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C69400 Brass vs. Grade 12 Titanium

C69400 brass belongs to the copper alloys classification, while grade 12 titanium belongs to the titanium alloys. There are 29 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 C69400 brass and the bottom bar is grade 12 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 17
21
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 42
39
Shear Strength, MPa 350
330
Tensile Strength: Ultimate (UTS), MPa 570
530
Tensile Strength: Yield (Proof), MPa 270
410

Thermal Properties

Latent Heat of Fusion, J/g 260
420
Maximum Temperature: Mechanical, °C 170
320
Melting Completion (Liquidus), °C 920
1660
Melting Onset (Solidus), °C 820
1610
Specific Heat Capacity, J/kg-K 410
540
Thermal Conductivity, W/m-K 26
21
Thermal Expansion, µm/m-K 18
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.2
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 6.7
6.6

Otherwise Unclassified Properties

Base Metal Price, % relative 27
37
Density, g/cm3 8.3
4.5
Embodied Carbon, kg CO2/kg material 2.7
31
Embodied Energy, MJ/kg 44
500
Embodied Water, L/kg 300
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
110
Resilience: Unit (Modulus of Resilience), kJ/m3 340
770
Stiffness to Weight: Axial, points 7.4
13
Stiffness to Weight: Bending, points 19
35
Strength to Weight: Axial, points 19
32
Strength to Weight: Bending, points 18
32
Thermal Diffusivity, mm2/s 7.7
8.5
Thermal Shock Resistance, points 20
37

Alloy Composition

Carbon (C), % 0
0 to 0.080
Copper (Cu), % 80 to 83
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.2
0 to 0.3
Lead (Pb), % 0 to 0.3
0
Molybdenum (Mo), % 0
0.2 to 0.4
Nickel (Ni), % 0
0.6 to 0.9
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.25
Silicon (Si), % 3.5 to 4.5
0
Titanium (Ti), % 0
97.6 to 99.2
Zinc (Zn), % 11.5 to 16.5
0
Residuals, % 0
0 to 0.4