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C12600 Copper vs. SAE-AISI 8642 Steel

C12600 copper belongs to the copper alloys classification, while SAE-AISI 8642 steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C12600 copper and the bottom bar is SAE-AISI 8642 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 56
23
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 56
73
Shear Strength, MPa 190
370
Tensile Strength: Ultimate (UTS), MPa 270
580
Tensile Strength: Yield (Proof), MPa 69
380

Thermal Properties

Latent Heat of Fusion, J/g 210
250
Maximum Temperature: Mechanical, °C 200
410
Melting Completion (Liquidus), °C 1080
1460
Melting Onset (Solidus), °C 1030
1420
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 130
39
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 29
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 30
2.6
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 2.6
1.5
Embodied Energy, MJ/kg 41
20
Embodied Water, L/kg 310
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
120
Resilience: Unit (Modulus of Resilience), kJ/m3 21
390
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 8.2
20
Strength to Weight: Bending, points 10
20
Thermal Diffusivity, mm2/s 39
10
Thermal Shock Resistance, points 9.5
17

Alloy Composition

Carbon (C), % 0
0.4 to 0.45
Chromium (Cr), % 0
0.4 to 0.6
Copper (Cu), % 99.5 to 99.8
0
Iron (Fe), % 0
96.6 to 97.8
Manganese (Mn), % 0
0.75 to 1.0
Molybdenum (Mo), % 0
0.15 to 0.25
Nickel (Ni), % 0
0.4 to 0.7
Phosphorus (P), % 0.2 to 0.4
0 to 0.035
Silicon (Si), % 0
0.15 to 0.35
Sulfur (S), % 0
0 to 0.040