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C26000 Brass vs. Grade 18 Titanium

C26000 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 (5, in this case) are not shown.

For each property being compared, the top bar is C26000 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, % 2.5 to 66
11 to 17
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 41
40
Shear Strength, MPa 230 to 390
420 to 590
Tensile Strength: Ultimate (UTS), MPa 320 to 680
690 to 980
Tensile Strength: Yield (Proof), MPa 110 to 570
540 to 810

Thermal Properties

Latent Heat of Fusion, J/g 180
410
Maximum Temperature: Mechanical, °C 140
330
Melting Completion (Liquidus), °C 950
1640
Melting Onset (Solidus), °C 920
1590
Specific Heat Capacity, J/kg-K 390
550
Thermal Conductivity, W/m-K 120
8.3
Thermal Expansion, µm/m-K 20
9.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 31
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 320
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.1 to 420
87 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 51 to 1490
1380 to 3110
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 19
35
Strength to Weight: Axial, points 11 to 23
43 to 61
Strength to Weight: Bending, points 13 to 21
39 to 49
Thermal Diffusivity, mm2/s 38
3.4
Thermal Shock Resistance, points 11 to 23
47 to 67

Alloy Composition

Aluminum (Al), % 0
2.5 to 3.5
Bismuth (Bi), % 0 to 0.0059
0
Carbon (C), % 0
0 to 0.080
Copper (Cu), % 68.5 to 71.5
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.050
0 to 0.25
Lead (Pb), % 0 to 0.070
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), % 28.1 to 31.5
0
Residuals, % 0
0 to 0.4