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C15900 Copper vs. SAE-AISI A4 Steel

C15900 copper belongs to the copper alloys classification, while SAE-AISI A4 steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C15900 copper and the bottom bar is SAE-AISI A4 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
73
Tensile Strength: Ultimate (UTS), MPa 720
710 to 2050

Thermal Properties

Latent Heat of Fusion, J/g 210
250
Melting Completion (Liquidus), °C 1080
1450
Melting Onset (Solidus), °C 1030
1410
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 280
40
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 48
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 49
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 30
3.9
Density, g/cm3 8.8
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.8
Embodied Energy, MJ/kg 45
24
Embodied Water, L/kg 310
59

Common Calculations

Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 23
25 to 73
Strength to Weight: Bending, points 20
23 to 46
Thermal Diffusivity, mm2/s 80
11
Thermal Shock Resistance, points 26
23 to 67

Alloy Composition

Aluminum (Al), % 0.76 to 0.84
0
Carbon (C), % 0.27 to 0.33
1.0 to 1.1
Chromium (Cr), % 0
0.9 to 2.2
Copper (Cu), % 97.5 to 97.9
0 to 0.25
Iron (Fe), % 0 to 0.040
92 to 95.5
Manganese (Mn), % 0
1.8 to 2.2
Molybdenum (Mo), % 0
0.9 to 1.4
Nickel (Ni), % 0
0 to 0.3
Oxygen (O), % 0.4 to 0.54
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0.66 to 0.74
0