Incoloy 8020 (Alloy 20 / UNS N08020): niobium-stabilized nickel-iron-chromium alloy with copper and molybdenum – offering outstanding resistance to sulfuric acid and chloride stress corrosion cracking, excellent weldability, and reliable performance for chemical processing equipment including heat exchangers, piping, valves, and pumps
Incoloy 8020, also known as UNS N08020 and W.Nr. 2.4660, is a corrosion-resistant nickel-iron-chromium alloy commonly referred to as Alloy 20. It is specifically designed to provide excellent resistance to sulfuric acid and other aggressive chemical environments.
This alloy is widely used in chemical processing, petrochemical, and pharmaceutical industries where resistance to corrosion and reliability are essential.
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Hastelloy C276
Incoloy 825
Inconel 625
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Key Features
- Excellent resistance to sulfuric acid
- Strong protection against pitting and crevice corrosion
- Good resistance to stress corrosion cracking
- Reliable performance in aggressive chemical environments
- Good fabrication and weldability
Applications
Incoloy 8020 is widely used in industries requiring corrosion resistance:
- Chemical processing equipment
- Sulfuric acid handling systems
- Heat exchangers
- Pharmaceutical production
- Food and processing industries
Incoloy 8020 vs Other Alloys
8020 vs Alloy 825
- 8020: Better for sulfuric acid environments
- 825: More general corrosion resistance
8020 vs Hastelloy C276
- 8020: Cost-effective for specific acid environments
- C276: More versatile in extreme conditions
Why Choose Our Incoloy 8020
- Reliable manufacturer with global supply capability
- Strict quality inspection and certifications
- Competitive pricing and fast delivery
- Custom sizes and processing services available
- Professional technical support
FAQ Section
What is Incoloy 8020 equivalent to?
It is commonly known as Alloy 20 and corresponds to UNS N08020 and W.Nr. 2.4660.
What is Incoloy 8020 used for?
It is mainly used in chemical processing, especially for handling sulfuric acid and aggressive chemicals.
Is Incoloy 8020 corrosion resistant?
Yes, it offers excellent resistance to sulfuric acid and chloride environments.
Is Incoloy 8020 weldable?
Yes, it has good weldability and fabrication properties.
