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Grade 31 Titanium vs. C65100 Bronze

Grade 31 titanium belongs to the titanium alloys classification, while C65100 bronze belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is grade 31 titanium and the bottom bar is C65100 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 20
2.4 to 50
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 41
43
Shear Strength, MPa 320
200 to 350
Tensile Strength: Ultimate (UTS), MPa 510
280 to 560
Tensile Strength: Yield (Proof), MPa 450
95 to 440

Thermal Properties

Latent Heat of Fusion, J/g 420
230
Maximum Temperature: Mechanical, °C 320
200
Melting Completion (Liquidus), °C 1660
1060
Melting Onset (Solidus), °C 1610
1030
Specific Heat Capacity, J/kg-K 540
390
Thermal Conductivity, W/m-K 21
57
Thermal Expansion, µm/m-K 8.7
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
12
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
12

Otherwise Unclassified Properties

Density, g/cm3 4.5
8.8
Embodied Carbon, kg CO2/kg material 36
2.6
Embodied Energy, MJ/kg 600
41
Embodied Water, L/kg 230
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
12 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 940
39 to 820
Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 35
18
Strength to Weight: Axial, points 32
8.7 to 18
Strength to Weight: Bending, points 32
11 to 17
Thermal Diffusivity, mm2/s 8.5
16
Thermal Shock Resistance, points 39
9.5 to 19

Alloy Composition

Carbon (C), % 0 to 0.080
0
Cobalt (Co), % 0.2 to 0.8
0
Copper (Cu), % 0
94.5 to 99.2
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
0 to 0.8
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0
0 to 0.7
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.35
0
Palladium (Pd), % 0.040 to 0.080
0
Silicon (Si), % 0
0.8 to 2.0
Titanium (Ti), % 97.9 to 99.76
0
Zinc (Zn), % 0
0 to 1.5
Residuals, % 0
0 to 0.5