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Nickel Alloy 20 / 20Cb3


Technical Data Sheet

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

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.

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

Services

At Aircraft Materials all stock items can be shipped out within 24 hours, usually within the same day. Even cutting orders for bar or sheet can be processed and dispatched the same day, and for time-critical situations such as AOGs, we have a dedicated AOG service desk ready to help (aog@aircraftmaterials.com).

Thanks to our global logistics network we can source from anywhere in the world in just a few days. We use a range of transport partners to enable us to ship overnight within the U.K. and Europe and provide fast shipping solutions to the rest of the world. If your requirement is urgent we can offer a priority shipping service, but also if time is not so critical we can offer more cost-effective options to ensure you get the best value for money. To find out more about our services click here.

Disclaimer
Every effort is made to ensure that technical specifications are accurate. However, technical specifications included herein should be used as a guideline only. All specifications are subject to change without notice.

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