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Grade 25 Titanium vs. C34500 Brass

Grade 25 titanium belongs to the titanium alloys classification, while C34500 brass belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is grade 25 titanium and the bottom bar is C34500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 11
12 to 28
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 40
40
Shear Strength, MPa 600
220 to 260
Tensile Strength: Ultimate (UTS), MPa 1000
340 to 430
Tensile Strength: Yield (Proof), MPa 940
120 to 180

Thermal Properties

Latent Heat of Fusion, J/g 410
170
Maximum Temperature: Mechanical, °C 340
120
Melting Completion (Liquidus), °C 1610
910
Melting Onset (Solidus), °C 1560
890
Specific Heat Capacity, J/kg-K 560
380
Thermal Conductivity, W/m-K 7.1
120
Thermal Expansion, µm/m-K 9.6
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
26
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
29

Otherwise Unclassified Properties

Density, g/cm3 4.5
8.2
Embodied Carbon, kg CO2/kg material 43
2.6
Embodied Energy, MJ/kg 700
45
Embodied Water, L/kg 320
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
42 to 75
Resilience: Unit (Modulus of Resilience), kJ/m3 4220
69 to 160
Stiffness to Weight: Axial, points 13
7.1
Stiffness to Weight: Bending, points 35
19
Strength to Weight: Axial, points 62
12 to 15
Strength to Weight: Bending, points 50
13 to 16
Thermal Diffusivity, mm2/s 2.8
37
Thermal Shock Resistance, points 71
11 to 14

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
0
Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
62 to 65
Hydrogen (H), % 0 to 0.013
0
Iron (Fe), % 0 to 0.4
0 to 0.15
Lead (Pb), % 0
1.5 to 2.5
Nickel (Ni), % 0.3 to 0.8
0
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.2
0
Palladium (Pd), % 0.040 to 0.080
0
Titanium (Ti), % 86.7 to 90.6
0
Vanadium (V), % 3.5 to 4.5
0
Zinc (Zn), % 0
32 to 36.5
Residuals, % 0
0 to 0.4