UNS N06022 (Alloy 22) Werkstoff 2.4602
UNS N06022, Alloy 22, known most widely by the Haynes version Hastelloy C22, is a nickel based alloy which provides excellent resistance to pitting, crevice corrosion and stress corrosion cracking. The combination of Chromium, Nickel, Molybdenum and Tungsten means the material exhibits excellent resistance in both oxidizing and reducing environments.
Data Sheet
Alloy 22, known most wdiely by the Haynes version Hastelloy C22, is a nickel based alloy which provides excellent resistance to pitting, crevice corrosion and stress corrosion cracking The combination of chromium, nickel, molybdenum and tungsten means the material exhibits excellent resistance in both oxidizing and reducing environments.
ASTM Specifications:- Sheet and plate ASTM B575, Bar and rod ASTM B574, Welded pipe ASTM B619, Seamless pipe ASTM B622, Pipefittings ASTM B366, Forgings ASTM B564
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Applications
- Pressure Vessels
- Chemical Industry
- Pumps
- Filters
Chemical Composition
| C |
(Carbon) |
0.15% Max |
| Cr |
(Chromium) |
20.0-22.5% |
| Fe |
(Iron) |
2.0-6.0% |
| Mn |
(Manganese) |
0.5% Max |
| Si |
(Silicon) |
0.08% Max |
| S |
(Sulphur) |
0.02% Max |
| Mo |
(Molybdenum) |
12.5-14.5% |
| Ni |
(Nickel) |
Balance |
| W |
(Tungsten) |
2.5-3.5% |
| V |
(Vanadium) |
0.35% Max |
| Co |
(Cobalt) |
3.5% Max |
Physical
| Density |
9000kg/m3 |
| Melting Range |
1354-1388 ºC |
Mechanical
| Hardness Brinell |
173 |
| Tensile Strength @ Break |
690 Mpa / 100000psi Min |
| Tensile Strength @ Yield |
345Mpa / 50000 psi 0.2% offsett |
| Elongation at yield |
67% |
| Modulus of Elasticity in tension |
207Gpa 30000 ksi |
* Above properties typical values of annealed plate material at room temp
Thermal
| CTELinear |
12.5 μm/m-ºC (@temp 20-217ºC) |
| Specific Heat Capacity |
0.422J/g-ºC @ 22ºC |
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consultation and testing. Material properties can vary from one manufacturer to another. See out terms and conditions of use.