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AWS ERNiMo-3 vs. AWS BNi-2

Both AWS ERNiMo-3 and AWS BNi-2 are nickel alloys. They have 70% of their average alloy composition in common. There are 19 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 ERNiMo-3 and the bottom bar is AWS BNi-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
180
Poisson's Ratio 0.3
0.3
Shear Modulus, GPa 83
68
Tensile Strength: Ultimate (UTS), MPa 770
440

Thermal Properties

Latent Heat of Fusion, J/g 320
360
Melting Completion (Liquidus), °C 1600
1000
Melting Onset (Solidus), °C 1540
970
Specific Heat Capacity, J/kg-K 400
490
Thermal Expansion, µm/m-K 11
11

Otherwise Unclassified Properties

Base Metal Price, % relative 70
55
Density, g/cm3 9.1
8.2
Embodied Carbon, kg CO2/kg material 15
9.3
Embodied Energy, MJ/kg 190
130
Embodied Water, L/kg 270
230

Common Calculations

Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 22
23
Strength to Weight: Axial, points 24
15
Strength to Weight: Bending, points 21
16
Thermal Shock Resistance, points 24
16

Alloy Composition


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Aluminum (Al), % 0
0 to 0.050
Boron (B), % 0
2.8 to 3.5
Carbon (C), % 0 to 0.12
0 to 0.060
Chromium (Cr), % 4.0 to 6.0
6.0 to 8.0
Cobalt (Co), % 0 to 2.5
0 to 0.1
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 4.0 to 7.0
2.5 to 3.5
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 23 to 26
0
Nickel (Ni), % 53.7 to 69
79.1 to 84.8
Phosphorus (P), % 0 to 0.040
0 to 0.020
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 0 to 1.0
4.0 to 5.0
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 0
0 to 0.050
Tungsten (W), % 0 to 1.0
0
Vanadium (V), % 0 to 0.6
0
Zirconium (Zr), % 0
0 to 0.050
Residuals, % 0 to 0.5
0 to 0.5