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Nickel Alloy 20 / 20Cb3
Technical Data Sheet
Alloy 020 (UNS N08020, W. Nr 2.4660) is a nickel-iron-chromium alloy which has the addition of copper and molybdenum. With the additions of niobium Alloy 020 is stabilized against sensitization and resultant intergranular corrosion. Alloy 020 has excellent resistance to general corrosion, pitting and crevice corrosion and is commonly used for chemical, pharmaceutical and food processing, tanks, piping, heat exchangers, pumps, Kevlar production and much more.
| Chemical Composition Limits | |||||||||||
| Weight % | Ni | Cr | Cu | Mo | Fe | C | Nb+Ta | Mn | P | S | Si |
| Alloy 20 | 32.0 - 38.0 | 19 - 21 | 3 - 4 | 2 - 3 | bal | 0.07 max | 8 x C-1 | 2 max | 0.045 max | 0.035 max | 1.0 max |
Typical Mechanical Properties
| Material | Yield Strength (0.2% Offset) | Tensile Strength | Elongation (%) | ||
| psi | MPa | psi | MPa | ||
| Alloy 20 | 45,000 | 300 | 90,000 | 620 | 40 |
Availability
Alloy 020 is available in Round Bar. For all stock availability contact Sales.
Specifications
| Alloy 20 Bar | ASTM B 473 |
| Alloy 20 Plate | ASME SB-463, ASME SB-464, ASTM B 463, ASTM B 464 |
| Alloy 20 Sheet | ASME SB-463, ASME SB-464, ASTM B 463, ASTM B 464 |
| Alloy 20 Strip | ASME SB-463, ASME SB-464, ASTM B 463, ASTM B 464 |
| Alloy 20 Wire | ASME SB-473 ASME SB-366, ASTM B 473, ASTM B 366 |
| Alloy 20 Weld Wire | AWS ER320LR, ASTM Weld Tube B468 |
| Alloy 20 Weld Pipe | ASTM B464 |
| Alloy 20 Other | UNS N08020, Werkstoff Nr. 2.4660, Covered Electrodes AWS E320LR, Fordings ASTM B462 |
