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C18400 Copper vs. EN 1.7243 Steel

C18400 copper belongs to the copper alloys classification, while EN 1.7243 steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C18400 copper and the bottom bar is EN 1.7243 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 44
73
Tensile Strength: Ultimate (UTS), MPa 270 to 490
480 to 1390

Thermal Properties

Latent Heat of Fusion, J/g 210
250
Maximum Temperature: Mechanical, °C 200
420
Melting Completion (Liquidus), °C 1080
1460
Melting Onset (Solidus), °C 1070
1420
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 320
44
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 80
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 81
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 31
2.5
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
51

Common Calculations

Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 8.5 to 15
17 to 49
Strength to Weight: Bending, points 10 to 16
17 to 35
Thermal Diffusivity, mm2/s 94
12
Thermal Shock Resistance, points 9.6 to 17
14 to 41

Alloy Composition

Arsenic (As), % 0 to 0.0050
0
Calcium (Ca), % 0 to 0.0050
0
Carbon (C), % 0
0.15 to 0.21
Chromium (Cr), % 0.4 to 1.2
0.9 to 1.2
Copper (Cu), % 97.2 to 99.6
0 to 0.25
Iron (Fe), % 0 to 0.15
96.8 to 98.2
Lithium (Li), % 0 to 0.050
0
Manganese (Mn), % 0
0.6 to 0.9
Molybdenum (Mo), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.050
0 to 0.035
Silicon (Si), % 0 to 0.1
0 to 0.4
Sulfur (S), % 0
0 to 0.035
Zinc (Zn), % 0 to 0.7
0
Residuals, % 0 to 0.5
0