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C87500 Brass vs. Grade Ti-Pd18 Titanium

C87500 brass belongs to the copper alloys classification, while grade Ti-Pd18 titanium belongs to the titanium 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 C87500 brass and the bottom bar is grade Ti-Pd18 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 18
17
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 42
40
Tensile Strength: Ultimate (UTS), MPa 460
710
Tensile Strength: Yield (Proof), MPa 190
540

Thermal Properties

Latent Heat of Fusion, J/g 260
410
Maximum Temperature: Mechanical, °C 170
330
Melting Completion (Liquidus), °C 920
1640
Melting Onset (Solidus), °C 820
1590
Specific Heat Capacity, J/kg-K 410
550
Thermal Conductivity, W/m-K 28
8.2
Thermal Expansion, µm/m-K 18
9.1

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.7
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
2.7

Otherwise Unclassified Properties

Density, g/cm3 8.3
4.5
Embodied Carbon, kg CO2/kg material 2.7
41
Embodied Energy, MJ/kg 44
670
Embodied Water, L/kg 300
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 67
110
Resilience: Unit (Modulus of Resilience), kJ/m3 160
1380
Stiffness to Weight: Axial, points 7.4
13
Stiffness to Weight: Bending, points 19
35
Strength to Weight: Axial, points 16
44
Strength to Weight: Bending, points 16
39
Thermal Diffusivity, mm2/s 8.3
3.3
Thermal Shock Resistance, points 17
52

Alloy Composition

Aluminum (Al), % 0 to 0.5
2.5 to 3.5
Carbon (C), % 0
0 to 0.1
Copper (Cu), % 79 to 85
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0
0 to 0.25
Lead (Pb), % 0 to 0.5
0
Nickel (Ni), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.15
Palladium (Pd), % 0
0.040 to 0.080
Silicon (Si), % 3.0 to 5.0
0
Titanium (Ti), % 0
92.5 to 95.5
Vanadium (V), % 0
2.0 to 3.0
Zinc (Zn), % 12 to 16
0
Residuals, % 0
0 to 0.4