C23400 Brass vs. C99750 Brass

Both C23400 brass and C99750 brass are copper alloys. They have 76% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is C23400 brass and the bottom bar is C99750 brass.

UNS C23400 Red Brass UNS C99750 Manganese White Brass

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		110
Elastic (Young's, Tensile) Modulus, GPa		130

Poisson's Ratio		0.32
Poisson's Ratio		0.32

Rockwell B Hardness		52 to 91
Rockwell B Hardness		77 to 82

Shear Modulus, GPa		42
Shear Modulus, GPa		48

Tensile Strength: Ultimate (UTS), MPa		370 to 640
Tensile Strength: Ultimate (UTS), MPa		450 to 520

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		970
Melting Completion (Liquidus), °C		840

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

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

Otherwise Unclassified Properties

Base Metal Price, % relative		27
Base Metal Price, % relative		23

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

Embodied Carbon, kg CO₂/kg material		2.6
Embodied Carbon, kg CO₂/kg material		3.1

Embodied Energy, MJ/kg		43
Embodied Energy, MJ/kg		51

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

Common Calculations

Stiffness to Weight: Axial, points		7.2
Stiffness to Weight: Axial, points		8.6

Stiffness to Weight: Bending, points		19
Stiffness to Weight: Bending, points		21

Strength to Weight: Axial, points		12 to 21
Strength to Weight: Axial, points		15 to 18

Strength to Weight: Bending, points		13 to 19
Strength to Weight: Bending, points		16 to 18

Thermal Shock Resistance, points		12 to 22
Thermal Shock Resistance, points		13 to 15

Alloy Composition

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Aluminum (Al), %		0
Aluminum (Al), %		0.25 to 3.0

Copper (Cu), %		81 to 84
Copper (Cu), %		55 to 61

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

Lead (Pb), %		0 to 0.050
Lead (Pb), %		0.5 to 2.5

Manganese (Mn), %		0
Manganese (Mn), %		17 to 23

Nickel (Ni), %		0
Nickel (Ni), %		0 to 5.0

Zinc (Zn), %		15.7 to 19
Zinc (Zn), %		17 to 23

Residuals, %		0 to 0.2
Residuals, %		0 to 0.3