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Grade 20 Titanium vs. C27400 Brass

Grade 20 titanium belongs to the titanium alloys classification, while C27400 brass belongs to the copper alloys. There are 19 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is grade 20 titanium and the bottom bar is C27400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 47
40
Tensile Strength: Ultimate (UTS), MPa 900 to 1270
370 to 650

Thermal Properties

Latent Heat of Fusion, J/g 400
170
Maximum Temperature: Mechanical, °C 370
120
Melting Completion (Liquidus), °C 1660
920
Melting Onset (Solidus), °C 1600
870
Specific Heat Capacity, J/kg-K 520
390
Thermal Expansion, µm/m-K 9.6
21

Otherwise Unclassified Properties

Density, g/cm3 5.0
8.0
Embodied Carbon, kg CO2/kg material 52
2.7
Embodied Energy, MJ/kg 860
45
Embodied Water, L/kg 350
320

Common Calculations

Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 33
20
Strength to Weight: Axial, points 50 to 70
13 to 23
Strength to Weight: Bending, points 41 to 52
14 to 21
Thermal Shock Resistance, points 55 to 77
12 to 22

Alloy Composition

Aluminum (Al), % 3.0 to 4.0
0
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 5.5 to 6.5
0
Copper (Cu), % 0
61 to 64
Hydrogen (H), % 0 to 0.020
0
Iron (Fe), % 0 to 0.3
0 to 0.1
Lead (Pb), % 0
0 to 0.050
Molybdenum (Mo), % 3.5 to 4.5
0
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.12
0
Palladium (Pd), % 0.040 to 0.080
0
Titanium (Ti), % 71 to 77
0
Vanadium (V), % 7.5 to 8.5
0
Zinc (Zn), % 0
35.6 to 39
Zirconium (Zr), % 3.5 to 4.5
0
Residuals, % 0
0 to 0.3

Comparable Variants