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AWS ERNiCrMo-3 vs. Nickel 22

Both AWS ERNiCrMo-3 and nickel 22 are nickel alloys. They have 90% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is AWS ERNiCrMo-3 and the bottom bar is nickel 22.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
220
Elongation at Break, % 34
49
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 79
84
Tensile Strength: Ultimate (UTS), MPa 870
790

Thermal Properties

Latent Heat of Fusion, J/g 330
320
Melting Completion (Liquidus), °C 1480
1390
Melting Onset (Solidus), °C 1430
1360
Specific Heat Capacity, J/kg-K 440
430
Thermal Conductivity, W/m-K 11
10
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 80
70
Density, g/cm3 8.6
8.9
Embodied Carbon, kg CO2/kg material 14
12
Embodied Energy, MJ/kg 190
170
Embodied Water, L/kg 290
300

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
22
Strength to Weight: Axial, points 28
25
Strength to Weight: Bending, points 24
21
Thermal Diffusivity, mm2/s 2.8
2.7
Thermal Shock Resistance, points 25
24

Alloy Composition


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Aluminum (Al), % 0 to 0.4
0
Carbon (C), % 0 to 0.010
0 to 0.015
Chromium (Cr), % 20 to 23
20 to 22.5
Cobalt (Co), % 0
0 to 2.5
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 0 to 5.0
2.0 to 6.0
Manganese (Mn), % 0 to 0.5
0 to 0.015
Molybdenum (Mo), % 8.0 to 10
12.5 to 14.5
Nickel (Ni), % 58 to 68.9
50.8 to 63
Niobium (Nb), % 3.2 to 4.2
0
Phosphorus (P), % 0 to 0.020
0 to 0.020
Silicon (Si), % 0 to 0.5
0 to 0.080
Sulfur (S), % 0 to 0.015
0 to 0.020
Titanium (Ti), % 0 to 0.4
0
Tungsten (W), % 0
2.5 to 3.5
Vanadium (V), % 0
0 to 0.35
Residuals, % 0 to 0.5
0