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Alloy C22 / 2.4602

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

Material Data Sheet

Material Designation 2.4602
Alloy Alloy C22
EN Material Symbol NiCr21Mo14W
UNS N06022
VdTÜV Datasheet 479

Main fields of application of alloy C22

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.

Chemical composition of alloy C22

C Si Mn P S Cr Mo
% ≤ % ≤ % ≤ % ≤ % % %
0-0.01 0-0.08 0-0.5 0-0.015 0-0.005 20.0-22.5 12.5-14.5
Ni Co Fe W V  
% ≤ % % % %  
50.0-63.0 0-2.5 2.0-6.0 v 0-0.35  

Characteristics of alloy C22

Temperature Range Material for wet corrosion
Density 8.61 g/cm³
Melting Range 1355 - 1400°C
ISO-V notch impact toughnessISO-V notch impact toughness ≥ 150 J/cm² at room temperature
  ≥ 120 J/cm² at -196°C

Filler metal (for welding with alloy C22)

Welding Rod (WIG) 2.4635

Delivery program

Sheets / Plates mm

2 - 15

Bars / Billets diameter mm


Precision strip mm

02. - 0.5

With short delivery time:

plates or sheets, tubes, flanges, forged or die-cut rings and round blanks, elbows, T-fittings, reductions, screws, nuts or washers according to your request. According to your individual wishes, we are able to cut our material with our plasma- or water jet cutter. Our material is stocked in superformats of 2000x6000mm. Cut to size on request.

Material Outlet by Hempel

ECONOXX.com offers buyers a new and uncomplicated procurement channel, which also includes small quantities and materials in special alloys at favourable conditions.

Product Count

Coil (2)

Coil Coil 2.4602 - C22

Coil slit strip (2)

Coil slit strip Coil slit strip 2.4602 - C22

Sheets & plates (11)

Sheets & plates Sheets & plates 2.4602 - C22

Round bars (1)

Round bars Round bars 2.4602 - C22

Disk (1)

Disk Disk 2.4602 - C22

Contact us

Wido Glombitza
Wido Glombitza
Business Unit Manager Medical, Aerospace, Industry

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