C99750 Brass vs. Grade 21 Titanium
C99750 brass belongs to the copper alloys classification, while grade 21 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 C99750 brass and the bottom bar is grade 21 titanium.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 130 | |
| 140 |
| Elongation at Break, % | 20 to 30 | |
| 9.0 to 17 |
| Poisson's Ratio | 0.32 | |
| 0.32 |
| Shear Modulus, GPa | 48 | |
| 51 |
| Tensile Strength: Ultimate (UTS), MPa | 450 to 520 | |
| 890 to 1340 |
| Tensile Strength: Yield (Proof), MPa | 220 to 280 | |
| 870 to 1170 |
Thermal Properties
| Latent Heat of Fusion, J/g | 200 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 160 | |
| 310 |
| Melting Completion (Liquidus), °C | 840 | |
| 1740 |
| Melting Onset (Solidus), °C | 820 | |
| 1690 |
| Specific Heat Capacity, J/kg-K | 410 | |
| 500 |
| Thermal Expansion, µm/m-K | 20 | |
| 7.1 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 23 | |
| 60 |
| Density, g/cm3 | 8.1 | |
| 5.4 |
| Embodied Carbon, kg CO2/kg material | 3.1 | |
| 32 |
| Embodied Energy, MJ/kg | 51 | |
| 490 |
| Embodied Water, L/kg | 310 | |
| 180 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 87 to 110 | |
| 110 to 180 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 190 to 300 | |
| 2760 to 5010 |
| Stiffness to Weight: Axial, points | 8.6 | |
| 14 |
| Stiffness to Weight: Bending, points | 21 | |
| 32 |
| Strength to Weight: Axial, points | 15 to 18 | |
| 46 to 69 |
| Strength to Weight: Bending, points | 16 to 18 | |
| 38 to 50 |
| Thermal Shock Resistance, points | 13 to 15 | |
| 66 to 100 |
Alloy Composition
Deprecated: Automatic conversion of false to array is deprecated in /home/public/compare.php on line 452
| Aluminum (Al), % | 0.25 to 3.0 | |
| 2.5 to 3.5 |
| Carbon (C), % | 0 | |
| 0 to 0.050 |
| Copper (Cu), % | 55 to 61 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 0 to 1.0 | |
| 0 to 0.4 |
| Lead (Pb), % | 0.5 to 2.5 | |
| 0 |
| Manganese (Mn), % | 17 to 23 | |
| 0 |
| Molybdenum (Mo), % | 0 | |
| 14 to 16 |
| Nickel (Ni), % | 0 to 5.0 | |
| 0 |
| Niobium (Nb), % | 0 | |
| 2.2 to 3.2 |
| Nitrogen (N), % | 0 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 | |
| 0 to 0.17 |
| Silicon (Si), % | 0 | |
| 0.15 to 0.25 |
| Titanium (Ti), % | 0 | |
| 76 to 81.2 |
| Zinc (Zn), % | 17 to 23 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 to 0.4 |