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Grade 17 Titanium vs. C87400 Brass

Grade 17 titanium belongs to the titanium alloys classification, while C87400 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 17 titanium and the bottom bar is C87400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 27
21
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 38
41
Tensile Strength: Ultimate (UTS), MPa 270
390
Tensile Strength: Yield (Proof), MPa 210
160

Thermal Properties

Latent Heat of Fusion, J/g 420
250
Maximum Temperature: Mechanical, °C 320
170
Melting Completion (Liquidus), °C 1660
920
Melting Onset (Solidus), °C 1610
820
Specific Heat Capacity, J/kg-K 540
400
Thermal Conductivity, W/m-K 23
28
Thermal Expansion, µm/m-K 8.7
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.7
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
7.2

Otherwise Unclassified Properties

Density, g/cm3 4.5
8.3
Embodied Carbon, kg CO2/kg material 36
2.7
Embodied Energy, MJ/kg 600
44
Embodied Water, L/kg 230
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 68
65
Resilience: Unit (Modulus of Resilience), kJ/m3 220
120
Stiffness to Weight: Axial, points 13
7.4
Stiffness to Weight: Bending, points 35
19
Strength to Weight: Axial, points 17
13
Strength to Weight: Bending, points 21
14
Thermal Diffusivity, mm2/s 9.3
8.3
Thermal Shock Resistance, points 21
14

Alloy Composition

Aluminum (Al), % 0
0 to 0.8
Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
79 to 85.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
0
Lead (Pb), % 0
0 to 1.0
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.18
0
Palladium (Pd), % 0.040 to 0.080
0
Silicon (Si), % 0
2.5 to 4.0
Titanium (Ti), % 99.015 to 99.96
0
Zinc (Zn), % 0
12 to 16
Residuals, % 0
0 to 0.8