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Grade M30C Nickel vs. S31727 Stainless Steel

Grade M30C nickel belongs to the nickel alloys classification, while S31727 stainless steel belongs to the iron alloys. They have a modest 22% 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 (10, in this case) are not shown.

For each property being compared, the top bar is grade M30C nickel and the bottom bar is S31727 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
240
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 61
78
Tensile Strength: Ultimate (UTS), MPa 510
630
Tensile Strength: Yield (Proof), MPa 250
270

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Mechanical, °C 900
1010
Melting Completion (Liquidus), °C 1290
1440
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
4.7
Embodied Energy, MJ/kg 140
64
Embodied Water, L/kg 250
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
200
Resilience: Unit (Modulus of Resilience), kJ/m3 200
190
Stiffness to Weight: Axial, points 10
14
Stiffness to Weight: Bending, points 21
24
Strength to Weight: Axial, points 16
22
Strength to Weight: Bending, points 16
20
Thermal Shock Resistance, points 18
14

Alloy Composition

Carbon (C), % 0 to 0.3
0 to 0.030
Chromium (Cr), % 0
17.5 to 19
Copper (Cu), % 26 to 33
2.8 to 4.0
Iron (Fe), % 0 to 3.5
53.7 to 61.3
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0
3.8 to 4.5
Nickel (Ni), % 56.6 to 72
14.5 to 16.5
Niobium (Nb), % 1.0 to 3.0
0
Nitrogen (N), % 0
0.15 to 0.21
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 1.0 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030