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Grade 20 Titanium vs. C87900 Brass

Grade 20 titanium belongs to the titanium alloys classification, while C87900 brass belongs to the copper alloys. There are 23 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 grade 20 titanium and the bottom bar is C87900 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 5.7 to 17
25
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 47
41
Tensile Strength: Ultimate (UTS), MPa 900 to 1270
480
Tensile Strength: Yield (Proof), MPa 850 to 1190
240

Thermal Properties

Latent Heat of Fusion, J/g 400
190
Maximum Temperature: Mechanical, °C 370
130
Melting Completion (Liquidus), °C 1660
930
Melting Onset (Solidus), °C 1600
900
Specific Heat Capacity, J/kg-K 520
390
Thermal Expansion, µm/m-K 9.6
20

Otherwise Unclassified Properties

Density, g/cm3 5.0
8.1
Embodied Carbon, kg CO2/kg material 52
2.7
Embodied Energy, MJ/kg 860
46
Embodied Water, L/kg 350
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 150
100
Resilience: Unit (Modulus of Resilience), kJ/m3 2940 to 5760
270
Stiffness to Weight: Axial, points 14
7.3
Stiffness to Weight: Bending, points 33
20
Strength to Weight: Axial, points 50 to 70
17
Strength to Weight: Bending, points 41 to 52
17
Thermal Shock Resistance, points 55 to 77
16

Alloy Composition

Aluminum (Al), % 3.0 to 4.0
0 to 0.15
Antimony (Sb), % 0
0 to 0.050
Arsenic (As), % 0
0 to 0.050
Carbon (C), % 0 to 0.050
0
Chromium (Cr), % 5.5 to 6.5
0
Copper (Cu), % 0
63 to 69.2
Hydrogen (H), % 0 to 0.020
0
Iron (Fe), % 0 to 0.3
0 to 0.4
Lead (Pb), % 0
0 to 0.25
Manganese (Mn), % 0
0 to 0.15
Molybdenum (Mo), % 3.5 to 4.5
0
Nickel (Ni), % 0
0 to 0.5
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.12
0
Palladium (Pd), % 0.040 to 0.080
0
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0
0.8 to 1.2
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 0
0 to 0.25
Titanium (Ti), % 71 to 77
0
Vanadium (V), % 7.5 to 8.5
0
Zinc (Zn), % 0
30 to 36
Zirconium (Zr), % 3.5 to 4.5
0
Residuals, % 0 to 0.4
0