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Austempered Cast Iron vs. C62400 Bronze

Austempered cast iron belongs to the iron alloys classification, while C62400 bronze 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 austempered cast iron and the bottom bar is C62400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
110
Elongation at Break, % 1.1 to 13
11 to 14
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 62 to 69
42
Tensile Strength: Ultimate (UTS), MPa 860 to 1800
690 to 730
Tensile Strength: Yield (Proof), MPa 560 to 1460
270 to 350

Thermal Properties

Latent Heat of Fusion, J/g 280
230
Melting Completion (Liquidus), °C 1380
1040
Melting Onset (Solidus), °C 1340
1030
Specific Heat Capacity, J/kg-K 490
440
Thermal Conductivity, W/m-K 42
59
Thermal Expansion, µm/m-K 13
18

Otherwise Unclassified Properties

Base Metal Price, % relative 2.9
27
Density, g/cm3 7.5
8.2
Embodied Carbon, kg CO2/kg material 1.8
3.2
Embodied Energy, MJ/kg 25
53
Embodied Water, L/kg 48
400

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 95
68 to 77
Resilience: Unit (Modulus of Resilience), kJ/m3 880 to 3970
320 to 550
Stiffness to Weight: Axial, points 13
7.6
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 32 to 66
23 to 25
Strength to Weight: Bending, points 27 to 44
21 to 22
Thermal Diffusivity, mm2/s 11
16
Thermal Shock Resistance, points 25 to 53
25 to 26

Alloy Composition

Aluminum (Al), % 0 to 0.050
10 to 11.5
Arsenic (As), % 0 to 0.020
0
Carbon (C), % 3.4 to 3.8
0
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.8
82.8 to 88
Iron (Fe), % 89.6 to 94
2.0 to 4.5
Magnesium (Mg), % 0 to 0.040
0
Manganese (Mn), % 0.3 to 0.4
0 to 0.3
Molybdenum (Mo), % 0 to 0.3
0
Nickel (Ni), % 0 to 2.0
0
Phosphorus (P), % 0 to 0.040
0
Selenium (Se), % 0 to 0.030
0
Silicon (Si), % 2.3 to 2.7
0 to 0.25
Sulfur (S), % 0 to 0.020
0
Tin (Sn), % 0 to 0.020
0 to 0.2
Vanadium (V), % 0 to 0.1
0
Residuals, % 0
0 to 0.5