Hastelloy C22
Hastelloy C22
 
Nickel Alloy 201
HASTELLOY C22
 
 

Hastelloy C22®, Nicrofer® 5621

A most versatile product like nickel-chromium-molybdenum-tungsten alloy available today with improved resistance to both localized and uniform corrosion as well as to a variety of mixed industrial chemicals but the Hastelloy C-22 alloy exhibits superior weldability and is used as weld overlay consumablesover and alloy filler wire to improve resistance to corrosion.

Hastelloy C-22 alloy has exceptional resistance to a wide variety of chemical process environments, including strong oxidizers such as cupric and ferric chlorides, chlorine, hot contaminated solutions like (inorganic and organic), acetic anhydride and acetic acids, formic, and seawater and brine solutions. Hastelloy C-22 alloy resists the formation of grain-boundary precipitates in the weld heat-affected zone, thus making it suitable for most chemical process applications in the as-welded condition..

Regent Steel supplies Hastelloy C22 in the form of Hastelloy plate, Hastelloy sheet, Hastelloy strip, Hastelloy bar, Hastelloy wire, Hastelloy pipe, Hastelloy tubing, Hastelloy pipe fittings and Hastelloy flanges.

Hastelloy C-22 should not be used in service temperatures above 1250 F due to the formation of detrimental phases which form above this temperature.

Hastelloy C22® provides resistance to general corrosion, pitting, crevice corrosion, intergranular attack, and stress corrosion cracking. Hastelloy C22® can be used for many applications such as marine, power, chemical processing, pollution control, paper processing, and waste disposal industries. Hastelloy C22® contains chromium, molybdenum, tungsten, and iron which makes the alloy resistant to corrosion in stagnant or flowing seawater. The alloy is formed by gas tungsten-arc, gas metal - arc, and shielded metal-arc processes.

 
Chemical Analysis of Alloy C22 (UNS N06022)
C
MN
P
S
Si
Cr
Ni
Mo
Cu
Co
Cb+Ta
Ti
Al
Fe
W
V
.015 max
.50 max
.02
max
.02 max
.08 max
20.0 - 22.5
rem
12.5 - 14.5
 
2.5 max
     
2.0 - 6.0
2.5 - 3.5
.35 max
 
Specification:-
 
Sheet / Plate
 
ASME SB-575
 
Round Bar
 
ASME SB-574
 
Pipe
 
ASME SB-622 / ASME SB-619 / ASME SB-775
 
Tube
 
ASME SB-622 / ASME SB-516 / ASME SB-626
 
Fittings
 
ASME SB-366
 
Forgings
 
ASME SB-564
Alloy Reference Guide
 
All Fields are Compulsory
 
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