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SAE-AISI 1144 Steel vs. C55280 Copper

SAE-AISI 1144 steel belongs to the iron alloys classification, while C55280 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 SAE-AISI 1144 steel and the bottom bar is C55280 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 72
40
Tensile Strength: Ultimate (UTS), MPa 750 to 840
180

Thermal Properties

Latent Heat of Fusion, J/g 250
190
Maximum Temperature: Mechanical, °C 400
200
Melting Completion (Liquidus), °C 1450
790
Melting Onset (Solidus), °C 1410
640
Specific Heat Capacity, J/kg-K 470
410
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Density, g/cm3 7.8
8.5
Embodied Carbon, kg CO2/kg material 1.4
4.2
Embodied Energy, MJ/kg 19
67

Common Calculations

Stiffness to Weight: Axial, points 13
6.9
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 27 to 30
5.9
Strength to Weight: Bending, points 23 to 25
8.3
Thermal Shock Resistance, points 22 to 24
7.4

Alloy Composition

Carbon (C), % 0.4 to 0.48
0
Copper (Cu), % 0
90.5 to 91.4
Iron (Fe), % 97.5 to 98
0
Manganese (Mn), % 1.4 to 1.7
0
Phosphorus (P), % 0 to 0.040
6.8 to 7.2
Silver (Ag), % 0
1.8 to 2.2
Sulfur (S), % 0.24 to 0.33
0
Residuals, % 0
0 to 0.15