C24000 Brass vs. C99700 Brass

Both C24000 brass and C99700 brass are copper alloys. They have 80% of their average alloy composition in common. There are 22 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 C24000 brass and the bottom bar is C99700 brass.

UNS C24000 (CW503L) Low Brass UNS C99700 Manganese White Brass

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		0.32

Shear Modulus, GPa		42
Shear Modulus, GPa		46

Tensile Strength: Ultimate (UTS), MPa		310 to 640
Tensile Strength: Ultimate (UTS), MPa		380

Thermal Properties

Latent Heat of Fusion, J/g		190
Latent Heat of Fusion, J/g		200

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

Melting Completion (Liquidus), °C		1000
Melting Completion (Liquidus), °C		900

Melting Onset (Solidus), °C		970
Melting Onset (Solidus), °C		880

Specific Heat Capacity, J/kg-K		390
Specific Heat Capacity, J/kg-K		410

Thermal Expansion, µm/m-K		19
Thermal Expansion, µm/m-K		20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS		32
Electrical Conductivity: Equal Volume, % IACS		3.0

Electrical Conductivity: Equal Weight (Specific), % IACS		34
Electrical Conductivity: Equal Weight (Specific), % IACS		3.3

Otherwise Unclassified Properties

Base Metal Price, % relative		27
Base Metal Price, % relative		25

Density, g/cm³		8.5
Density, g/cm³		8.1

Embodied Carbon, kg CO₂/kg material		2.6
Embodied Carbon, kg CO₂/kg material		3.3

Embodied Energy, MJ/kg		43
Embodied Energy, MJ/kg		53

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

Common Calculations

Stiffness to Weight: Axial, points		7.2
Stiffness to Weight: Axial, points		8.3

Stiffness to Weight: Bending, points		19
Stiffness to Weight: Bending, points		20

Strength to Weight: Axial, points		10 to 21
Strength to Weight: Axial, points		13

Strength to Weight: Bending, points		12 to 20
Strength to Weight: Bending, points		14

Thermal Shock Resistance, points		10 to 22
Thermal Shock Resistance, points		11

Alloy Composition

Aluminum (Al), %		0
Aluminum (Al), %		0.5 to 3.0

Copper (Cu), %		78.5 to 81.5
Copper (Cu), %		54 to 65.5

Iron (Fe), %		0 to 0.050
Iron (Fe), %		0 to 1.0

Lead (Pb), %		0 to 0.050
Lead (Pb), %		0 to 2.0

Manganese (Mn), %		0
Manganese (Mn), %		11 to 15

Nickel (Ni), %		0
Nickel (Ni), %		4.0 to 6.0

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

Zinc (Zn), %		18.2 to 21.5
Zinc (Zn), %		19 to 25

Residuals, %		0
Residuals, %		0 to 0.3