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Grade M30H Nickel vs. S32520 Stainless Steel

Grade M30H nickel belongs to the nickel alloys classification, while S32520 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is grade M30H nickel and the bottom bar is S32520 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
200
Elongation at Break, % 11
28
Fatigue Strength, MPa 230
460
Poisson's Ratio 0.32
0.27
Shear Modulus, GPa 61
80
Tensile Strength: Ultimate (UTS), MPa 770
860
Tensile Strength: Yield (Proof), MPa 470
630

Thermal Properties

Latent Heat of Fusion, J/g 320
300
Maximum Temperature: Mechanical, °C 900
1100
Melting Completion (Liquidus), °C 1250
1440
Melting Onset (Solidus), °C 1200
1400
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 22
15
Thermal Expansion, µm/m-K 13
13

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 50
20
Density, g/cm3 8.6
7.8
Embodied Carbon, kg CO2/kg material 7.7
4.0
Embodied Energy, MJ/kg 110
55
Embodied Water, L/kg 250
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 75
220
Resilience: Unit (Modulus of Resilience), kJ/m3 700
960
Stiffness to Weight: Axial, points 10
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 25
31
Strength to Weight: Bending, points 22
26
Thermal Diffusivity, mm2/s 5.7
4.1
Thermal Shock Resistance, points 27
24

Alloy Composition

Carbon (C), % 0 to 0.3
0 to 0.030
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 27 to 33
0.5 to 2.0
Iron (Fe), % 0 to 3.5
57.3 to 66.8
Manganese (Mn), % 0 to 1.5
0 to 1.5
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 57.9 to 70.3
5.5 to 8.0
Nitrogen (N), % 0
0.2 to 0.35
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 2.7 to 3.7
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.020