stress corrosion cracking
- Good resistance to pitting and crevice corrosion
- Stable mechanical properties in chemical environments
- Good weldability and fabrication performance
- Suitable for highly corrosive industrial applications
Alloy 20 Strip Supplier
Alloy 20 strip (UNS N08020) is a nickel-iron-chromium alloy designed for excellent resistance to sulfuric acid, chloride stress corrosion cracking, and pitting corrosion. It is widely used in chemical processing and aggressive industrial environments requiring superior corrosion performance.
Key Features
- Excellent resistance to sulfuric acid corrosion
- Superior protection against chloride stress corrosion cracking
- Good resistance to pitting and crevice corrosion
- Stable mechanical properties in chemical environments
- Good weldability and fabrication performance
- Suitable for highly corrosive industrial applications
Chemical Composition
| Element | Content (%) |
|---|---|
| Nickel (Ni) | 32.0 – 38.0 |
| Chromium (Cr) | 19.0 – 21.0 |
| Iron (Fe) | Balance |
| Molybdenum (Mo) | 2.0 – 3.0 |
| Copper (Cu) | 3.0 – 4.0 |
| Manganese (Mn) | 1.0 max |
| Silicon (Si) | 1.0 max |
| Carbon (C) | 0.07 max |
| Phosphorus (P) | 0.045 max |
| Sulfur (S) | 0.035 max |
Applications
- Chemical processing equipment
- Sulfuric acid handling systems
- Heat exchangers and reactors
- Pharmaceutical industry equipment
- Food processing equipment
- Pollution control systems
- Marine and offshore environments
FAQ
1. What is Alloy 20 strip used for?
Alloy 20 strip is mainly used in chemical processing industries, especially in sulfuric acid and corrosive environments.
2. Is Alloy 20 resistant to acid corrosion?
Yes. Alloy 20 offers excellent resistance to sulfuric acid and many aggressive chemical media.
3. Can Alloy 20 strip be welded?
Yes. Alloy 20 has good weldability and is suitable for standard fabrication processes.
4. What standards apply to Alloy 20 strip?
Common standards include ASTM B463 and UNS N08020.
5. Is custom sizing available?
Yes. Alloy 20 strip can be supplied in custom thicknesses, widths, and coil forms according to customer requirements.
Get a quote
Contact us now for a quotation.
Email: sales@hengyimetal.com
WhatsApp:+86 19521258704
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