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Grade 29 Titanium vs. C37700 Brass

Grade 29 titanium belongs to the titanium alloys classification, while C37700 brass belongs to the copper alloys. There are 29 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 grade 29 titanium and the bottom bar is C37700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 6.8 to 11
40
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 40
39
Shear Strength, MPa 550 to 560
270
Tensile Strength: Ultimate (UTS), MPa 930 to 940
400
Tensile Strength: Yield (Proof), MPa 850 to 870
160

Thermal Properties

Latent Heat of Fusion, J/g 410
170
Maximum Temperature: Mechanical, °C 340
120
Melting Completion (Liquidus), °C 1610
890
Melting Onset (Solidus), °C 1560
880
Specific Heat Capacity, J/kg-K 560
380
Thermal Conductivity, W/m-K 7.3
120
Thermal Expansion, µm/m-K 9.3
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
27
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
30

Otherwise Unclassified Properties

Base Metal Price, % relative 36
23
Density, g/cm3 4.5
8.1
Embodied Carbon, kg CO2/kg material 39
2.6
Embodied Energy, MJ/kg 640
45
Embodied Water, L/kg 410
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 62 to 100
130
Resilience: Unit (Modulus of Resilience), kJ/m3 3420 to 3540
120
Stiffness to Weight: Axial, points 13
7.1
Stiffness to Weight: Bending, points 35
19
Strength to Weight: Axial, points 58 to 59
14
Strength to Weight: Bending, points 47 to 48
15
Thermal Diffusivity, mm2/s 2.9
39
Thermal Shock Resistance, points 68 to 69
13

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
58 to 61
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0 to 0.3
Lead (Pb), % 0
1.5 to 2.5
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.13
0
Ruthenium (Ru), % 0.080 to 0.14
0
Titanium (Ti), % 88 to 90.9
0
Vanadium (V), % 3.5 to 4.5
0
Zinc (Zn), % 0
35.7 to 40.5
Residuals, % 0
0 to 0.5