Grade 31 Titanium vs. C23400 Brass

Grade 31 titanium belongs to the titanium alloys classification, while C23400 brass belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is grade 31 titanium and the bottom bar is C23400 brass.

Grade 31 (R53532) Titanium UNS C23400 Red Brass

Metric UnitsUS Customary Units

Mechanical Properties

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

Poisson's Ratio		0.32
Poisson's Ratio		0.32

Shear Modulus, GPa		41
Shear Modulus, GPa		42

Tensile Strength: Ultimate (UTS), MPa		510
Tensile Strength: Ultimate (UTS), MPa		370 to 640

Thermal Properties

Latent Heat of Fusion, J/g		420
Latent Heat of Fusion, J/g		190

Maximum Temperature: Mechanical, °C		320
Maximum Temperature: Mechanical, °C		160

Melting Completion (Liquidus), °C		1660
Melting Completion (Liquidus), °C		970

Melting Onset (Solidus), °C		1610
Melting Onset (Solidus), °C		930

Specific Heat Capacity, J/kg-K		540
Specific Heat Capacity, J/kg-K		390

Thermal Conductivity, W/m-K		21
Thermal Conductivity, W/m-K		120

Thermal Expansion, µm/m-K		8.7
Thermal Expansion, µm/m-K		19

Otherwise Unclassified Properties

Density, g/cm³		4.5
Density, g/cm³		8.5

Embodied Carbon, kg CO₂/kg material		36
Embodied Carbon, kg CO₂/kg material		2.6

Embodied Energy, MJ/kg		600
Embodied Energy, MJ/kg		43

Embodied Water, L/kg		230
Embodied Water, L/kg		320

Common Calculations

Stiffness to Weight: Axial, points		13
Stiffness to Weight: Axial, points		7.2

Stiffness to Weight: Bending, points		35
Stiffness to Weight: Bending, points		19

Strength to Weight: Axial, points		32
Strength to Weight: Axial, points		12 to 21

Strength to Weight: Bending, points		32
Strength to Weight: Bending, points		13 to 19

Thermal Diffusivity, mm²/s		8.5
Thermal Diffusivity, mm²/s		36

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

Alloy Composition

Carbon (C), %		0 to 0.080
Carbon (C), %		0

Cobalt (Co), %		0.2 to 0.8
Cobalt (Co), %		0

Copper (Cu), %		0
Copper (Cu), %		81 to 84

Hydrogen (H), %		0 to 0.015
Hydrogen (H), %		0

Iron (Fe), %		0 to 0.3
Iron (Fe), %		0 to 0.050

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

Nitrogen (N), %		0 to 0.050
Nitrogen (N), %		0

Oxygen (O), %		0 to 0.35
Oxygen (O), %		0

Palladium (Pd), %		0.040 to 0.080
Palladium (Pd), %		0

Titanium (Ti), %		97.9 to 99.76
Titanium (Ti), %		0

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

Residuals, %		0
Residuals, %		0 to 0.2