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Alloy 20 Bar

    ASTM/ASME SB 473 Alloy20/UNS N08020 nickel-iron-chromium austenitic alloy bar
0086-17695531343
sales@tsingshan-scaffold.com

ASTM/ASME SB 473 Alloy20/UNS N08020 nickel-iron-chromium austenitic alloy bar


Nickel Alloy 20, UNS N08020 is an austenitic metal primarily comprised of nickel, iron, and chromium. It was originally developed to fill an industrial need for elite resistance to acidic substances, and alloy 20 is particularly adept at resisting the damaging effects of sulfuric acid. Sometimes classified as a "super alloy," alloy 20 also displays strong mechanical properties and is relatively easy to machine and fabricate.


What are the characteristics of Alloy 20?

  • Excellent general corrosion resistance to sulfuric acid

  • Excellent resistance to chloride stress corrosion cracking

  • Excellent mechanical properties and fabricability

  • Minimal carbide precipitation during welding

  • Excels in resisting corrosion to hot sulfuric acids

Chemical Composition, %

NiFeCrCuMoNbCMnPSSi
32.00-38.00Balance19.0-21.03.0-4.02.0-3.0
8xC-1.0 max.07max2.0 max.045 max.035 max1.0 max


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