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Grade M30H Nickel vs. S32003 Stainless Steel

Grade M30H nickel belongs to the nickel alloys classification, while S32003 stainless steel belongs to the iron alloys. 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 M30H nickel and the bottom bar is S32003 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
370
Poisson's Ratio 0.32
0.27
Shear Modulus, GPa 61
79
Tensile Strength: Ultimate (UTS), MPa 770
730
Tensile Strength: Yield (Proof), MPa 470
510

Thermal Properties

Latent Heat of Fusion, J/g 320
290
Maximum Temperature: Mechanical, °C 900
1010
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
14
Density, g/cm3 8.6
7.8
Embodied Carbon, kg CO2/kg material 7.7
3.0
Embodied Energy, MJ/kg 110
42
Embodied Water, L/kg 250
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 75
180
Resilience: Unit (Modulus of Resilience), kJ/m3 700
660
Stiffness to Weight: Axial, points 10
14
Stiffness to Weight: Bending, points 21
25
Strength to Weight: Axial, points 25
26
Strength to Weight: Bending, points 22
23
Thermal Diffusivity, mm2/s 5.7
4.0
Thermal Shock Resistance, points 27
21

Alloy Composition

Carbon (C), % 0 to 0.3
0 to 0.030
Chromium (Cr), % 0
19.5 to 22.5
Copper (Cu), % 27 to 33
0
Iron (Fe), % 0 to 3.5
68.2 to 75.9
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 0
1.5 to 2.0
Nickel (Ni), % 57.9 to 70.3
3.0 to 4.0
Nitrogen (N), % 0
0.14 to 0.2
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 2.7 to 3.7
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.020