ALLOY 20
Chemical Composition %
C | Cb | Cr | Cu | Mn | Mo | Ni | P | S | Si | Ta |
Max | 8 times |
|
| Max |
|
| Max | Max | Max | 8 times |
0.07 | Carbon-1.00 | 19.0-21.0 | 3.0-4.0 | 2.0 | 2.0-3.0 | 32.0-38.0 | 0.045 | 0.035 | 1.0 | Carbon-1.00 |
Availability
ALLOY20 PRODUCT FORMS
• ALLOY20 Strip
• ALLOY20 Foil
• ALLOY20 FLAT
• ALLOY20 Wire
• ALLOY20 Round
• ALLOY20 CIRCLE
Specifications
ASTMB 729
UNSUNS - N08020
Description
Alloy 20 is one of the so-called "Super" stainless steels that was designed for maximum resistance to acid attack. It's nickel, chromium, molybdenum and copper content contribute to its overall resistance to chlorideon stress corrosion cracking and general pitting attack. The alloy is stabilized with columbium to minimize carbide precipitation during welding. It has good mechanical properties and can be fabricated with comparative ease. Athough the alloy was designed for use in sulfuric acid related industries, it finds wide usage throughout the chemical processing industry. It also is used for processing pharmaceuticals, food, gasoline, solvents, plastics, explosives, synthetic fibers and many other products.
Design Features
Superior resistance to stress-corrosion cracking in boiling 20 to 40% sulfuric acid.
Excellent general corrosion resistance to sulfuric acid.
Excellent resistance to chloride stress corrosion cracking.
Excellent mechanical properties and fabricability.
Minimal carbide precipitation during welding.
Typical Applications
Chemical and allied industriesFood and dye productionHeat exchangersSO 2 scrubbers and other severe environmentsTanksPickling racksValves
Tensile Requirements
Tensile Strength (KSI) 80Yield Strength (KSI) 35KSI can be converted to MPA (Megapascals) by multiplying by 6.895.
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Suppliers and Exporters of ALLOY20 Flat , in Countries Like Trinidad & Tobago,Tunisia, China, Azerbaijan, Belgium, Switzerland, Nigeria, Chile, Namibia, Philippines, United States, Egypt, Nepal, Mongolia, Taiwan, Czech Republic, Mexico, Libya, Hong Kong, Hungary, Gabon, Austria, Ecuador, Puerto Rico, Pakistan, Peru, Mexico, Israel, Lebanon, Norway, Netherlands, Singapore, Sweden, Iran, Russia, Morocco, Gambia, Greece, Belarus, Bhutan, Macau, South Korea, Australia, Kenya, Portugal, Croatia, Ireland, Afghanistan, Ghana, Qatar, Romania, Poland, Italy, United Arab Emirates, Germany, Colombia, Slovakia, Kuwait, Costa Rica, Sri Lanka, Bulgaria, Tibet, Argentina, Estonia, Malaysia, Turkey, Bangladesh, Finland, South Africa, Iran, Bolivia, Nigeria, Spain, Yemen, Oman, Jordan, United Kingdom, Indonesia, Algeria, Japan, France, India, Angola, Ukraine, Denmark, Kazakhstan, Vietnam, Lithuania, Chile, Thailand, New Zealand, Venezuela, Iraq, Serbia, Zimbabwe, Canada, Saudi Arabia, Poland, Brazil, Bahrain.
