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C27400 Brass vs. Grade 7 Titanium

C27400 brass belongs to the copper alloys classification, while grade 7 titanium belongs to the titanium alloys. There are 23 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is C27400 brass and the bottom bar is grade 7 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 40
38
Tensile Strength: Ultimate (UTS), MPa 370 to 650
420

Thermal Properties

Latent Heat of Fusion, J/g 170
420
Maximum Temperature: Mechanical, °C 120
320
Melting Completion (Liquidus), °C 920
1660
Melting Onset (Solidus), °C 870
1610
Specific Heat Capacity, J/kg-K 390
540
Thermal Conductivity, W/m-K 120
22
Thermal Expansion, µm/m-K 21
9.2

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 31
7.2

Otherwise Unclassified Properties

Density, g/cm3 8.0
4.5
Embodied Carbon, kg CO2/kg material 2.7
47
Embodied Energy, MJ/kg 45
800
Embodied Water, L/kg 320
470

Common Calculations

Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 20
35
Strength to Weight: Axial, points 13 to 23
26
Strength to Weight: Bending, points 14 to 21
28
Thermal Diffusivity, mm2/s 37
8.9
Thermal Shock Resistance, points 12 to 22
31

Alloy Composition

Carbon (C), % 0
0 to 0.080
Copper (Cu), % 61 to 64
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.1
0 to 0.3
Lead (Pb), % 0 to 0.050
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.25
Palladium (Pd), % 0
0.12 to 0.25
Titanium (Ti), % 0
98.7 to 99.88
Zinc (Zn), % 35.6 to 39
0
Residuals, % 0
0 to 0.4