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C14181 Copper vs. SAE-AISI A4 Steel

C14181 copper belongs to the copper alloys classification, while SAE-AISI A4 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is C14181 copper and the bottom bar is SAE-AISI A4 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
73
Tensile Strength: Ultimate (UTS), MPa 210
710 to 2050

Thermal Properties

Latent Heat of Fusion, J/g 210
250
Melting Completion (Liquidus), °C 1080
1450
Melting Onset (Solidus), °C 1080
1410
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 380
40
Thermal Expansion, µm/m-K 17
12

Otherwise Unclassified Properties

Base Metal Price, % relative 31
3.9
Density, g/cm3 9.0
7.8
Embodied Carbon, kg CO2/kg material 2.6
1.8
Embodied Energy, MJ/kg 41
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 6.5
25 to 73
Strength to Weight: Bending, points 8.8
23 to 46
Thermal Diffusivity, mm2/s 110
11
Thermal Shock Resistance, points 7.4
23 to 67

Alloy Composition

Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0 to 0.0050
1.0 to 1.1
Chromium (Cr), % 0
0.9 to 2.2
Copper (Cu), % 99.9 to 100
0 to 0.25
Iron (Fe), % 0
92 to 95.5
Lead (Pb), % 0 to 0.0020
0
Manganese (Mn), % 0
1.8 to 2.2
Molybdenum (Mo), % 0
0.9 to 1.4
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.0020
0 to 0.030
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0 to 0.0020
0