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C38000 Brass vs. Grade 20 Titanium

C38000 brass belongs to the copper alloys classification, while grade 20 titanium belongs to the titanium alloys. There are 24 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C38000 brass and the bottom bar is grade 20 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Elongation at Break, % 17
5.7 to 17
Poisson's Ratio 0.31
0.32
Shear Modulus, GPa 39
47
Shear Strength, MPa 230
560 to 740
Tensile Strength: Ultimate (UTS), MPa 380
900 to 1270
Tensile Strength: Yield (Proof), MPa 120
850 to 1190

Thermal Properties

Latent Heat of Fusion, J/g 170
400
Maximum Temperature: Mechanical, °C 110
370
Melting Completion (Liquidus), °C 800
1660
Melting Onset (Solidus), °C 760
1600
Specific Heat Capacity, J/kg-K 380
520
Thermal Expansion, µm/m-K 21
9.6

Otherwise Unclassified Properties

Density, g/cm3 8.0
5.0
Embodied Carbon, kg CO2/kg material 2.7
52
Embodied Energy, MJ/kg 46
860
Embodied Water, L/kg 330
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 50
71 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 74
2940 to 5760
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 19
33
Strength to Weight: Axial, points 13
50 to 70
Strength to Weight: Bending, points 14
41 to 52
Thermal Shock Resistance, points 13
55 to 77

Alloy Composition

Aluminum (Al), % 0 to 0.5
3.0 to 4.0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
5.5 to 6.5
Copper (Cu), % 55 to 60
0
Hydrogen (H), % 0
0 to 0.020
Iron (Fe), % 0 to 0.35
0 to 0.3
Lead (Pb), % 1.5 to 2.5
0
Molybdenum (Mo), % 0
3.5 to 4.5
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.12
Palladium (Pd), % 0
0.040 to 0.080
Tin (Sn), % 0 to 0.3
0
Titanium (Ti), % 0
71 to 77
Vanadium (V), % 0
7.5 to 8.5
Zinc (Zn), % 35.9 to 43.5
0
Zirconium (Zr), % 0
3.5 to 4.5
Residuals, % 0
0 to 0.4