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AWS ERNiCrMo-2 vs. AWS ERNiCrMo-3

Both AWS ERNiCrMo-2 and AWS ERNiCrMo-3 are nickel alloys. Both are furnished in the as-welded condition. They have 81% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is AWS ERNiCrMo-2 and the bottom bar is AWS ERNiCrMo-3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 81
79
Tensile Strength: Ultimate (UTS), MPa 750
870

Thermal Properties

Latent Heat of Fusion, J/g 320
330
Melting Completion (Liquidus), °C 1460
1480
Melting Onset (Solidus), °C 1410
1430
Specific Heat Capacity, J/kg-K 450
440
Thermal Conductivity, W/m-K 11
11
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
1.4

Otherwise Unclassified Properties

Base Metal Price, % relative 55
80
Density, g/cm3 8.4
8.6
Embodied Carbon, kg CO2/kg material 9.2
14
Embodied Energy, MJ/kg 120
190
Embodied Water, L/kg 270
290

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 25
28
Strength to Weight: Bending, points 22
24
Thermal Diffusivity, mm2/s 2.9
2.8
Thermal Shock Resistance, points 20
25

Alloy Composition

Aluminum (Al), % 0
0 to 0.4
Carbon (C), % 0.050 to 0.15
0 to 0.010
Chromium (Cr), % 20.5 to 23
20 to 23
Cobalt (Co), % 0.5 to 2.5
0
Copper (Cu), % 0 to 0.5
0 to 0.5
Iron (Fe), % 17 to 20
0 to 5.0
Manganese (Mn), % 0 to 1.0
0 to 0.5
Molybdenum (Mo), % 8.0 to 10
8.0 to 10
Nickel (Ni), % 40.3 to 53.8
58 to 68.9
Niobium (Nb), % 0
3.2 to 4.2
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0 to 0.4
Tungsten (W), % 0.2 to 1.0
0
Residuals, % 0
0 to 0.5