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                        Hastelloy C-22
 
ASME SB-622, ASME SB-626 ASTM B-574, ASTM B-575, ASTM B-619, ASTM B-622, ASTM B-626, DIN 17744 No. 2.4602, TUV Werstoffblatt 479, UNS N06022, ASME SB-574, ASME SB-575, ASME SB-619, NACE MR-01-75
Chemical Requirement

Alloy

%

Ni

Cr

Mo

Fe

W

Co

C

Mn

Si

V

P

S

C22

Min.

balance

20.0

12.5

2

2.5

 

 

 

 

 

 

 

Max.

22.5

14.5

6

3.5

2.5

0.015

0.5

0.08

0.35

0.02

0.02
Material Notes:
Outstanding resistance to localized corrosion and excellent resistance to stress corrosion cracking, best alloy to use as a universal weld filler metal to resist corrosion of weldments. Applications include acetic acid/acetic anhydride, acid etching, cellophane manufacturing, chlorination systems, complex acid mixtures, electro-galvanizing rolls, expansion bellows, flue gas scrubber systems, geothermal wells, HF furnace scrubbers, incinerator scrubber systems, nuclear fuel reprocessing, pesticide production, phosphoric acid production, pickling systems, plate heat exchangers, selective leaching systems, SO2 cooling towers, sulfonation systems, tubular heat exchangers, weld overlay-valves.
 
Hastelloy C-22 Physical properties
Density

8.9 g/cm³

Melting point

1325-1370 ℃

 
Hastelloy C-22 Alloy m inimum mechanical properties in the roomtemperature
Alloy state

Tensile strength
Rm N/mm²

Yield strength
R P 0.2 N/mm²

Elongation
A 5 %

Hastelloy C22

690

283

40
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