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Grade FDSiCr Steel vs. Grade M30H Nickel

Grade FDSiCr steel belongs to the iron alloys classification, while grade M30H nickel belongs to the nickel alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
160
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 80
61
Tensile Strength: Ultimate (UTS), MPa 1930
770

Thermal Properties

Latent Heat of Fusion, J/g 270
320
Maximum Temperature: Mechanical, °C 410
900
Melting Completion (Liquidus), °C 1440
1250
Melting Onset (Solidus), °C 1400
1200
Specific Heat Capacity, J/kg-K 480
440
Thermal Conductivity, W/m-K 48
22
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
50
Density, g/cm3 7.7
8.6
Embodied Carbon, kg CO2/kg material 1.5
7.7
Embodied Energy, MJ/kg 20
110
Embodied Water, L/kg 48
250

Common Calculations

Stiffness to Weight: Axial, points 13
10
Stiffness to Weight: Bending, points 25
21
Strength to Weight: Axial, points 69
25
Strength to Weight: Bending, points 44
22
Thermal Diffusivity, mm2/s 13
5.7
Thermal Shock Resistance, points 58
27

Alloy Composition

Carbon (C), % 0.5 to 0.6
0 to 0.3
Chromium (Cr), % 0.5 to 0.8
0
Copper (Cu), % 0 to 0.12
27 to 33
Iron (Fe), % 96.5 to 97.8
0 to 3.5
Manganese (Mn), % 0.5 to 0.9
0 to 1.5
Nickel (Ni), % 0
57.9 to 70.3
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 1.2 to 1.6
2.7 to 3.7
Sulfur (S), % 0 to 0.025
0 to 0.030