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Grey Cast Iron vs. C94400 Bronze

Grey cast iron belongs to the iron alloys classification, while C94400 bronze belongs to the copper alloys. There are 28 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 grey cast iron and the bottom bar is C94400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 300
55
Elastic (Young's, Tensile) Modulus, GPa 180
100
Elongation at Break, % 9.6
18
Poisson's Ratio 0.29
0.35
Shear Modulus, GPa 69
37
Tensile Strength: Ultimate (UTS), MPa 160 to 450
220
Tensile Strength: Yield (Proof), MPa 98 to 290
110

Thermal Properties

Latent Heat of Fusion, J/g 280
180
Melting Completion (Liquidus), °C 1380
940
Melting Onset (Solidus), °C 1180
790
Specific Heat Capacity, J/kg-K 490
350
Thermal Conductivity, W/m-K 46
52
Thermal Expansion, µm/m-K 11
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
10
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
32
Density, g/cm3 7.5
9.1
Embodied Carbon, kg CO2/kg material 1.5
3.4
Embodied Energy, MJ/kg 21
54
Embodied Water, L/kg 44
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 13 to 37
33
Resilience: Unit (Modulus of Resilience), kJ/m3 27 to 240
60
Stiffness to Weight: Axial, points 13
6.1
Stiffness to Weight: Bending, points 25
17
Strength to Weight: Axial, points 5.8 to 17
6.8
Strength to Weight: Bending, points 8.7 to 17
9.0
Thermal Diffusivity, mm2/s 13
17
Thermal Shock Resistance, points 6.0 to 17
8.3

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.8
Carbon (C), % 3.1 to 3.4
0
Copper (Cu), % 0
76.1 to 84
Iron (Fe), % 92.1 to 93.9
0 to 0.15
Lead (Pb), % 0
9.0 to 12
Manganese (Mn), % 0.5 to 0.7
0
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0 to 0.9
0 to 0.050
Silicon (Si), % 2.5 to 2.8
0 to 0.0050
Sulfur (S), % 0 to 0.15
0 to 0.080
Tin (Sn), % 0
7.0 to 9.0
Zinc (Zn), % 0
0 to 0.8