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AWS ERNiCrMo-2 vs. Grade M30H Nickel

Both AWS ERNiCrMo-2 and grade M30H nickel are nickel alloys. They have 50% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is AWS ERNiCrMo-2 and the bottom bar is grade M30H nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
160
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 81
61
Tensile Strength: Ultimate (UTS), MPa 750
770

Thermal Properties

Latent Heat of Fusion, J/g 320
320
Melting Completion (Liquidus), °C 1460
1250
Melting Onset (Solidus), °C 1410
1200
Specific Heat Capacity, J/kg-K 450
440
Thermal Conductivity, W/m-K 11
22
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 55
50
Density, g/cm3 8.4
8.6
Embodied Carbon, kg CO2/kg material 9.2
7.7
Embodied Energy, MJ/kg 120
110
Embodied Water, L/kg 270
250

Common Calculations

Stiffness to Weight: Axial, points 14
10
Stiffness to Weight: Bending, points 23
21
Strength to Weight: Axial, points 25
25
Strength to Weight: Bending, points 22
22
Thermal Diffusivity, mm2/s 2.9
5.7
Thermal Shock Resistance, points 20
27

Alloy Composition

Carbon (C), % 0.050 to 0.15
0 to 0.3
Chromium (Cr), % 20.5 to 23
0
Cobalt (Co), % 0.5 to 2.5
0
Copper (Cu), % 0 to 0.5
27 to 33
Iron (Fe), % 17 to 20
0 to 3.5
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 8.0 to 10
0
Nickel (Ni), % 40.3 to 53.8
57.9 to 70.3
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
2.7 to 3.7
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0.2 to 1.0
0
Residuals, % 0 to 0.5
0