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Grade M30C Nickel vs. ACI-ASTM CA40 Steel

Grade M30C nickel belongs to the nickel alloys classification, while ACI-ASTM CA40 steel belongs to the iron alloys. There are 29 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 CA40 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
190
Elongation at Break, % 29
10
Fatigue Strength, MPa 170
460
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 61
76
Tensile Strength: Ultimate (UTS), MPa 510
910
Tensile Strength: Yield (Proof), MPa 250
860

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Mechanical, °C 900
750
Melting Completion (Liquidus), °C 1290
1440
Melting Onset (Solidus), °C 1240
1500
Specific Heat Capacity, J/kg-K 430
480
Thermal Conductivity, W/m-K 22
25
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.3
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
3.5

Otherwise Unclassified Properties

Base Metal Price, % relative 60
7.5
Density, g/cm3 8.8
7.7
Embodied Carbon, kg CO2/kg material 9.5
2.0
Embodied Energy, MJ/kg 140
28
Embodied Water, L/kg 250
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
89
Resilience: Unit (Modulus of Resilience), kJ/m3 200
1910
Stiffness to Weight: Axial, points 10
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 16
33
Strength to Weight: Bending, points 16
27
Thermal Diffusivity, mm2/s 5.7
6.7
Thermal Shock Resistance, points 18
33

Alloy Composition

Carbon (C), % 0 to 0.3
0.2 to 0.4
Chromium (Cr), % 0
11.5 to 14
Copper (Cu), % 26 to 33
0
Iron (Fe), % 0 to 3.5
81.5 to 88.3
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 56.6 to 72
0 to 1.0
Niobium (Nb), % 1.0 to 3.0
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 1.0 to 2.0
0 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.040