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Grade 31 Titanium vs. C94100 Bronze

Grade 31 titanium belongs to the titanium alloys classification, while C94100 bronze belongs to the copper alloys. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is grade 31 titanium and the bottom bar is C94100 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
92
Elongation at Break, % 20
7.8
Poisson's Ratio 0.32
0.36
Shear Modulus, GPa 41
34
Tensile Strength: Ultimate (UTS), MPa 510
190
Tensile Strength: Yield (Proof), MPa 450
130

Thermal Properties

Latent Heat of Fusion, J/g 420
160
Maximum Temperature: Mechanical, °C 320
130
Melting Completion (Liquidus), °C 1660
870
Melting Onset (Solidus), °C 1610
790
Specific Heat Capacity, J/kg-K 540
330
Thermal Expansion, µm/m-K 8.7
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
8.8

Otherwise Unclassified Properties

Density, g/cm3 4.5
9.2
Embodied Carbon, kg CO2/kg material 36
3.0
Embodied Energy, MJ/kg 600
48
Embodied Water, L/kg 230
370

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
14
Resilience: Unit (Modulus of Resilience), kJ/m3 940
97
Stiffness to Weight: Axial, points 13
5.5
Stiffness to Weight: Bending, points 35
16
Strength to Weight: Axial, points 32
5.8
Strength to Weight: Bending, points 32
8.1
Thermal Shock Resistance, points 39
7.6

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.8
Carbon (C), % 0 to 0.080
0
Cobalt (Co), % 0.2 to 0.8
0
Copper (Cu), % 0
72 to 79
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
0 to 0.25
Lead (Pb), % 0
18 to 22
Nickel (Ni), % 0
0 to 1.0
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 1.5
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
4.5 to 6.5
Titanium (Ti), % 97.9 to 99.76
0
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 1.3