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C66900 Brass vs. Grade 27 Titanium

C66900 brass belongs to the copper alloys classification, while grade 27 titanium belongs to the titanium alloys. There are 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C66900 brass and the bottom bar is grade 27 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 1.1 to 26
27
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 45
41
Shear Strength, MPa 290 to 440
180
Tensile Strength: Ultimate (UTS), MPa 460 to 770
270
Tensile Strength: Yield (Proof), MPa 330 to 760
230

Thermal Properties

Latent Heat of Fusion, J/g 190
420
Maximum Temperature: Mechanical, °C 150
320
Melting Completion (Liquidus), °C 860
1660
Melting Onset (Solidus), °C 850
1610
Specific Heat Capacity, J/kg-K 400
540
Thermal Expansion, µm/m-K 20
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 3.8
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 23
37
Density, g/cm3 8.2
4.5
Embodied Carbon, kg CO2/kg material 2.8
33
Embodied Energy, MJ/kg 46
530
Embodied Water, L/kg 310
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.6 to 200
70
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 2450
240
Stiffness to Weight: Axial, points 8.1
13
Stiffness to Weight: Bending, points 20
35
Strength to Weight: Axial, points 15 to 26
17
Strength to Weight: Bending, points 16 to 23
21
Thermal Shock Resistance, points 14 to 23
21

Alloy Composition

Carbon (C), % 0
0 to 0.080
Copper (Cu), % 62.5 to 64.5
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.25
0 to 0.2
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 11.5 to 12.5
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.18
Ruthenium (Ru), % 0
0.080 to 0.14
Titanium (Ti), % 0
99 to 99.92
Zinc (Zn), % 22.5 to 26
0
Residuals, % 0
0 to 0.4