C84100 Brass vs. C55280 Copper

Both C84100 brass and C55280 copper are copper alloys. They have 82% 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 C84100 brass and the bottom bar is C55280 copper.

UNS C84100 Semi-Red Brass UNS C55280 (BCuP-6) Filler Metal

Metric UnitsUS Customary Units

Mechanical Properties

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

Poisson's Ratio		0.33
Poisson's Ratio		0.34

Shear Modulus, GPa		39
Shear Modulus, GPa		40

Tensile Strength: Ultimate (UTS), MPa		230
Tensile Strength: Ultimate (UTS), MPa		180

Thermal Properties

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

Maximum Temperature: Mechanical, °C		160
Maximum Temperature: Mechanical, °C		200

Melting Completion (Liquidus), °C		1000
Melting Completion (Liquidus), °C		790

Melting Onset (Solidus), °C		810
Melting Onset (Solidus), °C		640

Specific Heat Capacity, J/kg-K		380
Specific Heat Capacity, J/kg-K		410

Thermal Expansion, µm/m-K		19
Thermal Expansion, µm/m-K		16

Otherwise Unclassified Properties

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

Embodied Carbon, kg CO₂/kg material		2.9
Embodied Carbon, kg CO₂/kg material		4.2

Embodied Energy, MJ/kg		48
Embodied Energy, MJ/kg		67

Common Calculations

Stiffness to Weight: Axial, points		7.1
Stiffness to Weight: Axial, points		6.9

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

Strength to Weight: Axial, points		7.4
Strength to Weight: Axial, points		5.9

Strength to Weight: Bending, points		9.7
Strength to Weight: Bending, points		8.3

Thermal Shock Resistance, points		7.8
Thermal Shock Resistance, points		7.4

Alloy Composition

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

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

Bismuth (Bi), %		0 to 0.090
Bismuth (Bi), %		0

Copper (Cu), %		78 to 85
Copper (Cu), %		90.5 to 91.4

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

Lead (Pb), %		0.050 to 0.25
Lead (Pb), %		0

Nickel (Ni), %		0 to 0.5
Nickel (Ni), %		0

Phosphorus (P), %		0 to 0.050
Phosphorus (P), %		6.8 to 7.2

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

Silver (Ag), %		0
Silver (Ag), %		1.8 to 2.2

Tin (Sn), %		1.5 to 4.5
Tin (Sn), %		0

Zinc (Zn), %		12 to 20
Zinc (Zn), %		0

Residuals, %		0 to 0.5
Residuals, %		0 to 0.15