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Austenitic Grey Cast Iron vs. Nickel 625

Austenitic grey cast iron belongs to the iron alloys classification, while nickel 625 belongs to the nickel alloys. There are 19 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is austenitic grey cast iron and the bottom bar is nickel 625.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
200
Poisson's Ratio 0.29 to 0.3
0.29
Shear Modulus, GPa 69 to 72
79
Tensile Strength: Ultimate (UTS), MPa 150 to 230
790 to 910

Thermal Properties

Latent Heat of Fusion, J/g 280 to 350
330
Melting Completion (Liquidus), °C 1340 to 1400
1350
Melting Onset (Solidus), °C 1290 to 1350
1290
Specific Heat Capacity, J/kg-K 470 to 490
440
Thermal Expansion, µm/m-K 13 to 14
13

Otherwise Unclassified Properties

Base Metal Price, % relative 14 to 24
80
Density, g/cm3 7.7 to 8.1
8.6
Embodied Carbon, kg CO2/kg material 3.1 to 4.7
14
Embodied Energy, MJ/kg 43 to 65
190
Embodied Water, L/kg 93 to 120
290

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23 to 25
23
Strength to Weight: Axial, points 5.3 to 8.2
26 to 29
Strength to Weight: Bending, points 7.9 to 11
22 to 24
Thermal Shock Resistance, points 4.5 to 6.5
22 to 25