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Alloy 22 / Hastelloy C-22 (UNS N06022)


Technical Data Sheet

Chemical Composition Limits
Weight % Ni Cr Mo Fe W Co V C Mn S Si P
Alloy 22 Bal 20-22 12.5-14.5 2-6 2.5-3.5 2.5 max 0.35 max 0.015 max 0.50 max 0.02 max 0.08 max 0.02 max

Alloy 22 (UNS N06022) is the most versatile Nickel-Chromium-Molybdenum-Tungsten alloy with controlled Iron. Due to Alloy 22's content this alloy exhibits excellent resistance to both oxidising and reducing acid environments as well as those containing mixed acids. Alloy 22 is particularly useful for resistance to pitting and crevice corrosion in acid-halide environments. Alloy 22 is used in pickling chlorination, sulphonation plants, pollution control, chemical processing, marine and nuclear fuel reprocessing.

Typical Mechanical Properties

Material Yield Strength (0.2% Offset) Tensile Strength Elongation (%)
ksi MPa ksi MPa
Alloy 22 Bar 55 379 115 793 60

Availability
Alloy 22 is available in Bar, Sheet, Plate, Forging Stock and Welding Wire. For all stock availability contact Sales.

Specifications

Alloy 22 Bar ASTM B574, ASTM B462, DIN 17752, ISO 9724, ISO 9723
Alloy 22 Plate ASTM B 575
Alloy 22 Sheet ASTM B 575, ASTM B906, ASME SB 575 ASME SB 906, ASME Code Case 2226, ISO 6208, DIN 17750
Alloy 22 Strip ASTM B 575, ASTM B906, ASME SB 575 ASME SB 906, ASME Code Case 2226, ISO 6208, DIN 17750
Alloy 22 Wire ASTM B574, DIN 17753
Alloy 22 Forging ASTM B564, ASTM SB564, DIN 17754
Alloy 22 Pipe Seamless Pipe ASTM B622, Weld Pipe ASTM B619, ASTM B775
Alloy 22 Tube Seamless Tube, ASTM B622, ASTM B829, Weld Tube ASTM B626, DIN 17751, ISO 6207
Alloy 22 Fitting ASTM B366, ASME SB366
Alloy 22 Other UNS N06022, Werkstoff Nr 2.4602

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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