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ACI-ASTM CA40 Steel vs. C55281 Copper

ACI-ASTM CA40 steel belongs to the iron alloys classification, while C55281 copper belongs to the copper alloys. There are 18 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CA40 steel and the bottom bar is C55281 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 76
40
Tensile Strength: Ultimate (UTS), MPa 910
190

Thermal Properties

Latent Heat of Fusion, J/g 280
190
Maximum Temperature: Mechanical, °C 750
200
Melting Completion (Liquidus), °C 1440
810
Melting Onset (Solidus), °C 1500
640
Specific Heat Capacity, J/kg-K 480
400
Thermal Expansion, µm/m-K 10
16

Otherwise Unclassified Properties

Density, g/cm3 7.7
8.7
Embodied Carbon, kg CO2/kg material 2.0
7.0
Embodied Energy, MJ/kg 28
110

Common Calculations

Stiffness to Weight: Axial, points 14
6.9
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 33
6.1
Strength to Weight: Bending, points 27
8.5
Thermal Shock Resistance, points 33
7.7

Alloy Composition

Carbon (C), % 0.2 to 0.4
0
Chromium (Cr), % 11.5 to 14
0
Copper (Cu), % 0
88.5 to 89.4
Iron (Fe), % 81.5 to 88.3
0
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.040
5.8 to 6.2
Silicon (Si), % 0 to 1.5
0
Silver (Ag), % 0
4.8 to 5.2
Sulfur (S), % 0 to 0.040
0
Residuals, % 0
0 to 0.15