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Grade 20 Titanium vs. CC751S Brass

Grade 20 titanium belongs to the titanium alloys classification, while CC751S 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 CC751S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 5.7 to 17
5.6
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 47
40
Tensile Strength: Ultimate (UTS), MPa 900 to 1270
450
Tensile Strength: Yield (Proof), MPa 850 to 1190
320

Thermal Properties

Latent Heat of Fusion, J/g 400
190
Maximum Temperature: Mechanical, °C 370
130
Melting Completion (Liquidus), °C 1660
850
Melting Onset (Solidus), °C 1600
810
Specific Heat Capacity, J/kg-K 520
390
Thermal Expansion, µm/m-K 9.6
20

Otherwise Unclassified Properties

Density, g/cm3 5.0
8.1
Embodied Carbon, kg CO2/kg material 52
2.8
Embodied Energy, MJ/kg 860
46
Embodied Water, L/kg 350
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 150
23
Resilience: Unit (Modulus of Resilience), kJ/m3 2940 to 5760
480
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 33
19
Strength to Weight: Axial, points 50 to 70
15
Strength to Weight: Bending, points 41 to 52
16
Thermal Shock Resistance, points 55 to 77
15

Alloy Composition

Aluminum (Al), % 3.0 to 4.0
0 to 0.1
Antimony (Sb), % 0
0 to 0.5
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 5.5 to 6.5
0
Copper (Cu), % 0
62.7 to 66
Hydrogen (H), % 0 to 0.020
0
Iron (Fe), % 0 to 0.3
0.25 to 0.5
Lead (Pb), % 0
0.8 to 2.2
Manganese (Mn), % 0
0 to 0.15
Molybdenum (Mo), % 3.5 to 4.5
0
Nickel (Ni), % 0
0 to 0.8
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.12
0
Palladium (Pd), % 0.040 to 0.080
0
Silicon (Si), % 0
0.65 to 1.1
Tin (Sn), % 0
0 to 0.8
Titanium (Ti), % 71 to 77
0
Vanadium (V), % 7.5 to 8.5
0
Zinc (Zn), % 0
27.9 to 35.6
Zirconium (Zr), % 3.5 to 4.5
0
Residuals, % 0 to 0.4
0