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C87500 Brass vs. Grade 38 Titanium

C87500 brass belongs to the copper alloys classification, while grade 38 titanium belongs to the titanium alloys. There are 28 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 C87500 brass and the bottom bar is grade 38 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 18
11
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 42
40
Tensile Strength: Ultimate (UTS), MPa 460
1000
Tensile Strength: Yield (Proof), MPa 190
910

Thermal Properties

Latent Heat of Fusion, J/g 260
410
Maximum Temperature: Mechanical, °C 170
330
Melting Completion (Liquidus), °C 920
1620
Melting Onset (Solidus), °C 820
1570
Specific Heat Capacity, J/kg-K 410
550
Thermal Conductivity, W/m-K 28
8.0
Thermal Expansion, µm/m-K 18
9.3

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.7
1.2
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 27
36
Density, g/cm3 8.3
4.5
Embodied Carbon, kg CO2/kg material 2.7
35
Embodied Energy, MJ/kg 44
560
Embodied Water, L/kg 300
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 67
110
Resilience: Unit (Modulus of Resilience), kJ/m3 160
3840
Stiffness to Weight: Axial, points 7.4
13
Stiffness to Weight: Bending, points 19
35
Strength to Weight: Axial, points 16
62
Strength to Weight: Bending, points 16
49
Thermal Diffusivity, mm2/s 8.3
3.2
Thermal Shock Resistance, points 17
72

Alloy Composition

Aluminum (Al), % 0 to 0.5
3.5 to 4.5
Carbon (C), % 0
0 to 0.080
Copper (Cu), % 79 to 85
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0
1.2 to 1.8
Lead (Pb), % 0 to 0.5
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0.2 to 0.3
Silicon (Si), % 3.0 to 5.0
0
Titanium (Ti), % 0
89.9 to 93.1
Vanadium (V), % 0
2.0 to 3.0
Zinc (Zn), % 12 to 16
0
Residuals, % 0
0 to 0.4