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Grade 31 Titanium vs. C64800 Bronze

Grade 31 titanium belongs to the titanium alloys classification, while C64800 bronze belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is grade 31 titanium and the bottom bar is C64800 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 20
8.0
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 41
44
Shear Strength, MPa 320
380
Tensile Strength: Ultimate (UTS), MPa 510
640
Tensile Strength: Yield (Proof), MPa 450
630

Thermal Properties

Latent Heat of Fusion, J/g 420
220
Maximum Temperature: Mechanical, °C 320
200
Melting Completion (Liquidus), °C 1660
1090
Melting Onset (Solidus), °C 1610
1030
Specific Heat Capacity, J/kg-K 540
390
Thermal Conductivity, W/m-K 21
260
Thermal Expansion, µm/m-K 8.7
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
65
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
66

Otherwise Unclassified Properties

Density, g/cm3 4.5
8.9
Embodied Carbon, kg CO2/kg material 36
2.7
Embodied Energy, MJ/kg 600
43
Embodied Water, L/kg 230
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
51
Resilience: Unit (Modulus of Resilience), kJ/m3 940
1680
Stiffness to Weight: Axial, points 13
7.4
Stiffness to Weight: Bending, points 35
18
Strength to Weight: Axial, points 32
20
Strength to Weight: Bending, points 32
19
Thermal Diffusivity, mm2/s 8.5
75
Thermal Shock Resistance, points 39
23

Alloy Composition

Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 0
0 to 0.090
Cobalt (Co), % 0.2 to 0.8
1.0 to 3.0
Copper (Cu), % 0
92.4 to 98.8
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
0 to 1.0
Lead (Pb), % 0
0 to 0.050
Nickel (Ni), % 0
0 to 0.5
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.35
0
Palladium (Pd), % 0.040 to 0.080
0
Phosphorus (P), % 0
0 to 0.5
Silicon (Si), % 0
0.2 to 1.0
Tin (Sn), % 0
0 to 0.5
Titanium (Ti), % 97.9 to 99.76
0
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0 to 0.4
0 to 0.5