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C18400 Copper vs. EN 1.7711 Steel

C18400 copper belongs to the copper alloys classification, while EN 1.7711 steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C18400 copper and the bottom bar is EN 1.7711 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 13 to 50
16 to 22
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 44
73
Shear Strength, MPa 190 to 310
440 to 570
Tensile Strength: Ultimate (UTS), MPa 270 to 490
690 to 930
Tensile Strength: Yield (Proof), MPa 110 to 480
400 to 800

Thermal Properties

Latent Heat of Fusion, J/g 210
250
Maximum Temperature: Mechanical, °C 200
430
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
33
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 80
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 81
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 31
3.0
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 2.6
2.3
Embodied Energy, MJ/kg 41
32
Embodied Water, L/kg 310
54

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 63 to 120
130 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 54 to 980
430 to 1690
Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 8.5 to 15
24 to 33
Strength to Weight: Bending, points 10 to 16
22 to 27
Thermal Diffusivity, mm2/s 94
8.9
Thermal Shock Resistance, points 9.6 to 17
24 to 32

Alloy Composition

Aluminum (Al), % 0
0 to 0.015
Arsenic (As), % 0 to 0.0050
0
Calcium (Ca), % 0 to 0.0050
0
Carbon (C), % 0
0.36 to 0.44
Chromium (Cr), % 0.4 to 1.2
0.9 to 1.2
Copper (Cu), % 97.2 to 99.6
0
Iron (Fe), % 0 to 0.15
96 to 97.5
Lithium (Li), % 0 to 0.050
0
Manganese (Mn), % 0
0.45 to 0.85
Molybdenum (Mo), % 0
0.5 to 0.65
Phosphorus (P), % 0 to 0.050
0 to 0.025
Silicon (Si), % 0 to 0.1
0 to 0.4
Sulfur (S), % 0
0 to 0.030
Vanadium (V), % 0
0.25 to 0.35
Zinc (Zn), % 0 to 0.7
0
Residuals, % 0 to 0.5
0