C55283 Copper vs. CC481K Bronze

Both C55283 copper and CC481K bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 87% of their average alloy composition in common. There are 18 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is C55283 copper and the bottom bar is CC481K bronze.

UNS C55283 (BCuP-4) Filler Metal EN CC481K (CuSn11P-C) Phosphor Bronze

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		100
Elastic (Young's, Tensile) Modulus, GPa		110

Poisson's Ratio		0.34
Poisson's Ratio		0.34

Shear Modulus, GPa		39
Shear Modulus, GPa		40

Tensile Strength: Ultimate (UTS), MPa		190
Tensile Strength: Ultimate (UTS), MPa		350

Thermal Properties

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

Maximum Temperature: Mechanical, °C		200
Maximum Temperature: Mechanical, °C		170

Melting Completion (Liquidus), °C		720
Melting Completion (Liquidus), °C		1000

Melting Onset (Solidus), °C		640
Melting Onset (Solidus), °C		880

Specific Heat Capacity, J/kg-K		400
Specific Heat Capacity, J/kg-K		370

Thermal Expansion, µm/m-K		16
Thermal Expansion, µm/m-K		18

Otherwise Unclassified Properties

Density, g/cm³		8.6
Density, g/cm³		8.7

Embodied Carbon, kg CO₂/kg material		7.9
Embodied Carbon, kg CO₂/kg material		3.7

Embodied Energy, MJ/kg		120
Embodied Energy, MJ/kg		60

Common Calculations

Stiffness to Weight: Axial, points		6.8
Stiffness to Weight: Axial, points		6.9

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

Strength to Weight: Axial, points		6.1
Strength to Weight: Axial, points		11

Strength to Weight: Bending, points		8.5
Strength to Weight: Bending, points		13

Thermal Shock Resistance, points		8.0
Thermal Shock Resistance, points		13

Alloy Composition

Aluminum (Al), %		0
Aluminum (Al), %		0 to 0.010

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

Copper (Cu), %		86.2 to 87.2
Copper (Cu), %		87 to 89.5

Iron (Fe), %		0
Iron (Fe), %		0 to 0.1

Lead (Pb), %		0
Lead (Pb), %		0 to 0.25

Manganese (Mn), %		0
Manganese (Mn), %		0 to 0.050

Nickel (Ni), %		0
Nickel (Ni), %		0 to 0.1

Phosphorus (P), %		7.0 to 7.5
Phosphorus (P), %		0 to 1.0

Silicon (Si), %		0
Silicon (Si), %		0 to 0.010

Silver (Ag), %		5.8 to 6.2
Silver (Ag), %		0

Sulfur (S), %		0
Sulfur (S), %		0 to 0.050

Tin (Sn), %		0
Tin (Sn), %		10 to 11.5

Zinc (Zn), %		0
Zinc (Zn), %		0 to 0.5

Residuals, %		0 to 0.15
Residuals, %		0