C23400 Brass vs. C82600 Copper

Both C23400 brass and C82600 copper are copper alloys. They have 83% 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 C82600 copper.

UNS C23400 Red Brass UNS C82600 (Alloy 245C) Beryllium Copper

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		110
Elastic (Young's, Tensile) Modulus, GPa		120

Poisson's Ratio		0.32
Poisson's Ratio		0.33

Shear Modulus, GPa		42
Shear Modulus, GPa		46

Tensile Strength: Ultimate (UTS), MPa		370 to 640
Tensile Strength: Ultimate (UTS), MPa		570 to 1140

Thermal Properties

Latent Heat of Fusion, J/g		190
Latent Heat of Fusion, J/g		240

Maximum Temperature: Mechanical, °C		160
Maximum Temperature: Mechanical, °C		300

Melting Completion (Liquidus), °C		970
Melting Completion (Liquidus), °C		950

Melting Onset (Solidus), °C		930
Melting Onset (Solidus), °C		860

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

Thermal Conductivity, W/m-K		120
Thermal Conductivity, W/m-K		130

Thermal Expansion, µm/m-K		19
Thermal Expansion, µm/m-K		17

Otherwise Unclassified Properties

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

Embodied Carbon, kg CO₂/kg material		2.6
Embodied Carbon, kg CO₂/kg material		11

Embodied Energy, MJ/kg		43
Embodied Energy, MJ/kg		180

Embodied Water, L/kg		320
Embodied Water, L/kg		310

Common Calculations

Stiffness to Weight: Axial, points		7.2
Stiffness to Weight: Axial, points		7.8

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

Strength to Weight: Axial, points		12 to 21
Strength to Weight: Axial, points		18 to 36

Strength to Weight: Bending, points		13 to 19
Strength to Weight: Bending, points		17 to 28

Thermal Diffusivity, mm²/s		36
Thermal Diffusivity, mm²/s		37

Thermal Shock Resistance, points		12 to 22
Thermal Shock Resistance, points		19 to 39

Alloy Composition

Aluminum (Al), %		0
Aluminum (Al), %		0 to 0.15

Beryllium (Be), %		0
Beryllium (Be), %		2.3 to 2.6

Chromium (Cr), %		0
Chromium (Cr), %		0 to 0.1

Cobalt (Co), %		0
Cobalt (Co), %		0.35 to 0.65

Copper (Cu), %		81 to 84
Copper (Cu), %		94.9 to 97.2

Iron (Fe), %		0 to 0.050
Iron (Fe), %		0 to 0.25

Lead (Pb), %		0 to 0.050
Lead (Pb), %		0 to 0.020

Nickel (Ni), %		0
Nickel (Ni), %		0 to 0.2

Silicon (Si), %		0
Silicon (Si), %		0.2 to 0.35

Tin (Sn), %		0
Tin (Sn), %		0 to 0.1

Titanium (Ti), %		0
Titanium (Ti), %		0 to 0.12

Zinc (Zn), %		15.7 to 19
Zinc (Zn), %		0 to 0.1

Residuals, %		0
Residuals, %		0 to 0.5