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Alloy 22

A nickel-chromium-molybdenum grade, Alloy 22 exhibits excellent resistance to both oxidising and reducing environments.

With the addition of tungsten, alloy 22 provides exceptional resistance to pitting and crevice corrosion, in oxidising acid halide environments.

Inventory

Product FormSize range fromSize range to
Alloy 22 welding wire0.89 mm3.175 mm
Alloy 22 sheet & plate0.96 mm50.8 mm
Alloy 22 round tubing6.35 mm50.8 mm
Alloy 22 round bar3.175 mm279.4 mm
Alloy 22 pipe0.375 in8 in
Alloy 22 pipe fittings0.375 in8 in
Alloy 22 flanges0.375 in8 in

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Pipe

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Pipe Fittings

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Flanges

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Welding Consumables

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Sheet & Plate

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Round Bar

Chemical Analysis

%NiCrMoFeWCoCMnSiVPS
MinBalance2012.522.5-------
Max-22.514.563.52.50.0150.50.080.350.020.02

Applications

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Perfect for applications in the Chemical Processing Industry

Alloy 22 can be used in a variety of applications, here are just a few examples:

  • Reactors and pressure vessels
  • Nutsche pressure filters
  • Centrifugers and dryers
  • Agitators and mixers
  • Containment vessels and glove boxes
  • Pollution control equipments
  • Flue gas desulphurisation (FGD) lined ducts and dampers

About Alloy 22

Due to its high nickel content, Alloy 22 is immune to chloride-induced stress corrosion cracking.

The alloy demonstrates outstanding resistance to pitting and crevice corrosion particularly in high chloride containing environments.

Alloy 22 has exceptional resistance to a large range of chemical process environments, including ferric chlorides, chlorine, hot contaminated solutions, acetic acids, seawater and brine solutions. Alloy 22 is the ideal choice when considering alloys for use in extreme corrosive environments.

If you require any additional information on this alloy, then please don’t hesitate to contact us.

Properties

Density:
8.61g/cm³
Melting Range:
1351-1387°C
Hardness:
89 HRB
Specific Heat Capacity:
381 J/kg.°C
Electrical Resistivity:
1.215µΩ.m
Curie Temperature:
< -196°C
Poisson's Ratio:
0.3

Specifications

UNS Number:
N06022
W.Nr.Number:
2.4602
Standards:
ASTM B564, B574, B575, B619, B622, B626, B366, B462, B775
Download the Alloy 22 Data Sheet Download

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