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Grade M30C Nickel vs. ACI-ASTM CB7Cu-2 Steel

Grade M30C nickel belongs to the nickel alloys classification, while ACI-ASTM CB7Cu-2 steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is grade M30C nickel and the bottom bar is ACI-ASTM CB7Cu-2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
190
Elongation at Break, % 29
5.7 to 11
Fatigue Strength, MPa 170
420 to 590
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 61
75
Tensile Strength: Ultimate (UTS), MPa 510
960 to 1350
Tensile Strength: Yield (Proof), MPa 250
760 to 1180

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Melting Completion (Liquidus), °C 1290
1430
Melting Onset (Solidus), °C 1240
1380
Specific Heat Capacity, J/kg-K 430
480
Thermal Conductivity, W/m-K 22
17
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.3
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 60
13
Density, g/cm3 8.8
7.8
Embodied Carbon, kg CO2/kg material 9.5
2.6
Embodied Energy, MJ/kg 140
38
Embodied Water, L/kg 250
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
71 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 200
1510 to 3600
Stiffness to Weight: Axial, points 10
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 16
34 to 48
Strength to Weight: Bending, points 16
28 to 35
Thermal Diffusivity, mm2/s 5.7
4.6
Thermal Shock Resistance, points 18
32 to 45

Alloy Composition

Carbon (C), % 0 to 0.3
0 to 0.070
Chromium (Cr), % 0
14 to 15.5
Copper (Cu), % 26 to 33
2.5 to 3.2
Iron (Fe), % 0 to 3.5
73.6 to 79
Manganese (Mn), % 0 to 1.5
0 to 0.7
Nickel (Ni), % 56.6 to 72
4.5 to 5.5
Niobium (Nb), % 1.0 to 3.0
0 to 0.35
Nitrogen (N), % 0
0 to 0.050
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 1.0 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030