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S42300 Stainless Steel vs. Grade M30H Nickel

S42300 stainless steel belongs to the iron alloys classification, while grade M30H nickel belongs to the nickel 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 S42300 stainless steel and the bottom bar is grade M30H nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
160
Elongation at Break, % 9.1
11
Fatigue Strength, MPa 440
230
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 77
61
Tensile Strength: Ultimate (UTS), MPa 1100
770
Tensile Strength: Yield (Proof), MPa 850
470

Thermal Properties

Latent Heat of Fusion, J/g 270
320
Maximum Temperature: Mechanical, °C 750
900
Melting Completion (Liquidus), °C 1470
1250
Melting Onset (Solidus), °C 1420
1200
Specific Heat Capacity, J/kg-K 470
440
Thermal Conductivity, W/m-K 25
22
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.5
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 5.2
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
50
Density, g/cm3 7.8
8.6
Embodied Carbon, kg CO2/kg material 3.2
7.7
Embodied Energy, MJ/kg 44
110
Embodied Water, L/kg 110
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93
75
Resilience: Unit (Modulus of Resilience), kJ/m3 1840
700
Stiffness to Weight: Axial, points 14
10
Stiffness to Weight: Bending, points 25
21
Strength to Weight: Axial, points 39
25
Strength to Weight: Bending, points 30
22
Thermal Diffusivity, mm2/s 6.8
5.7
Thermal Shock Resistance, points 40
27

Alloy Composition

Carbon (C), % 0.27 to 0.32
0 to 0.3
Chromium (Cr), % 11 to 12
0
Copper (Cu), % 0
27 to 33
Iron (Fe), % 82 to 85.1
0 to 3.5
Manganese (Mn), % 1.0 to 1.4
0 to 1.5
Molybdenum (Mo), % 2.5 to 3.0
0
Nickel (Ni), % 0 to 0.5
57.9 to 70.3
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.5
2.7 to 3.7
Sulfur (S), % 0 to 0.025
0 to 0.030
Vanadium (V), % 0.2 to 0.3
0