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C87500 Brass vs. Grade 23 Titanium

C87500 brass belongs to the copper alloys classification, while grade 23 titanium belongs to the titanium alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C87500 brass and the bottom bar is grade 23 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 18
6.7 to 11
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 42
40
Tensile Strength: Ultimate (UTS), MPa 460
930 to 940
Tensile Strength: Yield (Proof), MPa 190
850 to 870

Thermal Properties

Latent Heat of Fusion, J/g 260
410
Maximum Temperature: Mechanical, °C 170
340
Melting Completion (Liquidus), °C 920
1610
Melting Onset (Solidus), °C 820
1560
Specific Heat Capacity, J/kg-K 410
560
Thermal Conductivity, W/m-K 28
7.1
Thermal Expansion, µm/m-K 18
9.4

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.7
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 27
36
Density, g/cm3 8.3
4.4
Embodied Carbon, kg CO2/kg material 2.7
38
Embodied Energy, MJ/kg 44
610
Embodied Water, L/kg 300
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 67
61 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 160
3430 to 3560
Stiffness to Weight: Axial, points 7.4
13
Stiffness to Weight: Bending, points 19
35
Strength to Weight: Axial, points 16
58 to 59
Strength to Weight: Bending, points 16
48
Thermal Diffusivity, mm2/s 8.3
2.9
Thermal Shock Resistance, points 17
67 to 68

Alloy Composition

Aluminum (Al), % 0 to 0.5
5.5 to 6.5
Carbon (C), % 0
0 to 0.080
Copper (Cu), % 79 to 85
0
Hydrogen (H), % 0
0 to 0.013
Iron (Fe), % 0
0 to 0.25
Lead (Pb), % 0 to 0.5
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.13
Silicon (Si), % 3.0 to 5.0
0
Titanium (Ti), % 0
88.1 to 91
Vanadium (V), % 0
3.5 to 4.5
Zinc (Zn), % 12 to 16
0
Residuals, % 0
0 to 0.4