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Grade M30C Nickel vs. S31730 Stainless Steel

Grade M30C nickel belongs to the nickel alloys classification, while S31730 stainless steel belongs to the iron alloys. They have a modest 23% of their average alloy composition in common, which, by itself, doesn't mean much. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is grade M30C nickel and the bottom bar is S31730 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
200
Elongation at Break, % 29
40
Fatigue Strength, MPa 170
170
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 61
77
Tensile Strength: Ultimate (UTS), MPa 510
540
Tensile Strength: Yield (Proof), MPa 250
200

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Mechanical, °C 900
990
Melting Completion (Liquidus), °C 1290
1430
Melting Onset (Solidus), °C 1240
1390
Specific Heat Capacity, J/kg-K 430
470
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 60
24
Density, g/cm3 8.8
8.0
Embodied Carbon, kg CO2/kg material 9.5
4.6
Embodied Energy, MJ/kg 140
63
Embodied Water, L/kg 250
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
170
Resilience: Unit (Modulus of Resilience), kJ/m3 200
99
Stiffness to Weight: Axial, points 10
14
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 16
19
Strength to Weight: Bending, points 16
18
Thermal Shock Resistance, points 18
12

Alloy Composition

Carbon (C), % 0 to 0.3
0 to 0.030
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 26 to 33
4.0 to 5.0
Iron (Fe), % 0 to 3.5
52.4 to 61
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 56.6 to 72
15 to 16.5
Niobium (Nb), % 1.0 to 3.0
0
Nitrogen (N), % 0
0 to 0.045
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 1.0 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.010