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Grade M30C Nickel vs. SAE-AISI 50B50 Steel

Grade M30C nickel belongs to the nickel alloys classification, while SAE-AISI 50B50 steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, 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 50B50 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
190
Elongation at Break, % 29
22
Fatigue Strength, MPa 170
260
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 61
73
Tensile Strength: Ultimate (UTS), MPa 510
590
Tensile Strength: Yield (Proof), MPa 250
370

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 900
410
Melting Completion (Liquidus), °C 1290
1460
Melting Onset (Solidus), °C 1240
1410
Specific Heat Capacity, J/kg-K 430
470
Thermal Conductivity, W/m-K 22
45
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.3
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 60
2.0
Density, g/cm3 8.8
7.8
Embodied Carbon, kg CO2/kg material 9.5
1.4
Embodied Energy, MJ/kg 140
19
Embodied Water, L/kg 250
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
110
Resilience: Unit (Modulus of Resilience), kJ/m3 200
370
Stiffness to Weight: Axial, points 10
13
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 16
21
Strength to Weight: Bending, points 16
20
Thermal Diffusivity, mm2/s 5.7
12
Thermal Shock Resistance, points 18
17

Alloy Composition

Boron (B), % 0
0.00050 to 0.0030
Carbon (C), % 0 to 0.3
0.48 to 0.53
Chromium (Cr), % 0
0.4 to 0.6
Copper (Cu), % 26 to 33
0
Iron (Fe), % 0 to 3.5
97.4 to 98.2
Manganese (Mn), % 0 to 1.5
0.75 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 0.035
Silicon (Si), % 1.0 to 2.0
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.040