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Austempered Cast Iron vs. CR023A Copper

Austempered cast iron belongs to the iron alloys classification, while CR023A copper belongs to the copper alloys. There are 25 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 austempered cast iron and the bottom bar is CR023A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180
120
Elongation at Break, % 1.1 to 13
15
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 62 to 69
43
Tensile Strength: Ultimate (UTS), MPa 860 to 1800
220
Tensile Strength: Yield (Proof), MPa 560 to 1460
130

Thermal Properties

Latent Heat of Fusion, J/g 280
210
Melting Completion (Liquidus), °C 1380
1090
Melting Onset (Solidus), °C 1340
1040
Specific Heat Capacity, J/kg-K 490
390
Thermal Conductivity, W/m-K 42
380
Thermal Expansion, µm/m-K 13
17

Otherwise Unclassified Properties

Base Metal Price, % relative 2.9
31
Density, g/cm3 7.5
9.0
Embodied Carbon, kg CO2/kg material 1.8
2.6
Embodied Energy, MJ/kg 25
41
Embodied Water, L/kg 48
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 95
29
Resilience: Unit (Modulus of Resilience), kJ/m3 880 to 3970
76
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 32 to 66
6.8
Strength to Weight: Bending, points 27 to 44
9.0
Thermal Diffusivity, mm2/s 11
110
Thermal Shock Resistance, points 25 to 53
7.8

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Arsenic (As), % 0 to 0.020
0
Bismuth (Bi), % 0
0 to 0.00050
Carbon (C), % 3.4 to 3.8
0
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.8
99.9 to 99.995
Iron (Fe), % 89.6 to 94
0
Lead (Pb), % 0
0 to 0.0050
Magnesium (Mg), % 0 to 0.040
0
Manganese (Mn), % 0.3 to 0.4
0
Molybdenum (Mo), % 0 to 0.3
0
Nickel (Ni), % 0 to 2.0
0
Phosphorus (P), % 0 to 0.040
0.0050 to 0.013
Selenium (Se), % 0 to 0.030
0
Silicon (Si), % 2.3 to 2.7
0
Silver (Ag), % 0
0 to 0.015
Sulfur (S), % 0 to 0.020
0
Tin (Sn), % 0 to 0.020
0
Vanadium (V), % 0 to 0.1
0