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Grade M30C Nickel vs. S32654 Stainless Steel

Grade M30C nickel belongs to the nickel alloys classification, while S32654 stainless steel belongs to the iron alloys. They have a modest 25% of their average alloy composition in common, which, by itself, doesn't mean much. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is grade M30C nickel and the bottom bar is S32654 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
210
Elongation at Break, % 29
45
Fatigue Strength, MPa 170
450
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 61
82
Tensile Strength: Ultimate (UTS), MPa 510
850
Tensile Strength: Yield (Proof), MPa 250
490

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Mechanical, °C 900
1100
Melting Completion (Liquidus), °C 1290
1450
Melting Onset (Solidus), °C 1240
1410
Specific Heat Capacity, J/kg-K 430
460
Thermal Conductivity, W/m-K 22
11
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 60
34
Density, g/cm3 8.8
8.0
Embodied Carbon, kg CO2/kg material 9.5
6.4
Embodied Energy, MJ/kg 140
87
Embodied Water, L/kg 250
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
330
Resilience: Unit (Modulus of Resilience), kJ/m3 200
570
Stiffness to Weight: Axial, points 10
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 16
29
Strength to Weight: Bending, points 16
25
Thermal Diffusivity, mm2/s 5.7
2.9
Thermal Shock Resistance, points 18
19

Alloy Composition

Carbon (C), % 0 to 0.3
0 to 0.020
Chromium (Cr), % 0
24 to 25
Copper (Cu), % 26 to 33
0.3 to 0.6
Iron (Fe), % 0 to 3.5
38.3 to 45.3
Manganese (Mn), % 0 to 1.5
2.0 to 4.0
Molybdenum (Mo), % 0
7.0 to 8.0
Nickel (Ni), % 56.6 to 72
21 to 23
Niobium (Nb), % 1.0 to 3.0
0
Nitrogen (N), % 0
0.45 to 0.55
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 1.0 to 2.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.0050