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Grade M30C Nickel vs. SAE-AISI 1140 Steel

Grade M30C nickel belongs to the nickel alloys classification, while SAE-AISI 1140 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 SAE-AISI 1140 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
190
Elongation at Break, % 29
14 to 18
Fatigue Strength, MPa 170
230 to 370
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 61
72
Tensile Strength: Ultimate (UTS), MPa 510
600 to 700
Tensile Strength: Yield (Proof), MPa 250
340 to 570

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 900
400
Melting Completion (Liquidus), °C 1290
1460
Melting Onset (Solidus), °C 1240
1420
Specific Heat Capacity, J/kg-K 430
470
Thermal Conductivity, W/m-K 22
51
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.3
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 60
1.8
Density, g/cm3 8.8
7.8
Embodied Carbon, kg CO2/kg material 9.5
1.4
Embodied Energy, MJ/kg 140
18
Embodied Water, L/kg 250
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
89 to 93
Resilience: Unit (Modulus of Resilience), kJ/m3 200
310 to 870
Stiffness to Weight: Axial, points 10
13
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 16
21 to 25
Strength to Weight: Bending, points 16
20 to 22
Thermal Diffusivity, mm2/s 5.7
14
Thermal Shock Resistance, points 18
18 to 21

Alloy Composition

Carbon (C), % 0 to 0.3
0.37 to 0.44
Copper (Cu), % 26 to 33
0
Iron (Fe), % 0 to 3.5
98.4 to 98.9
Manganese (Mn), % 0 to 1.5
0.7 to 1.0
Nickel (Ni), % 56.6 to 72
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
Sulfur (S), % 0 to 0.030
0.080 to 0.13