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Grade 31 Titanium vs. C91700 Bronze

Grade 31 titanium belongs to the titanium alloys classification, while C91700 bronze belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is grade 31 titanium and the bottom bar is C91700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 20
13
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 41
41
Tensile Strength: Ultimate (UTS), MPa 510
330
Tensile Strength: Yield (Proof), MPa 450
170

Thermal Properties

Latent Heat of Fusion, J/g 420
190
Maximum Temperature: Mechanical, °C 320
170
Melting Completion (Liquidus), °C 1660
1020
Melting Onset (Solidus), °C 1610
850
Specific Heat Capacity, J/kg-K 540
370
Thermal Conductivity, W/m-K 21
71
Thermal Expansion, µm/m-K 8.7
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
10
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
10

Otherwise Unclassified Properties

Density, g/cm3 4.5
8.7
Embodied Carbon, kg CO2/kg material 36
3.9
Embodied Energy, MJ/kg 600
63
Embodied Water, L/kg 230
400

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
35
Resilience: Unit (Modulus of Resilience), kJ/m3 940
140
Stiffness to Weight: Axial, points 13
6.9
Stiffness to Weight: Bending, points 35
18
Strength to Weight: Axial, points 32
11
Strength to Weight: Bending, points 32
12
Thermal Diffusivity, mm2/s 8.5
22
Thermal Shock Resistance, points 39
12

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Carbon (C), % 0 to 0.080
0
Cobalt (Co), % 0.2 to 0.8
0
Copper (Cu), % 0
84.2 to 87.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
0 to 0.2
Lead (Pb), % 0
0 to 0.25
Nickel (Ni), % 0
1.2 to 2.0
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 0.3
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
11.3 to 12.5
Titanium (Ti), % 97.9 to 99.76
0
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0 to 0.4
0