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Nickel 625 vs. Austenitic Grey Cast Iron

Nickel 625 belongs to the nickel alloys classification, while austenitic grey cast iron belongs to the iron 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 nickel 625 and the bottom bar is austenitic grey cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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