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C18700 Copper vs. EN 1.0625 Steel

C18700 copper belongs to the copper alloys classification, while EN 1.0625 steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C18700 copper and the bottom bar is EN 1.0625 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 9.0 to 9.6
25
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
73
Tensile Strength: Ultimate (UTS), MPa 290 to 330
560
Tensile Strength: Yield (Proof), MPa 230 to 250
320

Thermal Properties

Latent Heat of Fusion, J/g 210
250
Maximum Temperature: Mechanical, °C 200
400
Melting Completion (Liquidus), °C 1080
1460
Melting Onset (Solidus), °C 950
1420
Specific Heat Capacity, J/kg-K 380
470
Thermal Conductivity, W/m-K 380
47
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 98
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 99
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 30
2.2
Density, g/cm3 9.0
7.8
Embodied Carbon, kg CO2/kg material 2.6
1.5
Embodied Energy, MJ/kg 41
20
Embodied Water, L/kg 310
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 24 to 29
120
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 280
270
Stiffness to Weight: Axial, points 7.1
13
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 9.0 to 10
20
Strength to Weight: Bending, points 11 to 12
19
Thermal Diffusivity, mm2/s 110
13
Thermal Shock Resistance, points 10 to 12
18

Alloy Composition

Carbon (C), % 0
0.18 to 0.25
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 98 to 99.2
0 to 0.3
Iron (Fe), % 0
96.6 to 99.02
Lead (Pb), % 0.8 to 1.5
0
Manganese (Mn), % 0
0.8 to 1.4
Molybdenum (Mo), % 0
0 to 0.12
Nickel (Ni), % 0
0 to 0.4
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.6
Sulfur (S), % 0
0 to 0.020
Vanadium (V), % 0
0 to 0.030
Residuals, % 0 to 0.5
0