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C27400 Brass vs. Grade 38 Titanium

C27400 brass belongs to the copper alloys classification, while grade 38 titanium belongs to the titanium alloys. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is C27400 brass and the bottom bar is grade 38 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
40
Tensile Strength: Ultimate (UTS), MPa 370 to 650
1000

Thermal Properties

Latent Heat of Fusion, J/g 170
410
Maximum Temperature: Mechanical, °C 120
330
Melting Completion (Liquidus), °C 920
1620
Melting Onset (Solidus), °C 870
1570
Specific Heat Capacity, J/kg-K 390
550
Thermal Conductivity, W/m-K 120
8.0
Thermal Expansion, µm/m-K 21
9.3

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
1.2
Electrical Conductivity: Equal Weight (Specific), % IACS 31
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 23
36
Density, g/cm3 8.0
4.5
Embodied Carbon, kg CO2/kg material 2.7
35
Embodied Energy, MJ/kg 45
560
Embodied Water, L/kg 320
160

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
62
Strength to Weight: Bending, points 14 to 21
49
Thermal Diffusivity, mm2/s 37
3.2
Thermal Shock Resistance, points 12 to 22
72

Alloy Composition

Aluminum (Al), % 0
3.5 to 4.5
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
1.2 to 1.8
Lead (Pb), % 0 to 0.050
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0.2 to 0.3
Titanium (Ti), % 0
89.9 to 93.1
Vanadium (V), % 0
2.0 to 3.0
Zinc (Zn), % 35.6 to 39
0
Residuals, % 0
0 to 0.4