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Grade 25 Titanium vs. C68000 Brass

Grade 25 titanium belongs to the titanium alloys classification, while C68000 brass belongs to the copper alloys. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is grade 25 titanium and the bottom bar is C68000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 11
27
Poisson's Ratio 0.32
0.3
Shear Modulus, GPa 40
40
Tensile Strength: Ultimate (UTS), MPa 1000
390
Tensile Strength: Yield (Proof), MPa 940
140

Thermal Properties

Latent Heat of Fusion, J/g 410
170
Maximum Temperature: Mechanical, °C 340
120
Melting Completion (Liquidus), °C 1610
880
Melting Onset (Solidus), °C 1560
870
Specific Heat Capacity, J/kg-K 560
390
Thermal Conductivity, W/m-K 7.1
96
Thermal Expansion, µm/m-K 9.6
21

Otherwise Unclassified Properties

Density, g/cm3 4.5
8.0
Embodied Carbon, kg CO2/kg material 43
2.8
Embodied Energy, MJ/kg 700
48
Embodied Water, L/kg 320
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
82
Resilience: Unit (Modulus of Resilience), kJ/m3 4220
95
Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 35
20
Strength to Weight: Axial, points 62
14
Strength to Weight: Bending, points 50
15
Thermal Diffusivity, mm2/s 2.8
31
Thermal Shock Resistance, points 71
13

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
0 to 0.010
Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
56 to 60
Hydrogen (H), % 0 to 0.013
0
Iron (Fe), % 0 to 0.4
0.25 to 1.3
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0
0.010 to 0.5
Nickel (Ni), % 0.3 to 0.8
0.2 to 0.8
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.2
0
Palladium (Pd), % 0.040 to 0.080
0
Silicon (Si), % 0
0.040 to 0.15
Tin (Sn), % 0
0.75 to 1.1
Titanium (Ti), % 86.7 to 90.6
0
Vanadium (V), % 3.5 to 4.5
0
Zinc (Zn), % 0
35.6 to 42.8
Residuals, % 0
0 to 0.5