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Automotive Grey Cast Iron vs. CC492K Bronze

Automotive grey cast iron belongs to the iron alloys classification, while CC492K bronze belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is automotive grey cast iron and the bottom bar is CC492K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 280
78
Elastic (Young's, Tensile) Modulus, GPa 180
110
Elongation at Break, % 9.6 to 14
14
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 69 to 70
40
Tensile Strength: Ultimate (UTS), MPa 140 to 290
280
Tensile Strength: Yield (Proof), MPa 94 to 200
150

Thermal Properties

Latent Heat of Fusion, J/g 260 to 280
190
Melting Completion (Liquidus), °C 1380 to 1390
1000
Melting Onset (Solidus), °C 1340 to 1350
900
Specific Heat Capacity, J/kg-K 490
370
Thermal Conductivity, W/m-K 41 to 43
73
Thermal Expansion, µm/m-K 12 to 14
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4 to 7.6
13
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8 to 9.1
13

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9 to 3.0
33
Density, g/cm3 7.5 to 7.6
8.8
Embodied Carbon, kg CO2/kg material 1.5 to 1.7
3.4
Embodied Energy, MJ/kg 21 to 24
54
Embodied Water, L/kg 44 to 51
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 18 to 25
33
Resilience: Unit (Modulus of Resilience), kJ/m3 25 to 110
100
Stiffness to Weight: Axial, points 13
6.8
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 5.2 to 11
8.7
Strength to Weight: Bending, points 8.0 to 13
11
Thermal Diffusivity, mm2/s 11 to 12
23
Thermal Shock Resistance, points 4.2 to 8.6
10