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Grade M30C Nickel vs. SAE-AISI 8660 Steel

Grade M30C nickel belongs to the nickel alloys classification, while SAE-AISI 8660 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 8660 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
190
Elongation at Break, % 29
12
Fatigue Strength, MPa 170
340
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 61
73
Tensile Strength: Ultimate (UTS), MPa 510
660
Tensile Strength: Yield (Proof), MPa 250
550

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 900
410
Melting Completion (Liquidus), °C 1290
1450
Melting Onset (Solidus), °C 1240
1410
Specific Heat Capacity, J/kg-K 430
470
Thermal Conductivity, W/m-K 22
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.3
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 60
2.6
Density, g/cm3 8.8
7.8
Embodied Carbon, kg CO2/kg material 9.5
1.5
Embodied Energy, MJ/kg 140
20
Embodied Water, L/kg 250
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
73
Resilience: Unit (Modulus of Resilience), kJ/m3 200
800
Stiffness to Weight: Axial, points 10
13
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 16
23
Strength to Weight: Bending, points 16
21
Thermal Diffusivity, mm2/s 5.7
10
Thermal Shock Resistance, points 18
19

Alloy Composition

Carbon (C), % 0 to 0.3
0.56 to 0.64
Chromium (Cr), % 0
0.4 to 0.6
Copper (Cu), % 26 to 33
0
Iron (Fe), % 0 to 3.5
96.4 to 97.6
Manganese (Mn), % 0 to 1.5
0.75 to 1.0
Molybdenum (Mo), % 0
0.15 to 0.25
Nickel (Ni), % 56.6 to 72
0.4 to 0.7
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