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AWS BNi-7 vs. AWS ERNiMo-3

Both AWS BNi-7 and AWS ERNiMo-3 are nickel alloys. They have 67% 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 BNi-7 and the bottom bar is AWS ERNiMo-3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 170
220
Poisson's Ratio 0.3
0.3
Shear Modulus, GPa 67
83
Tensile Strength: Ultimate (UTS), MPa 550
770

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Melting Completion (Liquidus), °C 890
1600
Melting Onset (Solidus), °C 890
1540
Specific Heat Capacity, J/kg-K 490
400
Thermal Expansion, µm/m-K 11
11

Otherwise Unclassified Properties

Base Metal Price, % relative 55
70
Density, g/cm3 8.0
9.1
Embodied Carbon, kg CO2/kg material 8.8
15
Embodied Energy, MJ/kg 120
190
Embodied Water, L/kg 240
270

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 23
22
Strength to Weight: Axial, points 19
24
Strength to Weight: Bending, points 19
21
Thermal Shock Resistance, points 21
24

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 0 to 0.010
0
Carbon (C), % 0 to 0.060
0 to 0.12
Chromium (Cr), % 13 to 15
4.0 to 6.0
Cobalt (Co), % 0 to 0.1
0 to 2.5
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 0 to 0.2
4.0 to 7.0
Manganese (Mn), % 0 to 0.040
0 to 1.0
Molybdenum (Mo), % 0
23 to 26
Nickel (Ni), % 73.3 to 77.3
53.7 to 69
Phosphorus (P), % 9.7 to 10.5
0 to 0.040
Selenium (Se), % 0 to 0.0050
0
Silicon (Si), % 0 to 0.1
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030
Titanium (Ti), % 0 to 0.050
0
Tungsten (W), % 0
0 to 1.0
Vanadium (V), % 0
0 to 0.6
Zirconium (Zr), % 0 to 0.050
0
Residuals, % 0
0 to 0.5