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Grade 29 Titanium vs. C90500 Gun Metal

Grade 29 titanium belongs to the titanium alloys classification, while C90500 gun metal belongs to the copper alloys. There are 29 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 29 titanium and the bottom bar is C90500 gun metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 6.8 to 11
20
Fatigue Strength, MPa 460 to 510
90
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 40
40
Tensile Strength: Ultimate (UTS), MPa 930 to 940
320
Tensile Strength: Yield (Proof), MPa 850 to 870
160

Thermal Properties

Latent Heat of Fusion, J/g 410
190
Maximum Temperature: Mechanical, °C 340
170
Melting Completion (Liquidus), °C 1610
1000
Melting Onset (Solidus), °C 1560
850
Specific Heat Capacity, J/kg-K 560
370
Thermal Conductivity, W/m-K 7.3
75
Thermal Expansion, µm/m-K 9.3
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
11
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
11

Otherwise Unclassified Properties

Base Metal Price, % relative 36
35
Density, g/cm3 4.5
8.7
Embodied Carbon, kg CO2/kg material 39
3.6
Embodied Energy, MJ/kg 640
59
Embodied Water, L/kg 410
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 62 to 100
54
Resilience: Unit (Modulus of Resilience), kJ/m3 3420 to 3540
110
Stiffness to Weight: Axial, points 13
6.9
Stiffness to Weight: Bending, points 35
18
Strength to Weight: Axial, points 58 to 59
10
Strength to Weight: Bending, points 47 to 48
12
Thermal Diffusivity, mm2/s 2.9
23
Thermal Shock Resistance, points 68 to 69
12

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
86 to 89
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0 to 0.2
Lead (Pb), % 0
0 to 0.3
Nickel (Ni), % 0
0 to 1.0
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.13
0
Phosphorus (P), % 0
0 to 1.5
Ruthenium (Ru), % 0.080 to 0.14
0
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
9.0 to 11
Titanium (Ti), % 88 to 90.9
0
Vanadium (V), % 3.5 to 4.5
0
Zinc (Zn), % 0
1.0 to 3.0
Residuals, % 0
0 to 0.3