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C27400 Brass vs. Titanium 4-4-2

C27400 brass belongs to the copper alloys classification, while titanium 4-4-2 belongs to the titanium alloys. There are 22 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 titanium 4-4-2.

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
42
Tensile Strength: Ultimate (UTS), MPa 370 to 650
1150 to 1250

Thermal Properties

Latent Heat of Fusion, J/g 170
410
Maximum Temperature: Mechanical, °C 120
310
Melting Completion (Liquidus), °C 920
1610
Melting Onset (Solidus), °C 870
1560
Specific Heat Capacity, J/kg-K 390
540
Thermal Conductivity, W/m-K 120
6.7
Thermal Expansion, µm/m-K 21
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 23
39
Density, g/cm3 8.0
4.7
Embodied Carbon, kg CO2/kg material 2.7
30
Embodied Energy, MJ/kg 45
480
Embodied Water, L/kg 320
180

Common Calculations

Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 20
34
Strength to Weight: Axial, points 13 to 23
68 to 74
Strength to Weight: Bending, points 14 to 21
52 to 55
Thermal Diffusivity, mm2/s 37
2.6
Thermal Shock Resistance, points 12 to 22
86 to 93

Alloy Composition

Aluminum (Al), % 0
3.0 to 5.0
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 0.2
Lead (Pb), % 0 to 0.050
0
Molybdenum (Mo), % 0
3.0 to 5.0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.25
Silicon (Si), % 0
0.3 to 0.7
Tin (Sn), % 0
1.5 to 2.5
Titanium (Ti), % 0
85.8 to 92.2
Zinc (Zn), % 35.6 to 39
0
Residuals, % 0
0 to 0.4