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C81400 Copper vs. EN 1.1203 Steel

C81400 copper belongs to the copper alloys classification, while EN 1.1203 steel belongs to the iron alloys. There are 28 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 C81400 copper and the bottom bar is EN 1.1203 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 11
12 to 15
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 41
72
Tensile Strength: Ultimate (UTS), MPa 370
690 to 780
Tensile Strength: Yield (Proof), MPa 250
340 to 480

Thermal Properties

Latent Heat of Fusion, J/g 210
250
Maximum Temperature: Mechanical, °C 200
400
Melting Completion (Liquidus), °C 1090
1460
Melting Onset (Solidus), °C 1070
1420
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 260
48
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 61
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 33
2.1
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.4
Embodied Energy, MJ/kg 45
19
Embodied Water, L/kg 310
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 36
69 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 260
310 to 610
Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 11
25 to 28
Strength to Weight: Bending, points 13
22 to 24
Thermal Diffusivity, mm2/s 75
13
Thermal Shock Resistance, points 13
22 to 25

Alloy Composition

Beryllium (Be), % 0.020 to 0.1
0
Carbon (C), % 0
0.52 to 0.6
Chromium (Cr), % 0.6 to 1.0
0 to 0.4
Copper (Cu), % 98.4 to 99.38
0
Iron (Fe), % 0
97.1 to 98.9
Manganese (Mn), % 0
0.6 to 0.9
Molybdenum (Mo), % 0
0 to 0.1
Nickel (Ni), % 0
0 to 0.4
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0 to 0.4
Sulfur (S), % 0
0 to 0.035
Residuals, % 0 to 0.5
0