C55284 Copper vs. C94900 Bronze

Both C55284 copper and C94900 bronze are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 80% of their average alloy composition in common. There are 18 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is C55284 copper and the bottom bar is C94900 bronze.

UNS C55284 (BCuP-5) Filler Metal UNS C94900 Leaded Nickel-Tin 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		38
Shear Modulus, GPa		41

Tensile Strength: Ultimate (UTS), MPa		180
Tensile Strength: Ultimate (UTS), MPa		300

Thermal Properties

Latent Heat of Fusion, J/g		180
Latent Heat of Fusion, J/g		190

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

Melting Completion (Liquidus), °C		800
Melting Completion (Liquidus), °C		980

Melting Onset (Solidus), °C		640
Melting Onset (Solidus), °C		910

Specific Heat Capacity, J/kg-K		380
Specific Heat Capacity, J/kg-K		370

Thermal Expansion, µm/m-K		17
Thermal Expansion, µm/m-K		18

Otherwise Unclassified Properties

Density, g/cm³		8.9
Density, g/cm³		8.8

Embodied Carbon, kg CO₂/kg material		16
Embodied Carbon, kg CO₂/kg material		3.4

Embodied Energy, MJ/kg		260
Embodied Energy, MJ/kg		55

Common Calculations

Stiffness to Weight: Axial, points		6.5
Stiffness to Weight: Axial, points		6.9

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

Strength to Weight: Axial, points		5.6
Strength to Weight: Axial, points		9.4

Strength to Weight: Bending, points		8.0
Strength to Weight: Bending, points		11

Thermal Shock Resistance, points		7.4
Thermal Shock Resistance, points		11

Alloy Composition

Aluminum (Al), %		0
Aluminum (Al), %		0 to 0.0050

Antimony (Sb), %		0
Antimony (Sb), %		0 to 0.25

Copper (Cu), %		79.2 to 80.7
Copper (Cu), %		79 to 81

Iron (Fe), %		0
Iron (Fe), %		0 to 0.3

Lead (Pb), %		0
Lead (Pb), %		4.0 to 6.0

Manganese (Mn), %		0
Manganese (Mn), %		0 to 0.1

Nickel (Ni), %		0
Nickel (Ni), %		4.0 to 6.0

Phosphorus (P), %		4.8 to 5.2
Phosphorus (P), %		0 to 0.050

Silicon (Si), %		0
Silicon (Si), %		0 to 0.0050

Silver (Ag), %		14.5 to 15.5
Silver (Ag), %		0

Sulfur (S), %		0
Sulfur (S), %		0 to 0.080

Tin (Sn), %		0
Tin (Sn), %		4.0 to 6.0

Zinc (Zn), %		0
Zinc (Zn), %		4.0 to 6.0

Residuals, %		0
Residuals, %		0 to 0.8