C55282 Copper vs. C49300 Brass

Both C55282 copper and C49300 brass are copper alloys. They have 60% 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 C55282 copper and the bottom bar is C49300 brass.

UNS C55282 (BCuP-7) Filler Metal UNS C49300 Bismuth Brass

Metric UnitsUS Customary Units

Mechanical Properties

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

Poisson's Ratio		0.34
Poisson's Ratio		0.31

Shear Modulus, GPa		39
Shear Modulus, GPa		40

Tensile Strength: Ultimate (UTS), MPa		180
Tensile Strength: Ultimate (UTS), MPa		430 to 520

Thermal Properties

Latent Heat of Fusion, J/g		190
Latent Heat of Fusion, J/g		170

Maximum Temperature: Mechanical, °C		200
Maximum Temperature: Mechanical, °C		120

Melting Completion (Liquidus), °C		770
Melting Completion (Liquidus), °C		880

Melting Onset (Solidus), °C		640
Melting Onset (Solidus), °C		840

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

Thermal Expansion, µm/m-K		16
Thermal Expansion, µm/m-K		20

Otherwise Unclassified Properties

Density, g/cm³		8.6
Density, g/cm³		8.0

Embodied Carbon, kg CO₂/kg material		7.0
Embodied Carbon, kg CO₂/kg material		3.0

Embodied Energy, MJ/kg		110
Embodied Energy, MJ/kg		50

Common Calculations

Stiffness to Weight: Axial, points		6.8
Stiffness to Weight: Axial, points		7.2

Stiffness to Weight: Bending, points		18
Stiffness to Weight: Bending, points		19

Strength to Weight: Axial, points		5.8
Strength to Weight: Axial, points		15 to 18

Strength to Weight: Bending, points		8.2
Strength to Weight: Bending, points		16 to 18

Thermal Shock Resistance, points		7.4
Thermal Shock Resistance, points		14 to 18

Alloy Composition

Aluminum (Al), %		0
Aluminum (Al), %		0 to 0.5

Antimony (Sb), %		0
Antimony (Sb), %		0 to 0.5

Bismuth (Bi), %		0
Bismuth (Bi), %		0.5 to 2.0

Copper (Cu), %		87.7 to 88.7
Copper (Cu), %		58 to 62

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

Lead (Pb), %		0
Lead (Pb), %		0 to 0.010

Manganese (Mn), %		0
Manganese (Mn), %		0 to 0.030

Nickel (Ni), %		0
Nickel (Ni), %		0 to 1.5

Phosphorus (P), %		6.5 to 7.0
Phosphorus (P), %		0 to 0.2

Selenium (Se), %		0
Selenium (Se), %		0 to 0.2

Silicon (Si), %		0
Silicon (Si), %		0 to 0.1

Silver (Ag), %		4.8 to 5.2
Silver (Ag), %		0

Tin (Sn), %		0
Tin (Sn), %		1.0 to 1.8

Zinc (Zn), %		0
Zinc (Zn), %		30.6 to 40.5

Residuals, %		0
Residuals, %		0 to 0.5