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Grade M30C Nickel vs. AISI 314 Stainless Steel

Grade M30C nickel belongs to the nickel alloys classification, while AISI 314 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 AISI 314 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
200
Elongation at Break, % 29
45
Fatigue Strength, MPa 170
210
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 61
78
Tensile Strength: Ultimate (UTS), MPa 510
590
Tensile Strength: Yield (Proof), MPa 250
230

Thermal Properties

Latent Heat of Fusion, J/g 290
330
Maximum Temperature: Mechanical, °C 900
1100
Melting Completion (Liquidus), °C 1290
1380
Melting Onset (Solidus), °C 1240
1340
Specific Heat Capacity, J/kg-K 430
490
Thermal Conductivity, W/m-K 22
15
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.3
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 60
25
Density, g/cm3 8.8
7.7
Embodied Carbon, kg CO2/kg material 9.5
4.3
Embodied Energy, MJ/kg 140
62
Embodied Water, L/kg 250
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
210
Resilience: Unit (Modulus of Resilience), kJ/m3 200
130
Stiffness to Weight: Axial, points 10
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 16
21
Strength to Weight: Bending, points 16
20
Thermal Diffusivity, mm2/s 5.7
3.9
Thermal Shock Resistance, points 18
14

Alloy Composition

Carbon (C), % 0 to 0.3
0 to 0.25
Chromium (Cr), % 0
23 to 26
Copper (Cu), % 26 to 33
0
Iron (Fe), % 0 to 3.5
46.7 to 56.5
Manganese (Mn), % 0 to 1.5
0 to 2.0
Nickel (Ni), % 56.6 to 72
19 to 22
Niobium (Nb), % 1.0 to 3.0
0
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 1.0 to 2.0
1.5 to 3.0
Sulfur (S), % 0 to 0.030
0 to 0.030