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C18700 Copper vs. AWS E3155

C18700 copper belongs to the copper alloys classification, while AWS E3155 belongs to the iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C18700 copper and the bottom bar is AWS E3155.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
210
Elongation at Break, % 9.0 to 9.6
23
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
81
Tensile Strength: Ultimate (UTS), MPa 290 to 330
770

Thermal Properties

Latent Heat of Fusion, J/g 210
310
Melting Completion (Liquidus), °C 1080
1460
Melting Onset (Solidus), °C 950
1410
Specific Heat Capacity, J/kg-K 380
450
Thermal Conductivity, W/m-K 380
13
Thermal Expansion, µm/m-K 17
13

Otherwise Unclassified Properties

Base Metal Price, % relative 30
70
Density, g/cm3 9.0
8.4
Embodied Carbon, kg CO2/kg material 2.6
7.7
Embodied Energy, MJ/kg 41
110
Embodied Water, L/kg 310
300

Common Calculations

Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 9.0 to 10
26
Strength to Weight: Bending, points 11 to 12
22
Thermal Diffusivity, mm2/s 110
3.3
Thermal Shock Resistance, points 10 to 12
20

Alloy Composition

Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0
20 to 22.5
Cobalt (Co), % 0
18.5 to 21
Copper (Cu), % 98 to 99.2
0 to 0.75
Iron (Fe), % 0
23.3 to 36.3
Lead (Pb), % 0.8 to 1.5
0
Manganese (Mn), % 0
1.0 to 2.5
Molybdenum (Mo), % 0
2.5 to 3.5
Nickel (Ni), % 0
19 to 21
Niobium (Nb), % 0
0.75 to 1.3
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
2.0 to 3.0
Residuals, % 0 to 0.5
0