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AWS ERNiCrMo-2 vs. AWS BAu-2

AWS ERNiCrMo-2 belongs to the nickel alloys classification, while AWS BAu-2 belongs to the otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

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

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
100
Poisson's Ratio 0.28
0.4
Shear Modulus, GPa 81
36
Tensile Strength: Ultimate (UTS), MPa 750
150

Thermal Properties

Latent Heat of Fusion, J/g 320
92
Melting Completion (Liquidus), °C 1460
890
Melting Onset (Solidus), °C 1410
890
Specific Heat Capacity, J/kg-K 450
180
Thermal Expansion, µm/m-K 13
15

Otherwise Unclassified Properties

Density, g/cm3 8.4
17

Common Calculations

Stiffness to Weight: Axial, points 14
3.3
Stiffness to Weight: Bending, points 23
9.1
Strength to Weight: Axial, points 25
2.4
Strength to Weight: Bending, points 22
3.6
Thermal Shock Resistance, points 20
7.1

Alloy Composition

Carbon (C), % 0.050 to 0.15
0
Chromium (Cr), % 20.5 to 23
0
Cobalt (Co), % 0.5 to 2.5
0
Copper (Cu), % 0 to 0.5
19.4 to 20.5
Gold (Au), % 0
79.5 to 80.5
Iron (Fe), % 17 to 20
0
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 8.0 to 10
0
Nickel (Ni), % 40.3 to 53.8
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 0.2 to 1.0
0
Residuals, % 0
0 to 0.15