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C18400 Copper vs. EN 1.7117 Steel

C18400 copper belongs to the copper alloys classification, while EN 1.7117 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 1.7117 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
72
Tensile Strength: Ultimate (UTS), MPa 270 to 490
660 to 1930

Thermal Properties

Latent Heat of Fusion, J/g 210
270
Maximum Temperature: Mechanical, °C 200
420
Melting Completion (Liquidus), °C 1080
1440
Melting Onset (Solidus), °C 1070
1400
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 320
43
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 80
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 81
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 31
2.6
Density, g/cm3 8.9
7.7
Embodied Carbon, kg CO2/kg material 2.6
1.5
Embodied Energy, MJ/kg 41
21
Embodied Water, L/kg 310
51

Common Calculations

Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 8.5 to 15
24 to 69
Strength to Weight: Bending, points 10 to 16
22 to 44
Thermal Diffusivity, mm2/s 94
12
Thermal Shock Resistance, points 9.6 to 17
20 to 58

Alloy Composition

Arsenic (As), % 0 to 0.0050
0
Calcium (Ca), % 0 to 0.0050
0
Carbon (C), % 0
0.49 to 0.56
Chromium (Cr), % 0.4 to 1.2
0.7 to 1.0
Copper (Cu), % 97.2 to 99.6
0
Iron (Fe), % 0 to 0.15
95.2 to 96.4
Lithium (Li), % 0 to 0.050
0
Manganese (Mn), % 0
0.7 to 1.0
Nickel (Ni), % 0
0.5 to 0.7
Phosphorus (P), % 0 to 0.050
0 to 0.025
Silicon (Si), % 0 to 0.1
1.2 to 1.5
Sulfur (S), % 0
0 to 0.025
Zinc (Zn), % 0 to 0.7
0
Residuals, % 0 to 0.5
0