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S32304 Stainless Steel vs. Grade M30H Nickel

S32304 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 (5, in this case) are not shown.

For each property being compared, the top bar is S32304 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, % 28
11
Fatigue Strength, MPa 330
230
Poisson's Ratio 0.27
0.32
Shear Modulus, GPa 79
61
Tensile Strength: Ultimate (UTS), MPa 670
770
Tensile Strength: Yield (Proof), MPa 460
470

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Maximum Temperature: Mechanical, °C 1050
900
Melting Completion (Liquidus), °C 1420
1250
Melting Onset (Solidus), °C 1380
1200
Specific Heat Capacity, J/kg-K 480
440
Thermal Conductivity, W/m-K 15
22
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 14
50
Density, g/cm3 7.7
8.6
Embodied Carbon, kg CO2/kg material 2.8
7.7
Embodied Energy, MJ/kg 40
110
Embodied Water, L/kg 160
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
75
Resilience: Unit (Modulus of Resilience), kJ/m3 520
700
Stiffness to Weight: Axial, points 14
10
Stiffness to Weight: Bending, points 25
21
Strength to Weight: Axial, points 24
25
Strength to Weight: Bending, points 22
22
Thermal Diffusivity, mm2/s 4.0
5.7
Thermal Shock Resistance, points 18
27

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.3
Chromium (Cr), % 21.5 to 24.5
0
Copper (Cu), % 0.050 to 0.6
27 to 33
Iron (Fe), % 65 to 75.4
0 to 3.5
Manganese (Mn), % 0 to 2.5
0 to 1.5
Molybdenum (Mo), % 0.050 to 0.6
0
Nickel (Ni), % 3.0 to 5.5
57.9 to 70.3
Nitrogen (N), % 0.050 to 0.2
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
2.7 to 3.7
Sulfur (S), % 0 to 0.030
0 to 0.030