Alloy C22 / 2.4602

Alternative and trade names
Alloy C22
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Description

Alloy C22 is very resistant to many corrosive media under oxidizing and reducing conditions. It is, for example, resistant to: Splitting, cracking and pitting corrosion, Moist chlorine gas, Chloride and hypochlorite ion attacks, Chlorine dioxide, Solutions of oxidizing salts

Related Standards

Equivalent Materials

This material data has been provided by Hempel Special Metals.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

Ashby charts

Properties

General

PropertyTemperatureValue

Density

23.0 °C

8.61 g/cm³

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Mechanical

PropertyTemperatureValueComment

Impact strength, Charpy notched

-96.0 °C

1200 kJ/m²

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min.

23.0 °C

1500 kJ/m²

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min.

Thermal

PropertyValue

Melting point

1355 - 1400 °C

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Chemical properties

PropertyValueComment

Carbon

0.01 %

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max.

Chromium

20 - 22.5 %

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Cobalt

2.5 %

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max.

Iron

2 - 6 %

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Manganese

0.5 %

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max.

Molybdenum

12.5 - 14.5 %

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Nickel

50 - 63 %

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Silicon

0.08 %

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max.

Sulfur

5E-3 %

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max.

Tungsten

2.5 - 3.5 %

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Vanadium

0.35 %

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max.

Technological properties

Property
Application areas

Alloy 22 is used in the petrochemical and chemical industry. 2.4602 is a common material when it comes to contact with hot, contaminated mineral acids, solutions or seawater.

It is used also in bleaching containers (such as in the pulp and paper industry) and acetic acid production in a reactor. Alloy 22 also occurs in components with sour gas applications.

Corrosion properties

Alloy C22 is very resistant to many corrosive media under oxidizing and reducing conditions. It is, for example, resistant to:

  • Splitting, cracking and pitting corrosion
  • Moist chlorine gas
  • Chloride and hypochlorite ion attacks
  • chlorine dioxide
  • Solutions of oxidizing salts

  • Welding

    Welding Rod (WIG) 2.4635