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Special Metals INCONEL® alloy 22 Austenitic Alloy

Category Metal , Nonferrous Metal , Nickel Alloy
Manufacturer Special Metals (includes the former Inco Alloys International Inc.)
Trade Name INCONEL®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Special Metals INCONEL® alloy 22 Austenitic Alloy.pdf
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Material Notes:
INCONEL® alloy 22 (UNS N06022; W.Nr. 2.4602; NiCr21Mo14W) is a fully austenitic advanced corrosion-resistant alloy that offers resistance to both aqueous corrosion and attack at elevated temperatures. This alloy provides exceptional resistance to general corrosion, pitting, crevice corrosion, intergranular attack, and stress corrosion cracking. Alloy 22 has found numerous applications in the chemical/petrochemical processing, pollution control (flue gas desulfurization), power, marine, pulp and paper processing, and waste disposal industries.Information Provided by Special Metals Corporation
Physical Properties Metric English Comments
Density 8.61 g/cc
0.311 lb/in³
Mechanical Properties Metric English Comments
Hardness, Rockwell B 89
89
Plate
89
89
Bar
93
93
Sheet
Tensile Strength at Break 772 MPa
112000 psi
Plate
793 MPa
115000 psi
Bar
841 MPa
122000 psi
Sheet
Tensile Strength, Yield 365 MPa

@Strain 0.200 %
52900 psi

@Strain 0.200 %
Plate
379 MPa

@Strain 0.200 %
55000 psi

@Strain 0.200 %
Bar
434 MPa

@Strain 0.200 %
62900 psi

@Strain 0.200 %
Sheet
Elongation at Break 54 %
54 %
Sheet
60 %
60 %
Bar
62 %
62 %
Plate
Modulus of Elasticity 209 GPa
30300 ksi
Dynamic
Thermal Properties Metric English Comments
CTE, linear 12.42 µm/m-°C

@Temperature 193 °C
6.900 µin/in-°F

@Temperature 379 °F
Specific Heat Capacity 0.381 J/g-°C
0.0911 BTU/lb-°F
Thermal Conductivity 7.3995 W/m-K

@Temperature 23.0 °C
51.353 BTU-in/hr-ft²-°F

@Temperature 73.4 °F
10.148 W/m-K

@Temperature 100 °C
70.427 BTU-in/hr-ft²-°F

@Temperature 212 °F
14.089 W/m-K

@Temperature 300 °C
97.778 BTU-in/hr-ft²-°F

@Temperature 572 °F
16.4 W/m-K

@Temperature 500 °C
114 BTU-in/hr-ft²-°F

@Temperature 932 °F
22.733 W/m-K

@Temperature 700 °C
157.77 BTU-in/hr-ft²-°F

@Temperature 1290 °F
23.696 W/m-K

@Temperature 900 °C
164.45 BTU-in/hr-ft²-°F

@Temperature 1650 °F
27.56 W/m-K

@Temperature 1100 °C
191.3 BTU-in/hr-ft²-°F

@Temperature 2010 °F
Melting Point 1351 - 1387 °C
2464 - 2529 °F
Solidus 1351 °C
2464 °F
Liquidus 1387 °C
2529 °F
Component Elements Properties Metric English Comments
Carbon, C <= 0.015 %
<= 0.015 %
Chromium, Cr 20 - 22.5 %
20 - 22.5 %
Cobalt, Co <= 2.5 %
<= 2.5 %
Iron, Fe 2.0 - 6.0 %
2.0 - 6.0 %
Manganese, Mn <= 0.50 %
<= 0.50 %
Molybdenum, Mo 12.5 - 14.5 %
12.5 - 14.5 %
Nickel, Ni 50.015 - 63 %
50.015 - 63 %
Balance
Phosphorous, P <= 0.020 %
<= 0.020 %
Silicon, Si <= 0.080 %
<= 0.080 %
Sulfur, S <= 0.020 %
<= 0.020 %
Tungsten, W 2.5 - 3.5 %
2.5 - 3.5 %
Vanadium, V <= 0.35 %
<= 0.35 %
Electrical Properties Metric English Comments
Electrical Resistivity 0.0001215 ohm-cm
0.0001215 ohm-cm
Magnetic Permeability <= 1.001
<= 1.001
at 200 oersted (15.9 kA/m)
Descriptive Properties Value Comments
Critical Crevice Temperature (°C) 75
Critical Pitting Temperature (°C) >85
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