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

VdTÜV Data Sheet 479

Equivalent Materials

This material data has been provided by Hempel Special Metals.

"Typical" values were obtained via a literature search. "Predicted" values were imputed via artificial intelligence technology. While we have placed significant efforts in ensuring data accuracy, "typical" and "predicted" data should be considered indicative and verified by appropriate material testing. Please do contact us if additional information on the the predicted data method is required.
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

All categories

Properties

General

Property	Temperature	Value
Density	23.0 °C	8.61 g/cm³ Show Supplier Material materials with Density of 8.61 g/cm³

Mechanical

Property	Temperature	Value	Comment
Impact strength, Charpy notched	-96.0 °C	1200 kJ/m² Show Supplier Material materials with Impact strength, Charpy notched of 1200 kJ/m²	min.
	23.0 °C	1500 kJ/m² Show Supplier Material materials with Impact strength, Charpy notched of 1500 kJ/m²	min.

Thermal

Property	Value
Melting point	1355 - 1400 °C Show Supplier Material materials with Melting point of 1355 - 1400 °C

Chemical properties

Property	Value	Comment
Carbon	0.01 % Show Supplier Material materials with Carbon of 0.01 %	max.
Chromium	20 - 22.5 % Show Supplier Material materials with Chromium of 20 - 22.5 %
Cobalt	2.5 % Show Supplier Material materials with Cobalt of 2.5 %	max.
Iron	2 - 6 % Show Supplier Material materials with Iron of 2 - 6 %
Manganese	0.5 % Show Supplier Material materials with Manganese of 0.5 %	max.
Molybdenum	12.5 - 14.5 % Show Supplier Material materials with Molybdenum of 12.5 - 14.5 %
Nickel	50 - 63 % Show Supplier Material materials with Nickel of 50 - 63 %
Silicon	0.08 % Show Supplier Material materials with Silicon of 0.08 %	max.
Sulfur	5E-3 % Show Supplier Material materials with Sulfur of 5E-3 %	max.
Tungsten	2.5 - 3.5 % Show Supplier Material materials with Tungsten of 2.5 - 3.5 %
Vanadium	0.35 % Show Supplier Material materials with Vanadium of 0.35 %	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