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Automotive Grey Cast Iron vs. C91300 Bell Metal

Automotive grey cast iron belongs to the iron alloys classification, while C91300 bell metal belongs to the copper alloys. There are 25 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 automotive grey cast iron and the bottom bar is C91300 bell metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
100
Elongation at Break, % 9.6 to 14
0.5
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 69 to 70
38
Tensile Strength: Ultimate (UTS), MPa 140 to 290
240
Tensile Strength: Yield (Proof), MPa 94 to 200
210

Thermal Properties

Latent Heat of Fusion, J/g 260 to 280
180
Melting Completion (Liquidus), °C 1380 to 1390
890
Melting Onset (Solidus), °C 1340 to 1350
820
Specific Heat Capacity, J/kg-K 490
360
Thermal Expansion, µm/m-K 12 to 14
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4 to 7.6
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8 to 9.1
7.4

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9 to 3.0
39
Density, g/cm3 7.5 to 7.6
8.6
Embodied Carbon, kg CO2/kg material 1.5 to 1.7
4.5
Embodied Energy, MJ/kg 21 to 24
74
Embodied Water, L/kg 44 to 51
460

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 18 to 25
1.1
Resilience: Unit (Modulus of Resilience), kJ/m3 25 to 110
210
Stiffness to Weight: Axial, points 13
6.6
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 5.2 to 11
7.8
Strength to Weight: Bending, points 8.0 to 13
10
Thermal Shock Resistance, points 4.2 to 8.6
9.3