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Automotive Grey Cast Iron vs. Nickel 22

Automotive grey cast iron belongs to the iron alloys classification, while nickel 22 belongs to the nickel alloys. There are 27 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is automotive grey cast iron and the bottom bar is nickel 22.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
220
Elongation at Break, % 9.6 to 14
49
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 69 to 70
84
Tensile Strength: Ultimate (UTS), MPa 140 to 290
790
Tensile Strength: Yield (Proof), MPa 94 to 200
360

Thermal Properties

Latent Heat of Fusion, J/g 260 to 280
320
Melting Completion (Liquidus), °C 1380 to 1390
1390
Melting Onset (Solidus), °C 1340 to 1350
1360
Specific Heat Capacity, J/kg-K 490
430
Thermal Conductivity, W/m-K 41 to 43
10
Thermal Expansion, µm/m-K 12 to 14
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4 to 7.6
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8 to 9.1
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9 to 3.0
70
Density, g/cm3 7.5 to 7.6
8.9
Embodied Carbon, kg CO2/kg material 1.5 to 1.7
12
Embodied Energy, MJ/kg 21 to 24
170
Embodied Water, L/kg 44 to 51
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 18 to 25
320
Resilience: Unit (Modulus of Resilience), kJ/m3 25 to 110
300
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 5.2 to 11
25
Strength to Weight: Bending, points 8.0 to 13
21
Thermal Diffusivity, mm2/s 11 to 12
2.7
Thermal Shock Resistance, points 4.2 to 8.6
24