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C32000 Brass vs. Grade 18 Titanium

C32000 brass belongs to the copper alloys classification, while grade 18 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 C32000 brass and the bottom bar is grade 18 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 6.8 to 29
11 to 17
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 41
40
Shear Strength, MPa 180 to 280
420 to 590
Tensile Strength: Ultimate (UTS), MPa 270 to 470
690 to 980
Tensile Strength: Yield (Proof), MPa 78 to 390
540 to 810

Thermal Properties

Latent Heat of Fusion, J/g 190
410
Maximum Temperature: Mechanical, °C 170
330
Melting Completion (Liquidus), °C 1020
1640
Melting Onset (Solidus), °C 990
1590
Specific Heat Capacity, J/kg-K 380
550
Thermal Conductivity, W/m-K 160
8.3
Thermal Expansion, µm/m-K 19
9.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 37
2.7

Otherwise Unclassified Properties

Density, g/cm3 8.7
4.5
Embodied Carbon, kg CO2/kg material 2.6
41
Embodied Energy, MJ/kg 42
670
Embodied Water, L/kg 310
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30 to 59
87 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 28 to 680
1380 to 3110
Stiffness to Weight: Axial, points 7.1
13
Stiffness to Weight: Bending, points 18
35
Strength to Weight: Axial, points 8.8 to 15
43 to 61
Strength to Weight: Bending, points 11 to 16
39 to 49
Thermal Diffusivity, mm2/s 47
3.4
Thermal Shock Resistance, points 9.5 to 16
47 to 67

Alloy Composition

Aluminum (Al), % 0
2.5 to 3.5
Carbon (C), % 0
0 to 0.080
Copper (Cu), % 83.5 to 86.5
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.1
0 to 0.25
Lead (Pb), % 1.5 to 2.2
0
Nickel (Ni), % 0 to 0.25
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.15
Palladium (Pd), % 0
0.040 to 0.080
Titanium (Ti), % 0
92.5 to 95.5
Vanadium (V), % 0
2.0 to 3.0
Zinc (Zn), % 10.6 to 15
0
Residuals, % 0
0 to 0.4