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Grade 18 Titanium vs. C84100 Brass

Grade 18 titanium belongs to the titanium alloys classification, while C84100 brass belongs to the copper alloys. There are 27 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 grade 18 titanium and the bottom bar is C84100 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 11 to 17
13
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
39
Tensile Strength: Ultimate (UTS), MPa 690 to 980
230
Tensile Strength: Yield (Proof), MPa 540 to 810
81

Thermal Properties

Latent Heat of Fusion, J/g 410
190
Maximum Temperature: Mechanical, °C 330
160
Melting Completion (Liquidus), °C 1640
1000
Melting Onset (Solidus), °C 1590
810
Specific Heat Capacity, J/kg-K 550
380
Thermal Conductivity, W/m-K 8.3
110
Thermal Expansion, µm/m-K 9.9
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
23
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
25

Otherwise Unclassified Properties

Density, g/cm3 4.5
8.5
Embodied Carbon, kg CO2/kg material 41
2.9
Embodied Energy, MJ/kg 670
48
Embodied Water, L/kg 270
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87 to 110
24
Resilience: Unit (Modulus of Resilience), kJ/m3 1380 to 3110
30
Stiffness to Weight: Axial, points 13
7.1
Stiffness to Weight: Bending, points 35
19
Strength to Weight: Axial, points 43 to 61
7.4
Strength to Weight: Bending, points 39 to 49
9.7
Thermal Diffusivity, mm2/s 3.4
33
Thermal Shock Resistance, points 47 to 67
7.8

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
0 to 0.010
Antimony (Sb), % 0
0 to 0.050
Bismuth (Bi), % 0
0 to 0.090
Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
78 to 85
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0 to 0.3
Lead (Pb), % 0
0.050 to 0.25
Nickel (Ni), % 0
0 to 0.5
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.15
0
Palladium (Pd), % 0.040 to 0.080
0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0
0 to 0.010
Tin (Sn), % 0
1.5 to 4.5
Titanium (Ti), % 92.5 to 95.5
0
Vanadium (V), % 2.0 to 3.0
0
Zinc (Zn), % 0
12 to 20
Residuals, % 0 to 0.4
0 to 0.5