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C69300 Brass vs. Grade 18 Titanium

C69300 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 (4, in this case) are not shown.

For each property being compared, the top bar is C69300 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, % 8.5 to 15
11 to 17
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 41
40
Shear Strength, MPa 330 to 370
420 to 590
Tensile Strength: Ultimate (UTS), MPa 550 to 630
690 to 980
Tensile Strength: Yield (Proof), MPa 300 to 390
540 to 810

Thermal Properties

Latent Heat of Fusion, J/g 240
410
Maximum Temperature: Mechanical, °C 160
330
Melting Completion (Liquidus), °C 880
1640
Melting Onset (Solidus), °C 860
1590
Specific Heat Capacity, J/kg-K 400
550
Thermal Conductivity, W/m-K 38
8.3
Thermal Expansion, µm/m-K 19
9.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
2.7

Otherwise Unclassified Properties

Density, g/cm3 8.2
4.5
Embodied Carbon, kg CO2/kg material 2.7
41
Embodied Energy, MJ/kg 45
670
Embodied Water, L/kg 310
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 47 to 70
87 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 400 to 700
1380 to 3110
Stiffness to Weight: Axial, points 7.4
13
Stiffness to Weight: Bending, points 19
35
Strength to Weight: Axial, points 19 to 21
43 to 61
Strength to Weight: Bending, points 18 to 20
39 to 49
Thermal Diffusivity, mm2/s 12
3.4
Thermal Shock Resistance, points 19 to 22
47 to 67

Alloy Composition

Aluminum (Al), % 0
2.5 to 3.5
Carbon (C), % 0
0 to 0.080
Copper (Cu), % 73 to 77
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.1
0 to 0.25
Lead (Pb), % 0 to 0.090
0
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.1
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.15
Palladium (Pd), % 0
0.040 to 0.080
Phosphorus (P), % 0.040 to 0.15
0
Silicon (Si), % 2.7 to 3.4
0
Tin (Sn), % 0 to 0.2
0
Titanium (Ti), % 0
92.5 to 95.5
Vanadium (V), % 0
2.0 to 3.0
Zinc (Zn), % 18.4 to 24.3
0
Residuals, % 0
0 to 0.4