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C64800 Bronze vs. Grade 31 Titanium

C64800 bronze belongs to the copper alloys classification, while grade 31 titanium belongs to the titanium 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 C64800 bronze and the bottom bar is grade 31 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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