C18700 Copper vs. AWS ERNiMo-3

C18700 copper belongs to the copper alloys classification, while AWS ERNiMo-3 belongs to the nickel alloys. There are 19 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is C18700 copper and the bottom bar is AWS ERNiMo-3.

UNS C18700 (CW113C) Leaded Copper AWS ERNiMo-3 Weld Metal

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		110
Elastic (Young's, Tensile) Modulus, GPa		220

Poisson's Ratio		0.34
Poisson's Ratio		0.3

Shear Modulus, GPa		43
Shear Modulus, GPa		83

Tensile Strength: Ultimate (UTS), MPa		290 to 330
Tensile Strength: Ultimate (UTS), MPa		770

Thermal Properties

Latent Heat of Fusion, J/g		210
Latent Heat of Fusion, J/g		320

Melting Completion (Liquidus), °C		1080
Melting Completion (Liquidus), °C		1600

Melting Onset (Solidus), °C		950
Melting Onset (Solidus), °C		1540

Specific Heat Capacity, J/kg-K		380
Specific Heat Capacity, J/kg-K		400

Thermal Expansion, µm/m-K		17
Thermal Expansion, µm/m-K		11

Otherwise Unclassified Properties

Base Metal Price, % relative		30
Base Metal Price, % relative		70

Density, g/cm³		9.0
Density, g/cm³		9.1

Embodied Carbon, kg CO₂/kg material		2.6
Embodied Carbon, kg CO₂/kg material		15

Embodied Energy, MJ/kg		41
Embodied Energy, MJ/kg		190

Embodied Water, L/kg		310
Embodied Water, L/kg		270

Common Calculations

Stiffness to Weight: Axial, points		7.1
Stiffness to Weight: Axial, points		13

Stiffness to Weight: Bending, points		18
Stiffness to Weight: Bending, points		22

Strength to Weight: Axial, points		9.0 to 10
Strength to Weight: Axial, points		24

Strength to Weight: Bending, points		11 to 12
Strength to Weight: Bending, points		21

Thermal Shock Resistance, points		10 to 12
Thermal Shock Resistance, points		24

Alloy Composition

Carbon (C), %		0
Carbon (C), %		0 to 0.12

Chromium (Cr), %		0
Chromium (Cr), %		4.0 to 6.0

Cobalt (Co), %		0
Cobalt (Co), %		0 to 2.5

Copper (Cu), %		98 to 99.2
Copper (Cu), %		0 to 0.5

Iron (Fe), %		0
Iron (Fe), %		4.0 to 7.0

Lead (Pb), %		0.8 to 1.5
Lead (Pb), %		0

Manganese (Mn), %		0
Manganese (Mn), %		0 to 1.0

Molybdenum (Mo), %		0
Molybdenum (Mo), %		23 to 26

Nickel (Ni), %		0
Nickel (Ni), %		53.7 to 69

Phosphorus (P), %		0
Phosphorus (P), %		0 to 0.040

Silicon (Si), %		0
Silicon (Si), %		0 to 1.0

Sulfur (S), %		0
Sulfur (S), %		0 to 0.030

Tungsten (W), %		0
Tungsten (W), %		0 to 1.0

Vanadium (V), %		0
Vanadium (V), %		0 to 0.6

Residuals, %		0
Residuals, %		0 to 0.5