Commercially Pure Silver vs. C14700 Copper

Commercially pure silver belongs to the otherwise unclassified metals classification, while C14700 copper belongs to the copper alloys. There are 21 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 commercially pure silver and the bottom bar is C14700 copper.

Commercially Pure Silver UNS C14700 Sulfurized Copper

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		71
Elastic (Young's, Tensile) Modulus, GPa		120

Elongation at Break, %		1.1 to 29
Elongation at Break, %		9.1 to 35

Poisson's Ratio		0.37
Poisson's Ratio		0.34

Shear Modulus, GPa		26
Shear Modulus, GPa		43

Shear Strength, MPa		120 to 190
Shear Strength, MPa		160 to 190

Tensile Strength: Ultimate (UTS), MPa		190 to 340
Tensile Strength: Ultimate (UTS), MPa		240 to 320

Thermal Properties

Latent Heat of Fusion, J/g		110
Latent Heat of Fusion, J/g		210

Melting Completion (Liquidus), °C		960
Melting Completion (Liquidus), °C		1080

Melting Onset (Solidus), °C		960
Melting Onset (Solidus), °C		1070

Specific Heat Capacity, J/kg-K		240
Specific Heat Capacity, J/kg-K		390

Thermal Conductivity, W/m-K		420
Thermal Conductivity, W/m-K		370

Thermal Expansion, µm/m-K		20
Thermal Expansion, µm/m-K		17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS		100
Electrical Conductivity: Equal Volume, % IACS		95

Electrical Conductivity: Equal Weight (Specific), % IACS		87
Electrical Conductivity: Equal Weight (Specific), % IACS		96

Otherwise Unclassified Properties

Density, g/cm³		10
Density, g/cm³		8.9

Common Calculations

Stiffness to Weight: Axial, points		3.8
Stiffness to Weight: Axial, points		7.2

Stiffness to Weight: Bending, points		13
Stiffness to Weight: Bending, points		18

Strength to Weight: Axial, points		4.9 to 8.9
Strength to Weight: Axial, points		7.3 to 10

Strength to Weight: Bending, points		6.9 to 10
Strength to Weight: Bending, points		9.5 to 12

Thermal Diffusivity, mm²/s		170
Thermal Diffusivity, mm²/s		110

Thermal Shock Resistance, points		9.5 to 17
Thermal Shock Resistance, points		8.4 to 12

Alloy Composition

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Copper (Cu), %		0
Copper (Cu), %		99.395 to 99.798

Phosphorus (P), %		0
Phosphorus (P), %		0.0020 to 0.0050

Silver (Ag), %		99.9 to 100
Silver (Ag), %		0

Sulfur (S), %		0
Sulfur (S), %		0.2 to 0.5

Residuals, %		0 to 0.1
Residuals, %		0 to 0.1