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Grade 29 Titanium vs. C69700 Brass

Grade 29 titanium belongs to the titanium alloys classification, while C69700 brass 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 29 titanium and the bottom bar is C69700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 6.8 to 11
25
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 40
41
Shear Strength, MPa 550 to 560
300
Tensile Strength: Ultimate (UTS), MPa 930 to 940
470
Tensile Strength: Yield (Proof), MPa 850 to 870
230

Thermal Properties

Latent Heat of Fusion, J/g 410
240
Maximum Temperature: Mechanical, °C 340
160
Melting Completion (Liquidus), °C 1610
930
Melting Onset (Solidus), °C 1560
880
Specific Heat Capacity, J/kg-K 560
400
Thermal Conductivity, W/m-K 7.3
43
Thermal Expansion, µm/m-K 9.3
19

Otherwise Unclassified Properties

Base Metal Price, % relative 36
26
Density, g/cm3 4.5
8.3
Embodied Carbon, kg CO2/kg material 39
2.7
Embodied Energy, MJ/kg 640
44
Embodied Water, L/kg 410
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 62 to 100
99
Resilience: Unit (Modulus of Resilience), kJ/m3 3420 to 3540
250
Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 35
19
Strength to Weight: Axial, points 58 to 59
16
Strength to Weight: Bending, points 47 to 48
16
Thermal Diffusivity, mm2/s 2.9
13
Thermal Shock Resistance, points 68 to 69
16

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
75 to 80
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0 to 0.2
Lead (Pb), % 0
0.5 to 1.5
Manganese (Mn), % 0
0 to 0.4
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.13
0
Ruthenium (Ru), % 0.080 to 0.14
0
Silicon (Si), % 0
2.5 to 3.5
Titanium (Ti), % 88 to 90.9
0
Vanadium (V), % 3.5 to 4.5
0
Zinc (Zn), % 0
13.9 to 22
Residuals, % 0
0 to 0.5