C23400 Brass vs. C92800 Bronze

Both C23400 brass and C92800 bronze are copper alloys. They have 81% of their average alloy composition in common. There are 21 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 C23400 brass and the bottom bar is C92800 bronze.

UNS C23400 Red Brass UNS C92800 Leaded Tin Bronze

Metric UnitsUS Customary Units

Mechanical Properties

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

Poisson's Ratio		0.32
Poisson's Ratio		0.35

Rockwell B Hardness		52 to 91
Rockwell B Hardness		80

Shear Modulus, GPa		42
Shear Modulus, GPa		37

Tensile Strength: Ultimate (UTS), MPa		370 to 640
Tensile Strength: Ultimate (UTS), MPa		280

Thermal Properties

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

Maximum Temperature: Mechanical, °C		160
Maximum Temperature: Mechanical, °C		140

Melting Completion (Liquidus), °C		970
Melting Completion (Liquidus), °C		960

Melting Onset (Solidus), °C		930
Melting Onset (Solidus), °C		820

Specific Heat Capacity, J/kg-K		390
Specific Heat Capacity, J/kg-K		350

Thermal Expansion, µm/m-K		19
Thermal Expansion, µm/m-K		18

Otherwise Unclassified Properties

Base Metal Price, % relative		27
Base Metal Price, % relative		36

Density, g/cm³		8.5
Density, g/cm³		8.7

Embodied Carbon, kg CO₂/kg material		2.6
Embodied Carbon, kg CO₂/kg material		4.1

Embodied Energy, MJ/kg		43
Embodied Energy, MJ/kg		67

Embodied Water, L/kg		320
Embodied Water, L/kg		430

Common Calculations

Stiffness to Weight: Axial, points		7.2
Stiffness to Weight: Axial, points		6.4

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

Strength to Weight: Axial, points		12 to 21
Strength to Weight: Axial, points		8.8

Strength to Weight: Bending, points		13 to 19
Strength to Weight: Bending, points		11

Thermal Shock Resistance, points		12 to 22
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), %		81 to 84
Copper (Cu), %		78 to 82

Iron (Fe), %		0 to 0.050
Iron (Fe), %		0 to 0.2

Lead (Pb), %		0 to 0.050
Lead (Pb), %		4.0 to 6.0

Nickel (Ni), %		0
Nickel (Ni), %		0 to 0.8

Phosphorus (P), %		0
Phosphorus (P), %		0 to 1.5

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

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

Tin (Sn), %		0
Tin (Sn), %		15 to 17

Zinc (Zn), %		15.7 to 19
Zinc (Zn), %		0 to 0.8

Residuals, %		0
Residuals, %		0 to 0.7