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AWS ERNiCrMo-4 vs. AWS BNi-8

Both AWS ERNiCrMo-4 and AWS BNi-8 are nickel alloys. They have 58% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is AWS ERNiCrMo-4 and the bottom bar is AWS BNi-8.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
180
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 84
67
Tensile Strength: Ultimate (UTS), MPa 790
570

Thermal Properties

Latent Heat of Fusion, J/g 310
390
Melting Completion (Liquidus), °C 1590
1010
Melting Onset (Solidus), °C 1530
980
Specific Heat Capacity, J/kg-K 410
480
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 70
46
Density, g/cm3 9.0
7.9
Embodied Carbon, kg CO2/kg material 13
8.2
Embodied Energy, MJ/kg 170
120
Embodied Water, L/kg 280
220

Common Calculations

Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 24
20
Strength to Weight: Bending, points 21
19
Thermal Shock Resistance, points 22
17

Alloy Composition


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Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0 to 0.020
0 to 0.060
Chromium (Cr), % 14.5 to 16.5
0
Cobalt (Co), % 0 to 2.5
0 to 0.1
Copper (Cu), % 0 to 0.5
4.0 to 5.0
Iron (Fe), % 4.0 to 7.0
0
Manganese (Mn), % 0 to 1.0
21.5 to 24.5
Molybdenum (Mo), % 15 to 17
0
Nickel (Ni), % 50 to 63.5
61.6 to 68.5
Phosphorus (P), % 0 to 0.040
0 to 0.020
Selenium (Se), % 0
0 to 0.0050
Silicon (Si), % 0 to 0.080
6.0 to 8.0
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 0
0 to 0.050
Tungsten (W), % 3.0 to 4.5
0
Vanadium (V), % 0 to 0.35
0
Zirconium (Zr), % 0
0 to 0.050
Residuals, % 0 to 0.5
0 to 0.5