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Grade 25 Titanium vs. C21000 Brass

Grade 25 titanium belongs to the titanium alloys classification, while C21000 brass belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is grade 25 titanium and the bottom bar is C21000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 11
2.9 to 50
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 40
43
Shear Strength, MPa 600
180 to 280
Tensile Strength: Ultimate (UTS), MPa 1000
240 to 450
Tensile Strength: Yield (Proof), MPa 940
69 to 440

Thermal Properties

Latent Heat of Fusion, J/g 410
200
Maximum Temperature: Mechanical, °C 340
190
Melting Completion (Liquidus), °C 1610
1070
Melting Onset (Solidus), °C 1560
1050
Specific Heat Capacity, J/kg-K 560
390
Thermal Conductivity, W/m-K 7.1
230
Thermal Expansion, µm/m-K 9.6
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
56
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
57

Otherwise Unclassified Properties

Density, g/cm3 4.5
8.8
Embodied Carbon, kg CO2/kg material 43
2.6
Embodied Energy, MJ/kg 700
42
Embodied Water, L/kg 320
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
13 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 4220
21 to 830
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 35
18
Strength to Weight: Axial, points 62
7.4 to 14
Strength to Weight: Bending, points 50
9.6 to 15
Thermal Diffusivity, mm2/s 2.8
69
Thermal Shock Resistance, points 71
8.1 to 15

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
0
Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
94 to 96
Hydrogen (H), % 0 to 0.013
0
Iron (Fe), % 0 to 0.4
0 to 0.050
Lead (Pb), % 0
0 to 0.030
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
3.7 to 6.0
Residuals, % 0
0 to 0.2