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Grade 20 Titanium vs. CC765S Brass

Grade 20 titanium belongs to the titanium alloys classification, while CC765S brass belongs to the copper alloys. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is grade 20 titanium and the bottom bar is CC765S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 5.7 to 17
21
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 47
42
Tensile Strength: Ultimate (UTS), MPa 900 to 1270
540
Tensile Strength: Yield (Proof), MPa 850 to 1190
220

Thermal Properties

Latent Heat of Fusion, J/g 400
180
Maximum Temperature: Mechanical, °C 370
140
Melting Completion (Liquidus), °C 1660
860
Melting Onset (Solidus), °C 1600
820
Specific Heat Capacity, J/kg-K 520
400
Thermal Expansion, µm/m-K 9.6
20

Otherwise Unclassified Properties

Density, g/cm3 5.0
8.0
Embodied Carbon, kg CO2/kg material 52
3.0
Embodied Energy, MJ/kg 860
51
Embodied Water, L/kg 350
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 150
90
Resilience: Unit (Modulus of Resilience), kJ/m3 2940 to 5760
220
Stiffness to Weight: Axial, points 14
7.6
Stiffness to Weight: Bending, points 33
20
Strength to Weight: Axial, points 50 to 70
19
Strength to Weight: Bending, points 41 to 52
18
Thermal Shock Resistance, points 55 to 77
17

Alloy Composition

Aluminum (Al), % 3.0 to 4.0
0.5 to 2.5
Antimony (Sb), % 0
0 to 0.080
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 5.5 to 6.5
0
Copper (Cu), % 0
51 to 65
Hydrogen (H), % 0 to 0.020
0
Iron (Fe), % 0 to 0.3
0.5 to 2.0
Lead (Pb), % 0
0 to 0.5
Manganese (Mn), % 0
0.3 to 3.0
Molybdenum (Mo), % 3.5 to 4.5
0
Nickel (Ni), % 0
0 to 6.0
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.12
0
Palladium (Pd), % 0.040 to 0.080
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.1
Tin (Sn), % 0
0 to 1.0
Titanium (Ti), % 71 to 77
0
Vanadium (V), % 7.5 to 8.5
0
Zinc (Zn), % 0
19.8 to 47.7
Zirconium (Zr), % 3.5 to 4.5
0
Residuals, % 0 to 0.4
0