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Grade M30H Nickel vs. AWS ENiCrMo-3

Both grade M30H nickel and AWS ENiCrMo-3 are nickel alloys. They have 65% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is grade M30H nickel and the bottom bar is AWS ENiCrMo-3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
200
Elongation at Break, % 11
34
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 61
79
Tensile Strength: Ultimate (UTS), MPa 770
870

Thermal Properties

Latent Heat of Fusion, J/g 320
330
Melting Completion (Liquidus), °C 1250
1480
Melting Onset (Solidus), °C 1200
1430
Specific Heat Capacity, J/kg-K 440
440
Thermal Conductivity, W/m-K 22
11
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.3
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
1.4

Otherwise Unclassified Properties

Base Metal Price, % relative 50
80
Density, g/cm3 8.6
8.6
Embodied Carbon, kg CO2/kg material 7.7
14
Embodied Energy, MJ/kg 110
190
Embodied Water, L/kg 250
290

Common Calculations

Stiffness to Weight: Axial, points 10
13
Stiffness to Weight: Bending, points 21
23
Strength to Weight: Axial, points 25
28
Strength to Weight: Bending, points 22
24
Thermal Diffusivity, mm2/s 5.7
2.8
Thermal Shock Resistance, points 27
25

Alloy Composition

Carbon (C), % 0 to 0.3
0 to 0.1
Chromium (Cr), % 0
20 to 23
Cobalt (Co), % 0
0 to 0.12
Copper (Cu), % 27 to 33
0 to 0.5
Iron (Fe), % 0 to 3.5
0 to 7.0
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0
8.0 to 10
Nickel (Ni), % 57.9 to 70.3
55 to 68.9
Niobium (Nb), % 0
3.2 to 4.2
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 2.7 to 3.7
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.020
Residuals, % 0
0 to 0.5