C27400 Brass vs. C86800 Bronze

Both C27400 brass and C86800 bronze are copper alloys. They have 90% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C27400 brass and the bottom bar is C86800 bronze.

UNS C27400 (CW508L) Yellow Brass UNS C86800 Nickel-Manganese Bronze

Metric UnitsUS Customary Units

Mechanical Properties

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

Poisson's Ratio		0.31
Poisson's Ratio		0.31

Shear Modulus, GPa		40
Shear Modulus, GPa		42

Tensile Strength: Ultimate (UTS), MPa		370 to 650
Tensile Strength: Ultimate (UTS), MPa		570

Thermal Properties

Latent Heat of Fusion, J/g		170
Latent Heat of Fusion, J/g		180

Maximum Temperature: Mechanical, °C		120
Maximum Temperature: Mechanical, °C		140

Melting Completion (Liquidus), °C		920
Melting Completion (Liquidus), °C		900

Melting Onset (Solidus), °C		870
Melting Onset (Solidus), °C		880

Specific Heat Capacity, J/kg-K		390
Specific Heat Capacity, J/kg-K		400

Thermal Expansion, µm/m-K		21
Thermal Expansion, µm/m-K		20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS		28
Electrical Conductivity: Equal Volume, % IACS		9.0

Electrical Conductivity: Equal Weight (Specific), % IACS		31
Electrical Conductivity: Equal Weight (Specific), % IACS		10

Otherwise Unclassified Properties

Base Metal Price, % relative		23
Base Metal Price, % relative		24

Density, g/cm³		8.0
Density, g/cm³		7.9

Embodied Carbon, kg CO₂/kg material		2.7
Embodied Carbon, kg CO₂/kg material		3.0

Embodied Energy, MJ/kg		45
Embodied Energy, MJ/kg		51

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

Common Calculations

Stiffness to Weight: Axial, points		7.2
Stiffness to Weight: Axial, points		7.7

Stiffness to Weight: Bending, points		20
Stiffness to Weight: Bending, points		20

Strength to Weight: Axial, points		13 to 23
Strength to Weight: Axial, points		20

Strength to Weight: Bending, points		14 to 21
Strength to Weight: Bending, points		19

Thermal Shock Resistance, points		12 to 22
Thermal Shock Resistance, points		18

Alloy Composition

Aluminum (Al), %		0
Aluminum (Al), %		0 to 2.0

Copper (Cu), %		61 to 64
Copper (Cu), %		53.5 to 57

Iron (Fe), %		0 to 0.1
Iron (Fe), %		1.0 to 2.5

Lead (Pb), %		0 to 0.050
Lead (Pb), %		0 to 0.2

Manganese (Mn), %		0
Manganese (Mn), %		2.5 to 4.0

Nickel (Ni), %		0
Nickel (Ni), %		2.5 to 4.0

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

Zinc (Zn), %		35.6 to 39
Zinc (Zn), %		28.3 to 40.5

Residuals, %		0
Residuals, %		0 to 1.0