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CC767S Brass vs. Grade 20 Titanium

CC767S brass belongs to the copper alloys classification, while grade 20 titanium belongs to the titanium 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 CC767S brass and the bottom bar is grade 20 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 34
5.7 to 17
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 40
47
Tensile Strength: Ultimate (UTS), MPa 430
900 to 1270
Tensile Strength: Yield (Proof), MPa 150
850 to 1190

Thermal Properties

Latent Heat of Fusion, J/g 180
400
Maximum Temperature: Mechanical, °C 120
370
Melting Completion (Liquidus), °C 840
1660
Melting Onset (Solidus), °C 790
1600
Specific Heat Capacity, J/kg-K 390
520
Thermal Expansion, µm/m-K 21
9.6

Otherwise Unclassified Properties

Density, g/cm3 8.0
5.0
Embodied Carbon, kg CO2/kg material 2.7
52
Embodied Energy, MJ/kg 47
860
Embodied Water, L/kg 330
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
71 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 100
2940 to 5760
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 20
33
Strength to Weight: Axial, points 15
50 to 70
Strength to Weight: Bending, points 16
41 to 52
Thermal Shock Resistance, points 14
55 to 77

Alloy Composition

Aluminum (Al), % 0.1 to 0.8
3.0 to 4.0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
5.5 to 6.5
Copper (Cu), % 58 to 64
0
Hydrogen (H), % 0
0 to 0.020
Iron (Fe), % 0 to 0.5
0 to 0.3
Lead (Pb), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.5
0
Molybdenum (Mo), % 0
3.5 to 4.5
Nickel (Ni), % 0 to 1.0
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.12
Palladium (Pd), % 0
0.040 to 0.080
Silicon (Si), % 0 to 0.2
0
Tin (Sn), % 0 to 0.1
0
Titanium (Ti), % 0
71 to 77
Vanadium (V), % 0
7.5 to 8.5
Zinc (Zn), % 32.8 to 41.9
0
Zirconium (Zr), % 0
3.5 to 4.5
Residuals, % 0
0 to 0.4