C55181 Copper vs. Solder Alloy 112

C55181 copper belongs to the copper alloys classification, while solder alloy 112 belongs to the otherwise unclassified metals. There are 18 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 C55181 copper and the bottom bar is solder alloy 112.

UNS C55181 (BCuP-2) Filler Metal ISO Solder Alloy 112 (Pb50Sn50E)

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		110
Elastic (Young's, Tensile) Modulus, GPa		33

Poisson's Ratio		0.34
Poisson's Ratio		0.4

Shear Modulus, GPa		40
Shear Modulus, GPa		12

Tensile Strength: Ultimate (UTS), MPa		200
Tensile Strength: Ultimate (UTS), MPa		41

Thermal Properties

Latent Heat of Fusion, J/g		190
Latent Heat of Fusion, J/g		41

Melting Completion (Liquidus), °C		790
Melting Completion (Liquidus), °C		220

Melting Onset (Solidus), °C		710
Melting Onset (Solidus), °C		180

Specific Heat Capacity, J/kg-K		410
Specific Heat Capacity, J/kg-K		180

Thermal Expansion, µm/m-K		16
Thermal Expansion, µm/m-K		26

Otherwise Unclassified Properties

Density, g/cm³		8.5
Density, g/cm³		9.3

Embodied Carbon, kg CO₂/kg material		2.4
Embodied Carbon, kg CO₂/kg material		9.4

Embodied Energy, MJ/kg		38
Embodied Energy, MJ/kg		160

Embodied Water, L/kg		290
Embodied Water, L/kg		830

Common Calculations

Stiffness to Weight: Axial, points		7.0
Stiffness to Weight: Axial, points		2.0

Stiffness to Weight: Bending, points		19
Stiffness to Weight: Bending, points		11

Strength to Weight: Axial, points		6.5
Strength to Weight: Axial, points		1.2

Strength to Weight: Bending, points		8.9
Strength to Weight: Bending, points		2.8

Thermal Shock Resistance, points		8.2
Thermal Shock Resistance, points		3.5

Alloy Composition

Aluminum (Al), %		0
Aluminum (Al), %		0 to 0.0010

Antimony (Sb), %		0
Antimony (Sb), %		0 to 0.050

Arsenic (As), %		0
Arsenic (As), %		0 to 0.030

Bismuth (Bi), %		0
Bismuth (Bi), %		0 to 0.050

Cadmium (Cd), %		0
Cadmium (Cd), %		0 to 0.0020

Copper (Cu), %		92.4 to 93
Copper (Cu), %		0 to 0.080

Gold (Au), %		0
Gold (Au), %		0 to 0.050

Indium (In), %		0
Indium (In), %		0 to 0.1

Iron (Fe), %		0
Iron (Fe), %		0 to 0.020

Lead (Pb), %		0
Lead (Pb), %		49 to 50.5

Nickel (Ni), %		0
Nickel (Ni), %		0 to 0.010

Phosphorus (P), %		7.0 to 7.5
Phosphorus (P), %		0

Silver (Ag), %		0
Silver (Ag), %		0 to 0.1

Tin (Sn), %		0
Tin (Sn), %		49.5 to 50.5

Zinc (Zn), %		0
Zinc (Zn), %		0 to 0.0010

Residuals, %		0 to 0.15
Residuals, %		0