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Grade 31 Titanium vs. C86700 Bronze

Grade 31 titanium belongs to the titanium alloys classification, while C86700 bronze belongs to the copper alloys. There are 27 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 C86700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 20
17
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 41
41
Tensile Strength: Ultimate (UTS), MPa 510
630
Tensile Strength: Yield (Proof), MPa 450
250

Thermal Properties

Latent Heat of Fusion, J/g 420
180
Maximum Temperature: Mechanical, °C 320
130
Melting Completion (Liquidus), °C 1660
880
Melting Onset (Solidus), °C 1610
860
Specific Heat Capacity, J/kg-K 540
400
Thermal Conductivity, W/m-K 21
89
Thermal Expansion, µm/m-K 8.7
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
17
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
19

Otherwise Unclassified Properties

Density, g/cm3 4.5
7.9
Embodied Carbon, kg CO2/kg material 36
2.9
Embodied Energy, MJ/kg 600
49
Embodied Water, L/kg 230
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
86
Resilience: Unit (Modulus of Resilience), kJ/m3 940
290
Stiffness to Weight: Axial, points 13
7.5
Stiffness to Weight: Bending, points 35
20
Strength to Weight: Axial, points 32
22
Strength to Weight: Bending, points 32
21
Thermal Diffusivity, mm2/s 8.5
28
Thermal Shock Resistance, points 39
21

Alloy Composition

Aluminum (Al), % 0
1.0 to 3.0
Carbon (C), % 0 to 0.080
0
Cobalt (Co), % 0.2 to 0.8
0
Copper (Cu), % 0
55 to 60
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
1.0 to 3.0
Lead (Pb), % 0
0.5 to 1.5
Manganese (Mn), % 0
1.0 to 3.5
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
Tin (Sn), % 0
0 to 1.5
Titanium (Ti), % 97.9 to 99.76
0
Zinc (Zn), % 0
30 to 38
Residuals, % 0
0 to 1.0