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CC491K Bronze vs. Grade 20 Titanium

CC491K bronze 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 CC491K bronze 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, % 13
5.7 to 17
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 40
47
Tensile Strength: Ultimate (UTS), MPa 260
900 to 1270
Tensile Strength: Yield (Proof), MPa 120
850 to 1190

Thermal Properties

Latent Heat of Fusion, J/g 190
400
Maximum Temperature: Mechanical, °C 160
370
Melting Completion (Liquidus), °C 980
1660
Melting Onset (Solidus), °C 900
1600
Specific Heat Capacity, J/kg-K 370
520
Thermal Expansion, µm/m-K 19
9.6

Otherwise Unclassified Properties

Density, g/cm3 8.9
5.0
Embodied Carbon, kg CO2/kg material 3.1
52
Embodied Energy, MJ/kg 51
860
Embodied Water, L/kg 350
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
71 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 67
2940 to 5760
Stiffness to Weight: Axial, points 6.7
14
Stiffness to Weight: Bending, points 18
33
Strength to Weight: Axial, points 8.1
50 to 70
Strength to Weight: Bending, points 10
41 to 52
Thermal Shock Resistance, points 9.3
55 to 77

Alloy Composition

Aluminum (Al), % 0 to 0.010
3.0 to 4.0
Antimony (Sb), % 0 to 0.25
0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
5.5 to 6.5
Copper (Cu), % 81 to 87
0
Hydrogen (H), % 0
0 to 0.020
Iron (Fe), % 0 to 0.3
0 to 0.3
Lead (Pb), % 4.0 to 6.0
0
Molybdenum (Mo), % 0
3.5 to 4.5
Nickel (Ni), % 0 to 2.0
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.12
Palladium (Pd), % 0
0.040 to 0.080
Phosphorus (P), % 0 to 0.1
0
Silicon (Si), % 0 to 0.010
0
Sulfur (S), % 0 to 0.1
0
Tin (Sn), % 4.0 to 6.0
0
Titanium (Ti), % 0
71 to 77
Vanadium (V), % 0
7.5 to 8.5
Zinc (Zn), % 4.0 to 6.0
0
Zirconium (Zr), % 0
3.5 to 4.5
Residuals, % 0
0 to 0.4