C68800 Brass vs. ASTM B817 Type I
C68800 brass belongs to the copper alloys classification, while ASTM B817 type I belongs to the titanium alloys. There are 28 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 C68800 brass and the bottom bar is ASTM B817 type I.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 100 |
| Elongation at Break, % | 2.0 to 36 | |
| 4.0 to 13 |
| Poisson's Ratio | 0.32 | |
| 0.32 |
| Shear Modulus, GPa | 41 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 570 to 890 | |
| 770 to 960 |
| Tensile Strength: Yield (Proof), MPa | 390 to 790 | |
| 700 to 860 |
Thermal Properties
| Latent Heat of Fusion, J/g | 190 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 160 | |
| 340 |
| Melting Completion (Liquidus), °C | 960 | |
| 1600 |
| Melting Onset (Solidus), °C | 950 | |
| 1550 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 560 |
| Thermal Conductivity, W/m-K | 40 | |
| 7.1 |
| Thermal Expansion, µm/m-K | 19 | |
| 9.6 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 18 | |
| 1.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 20 | |
| 2.0 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 26 | |
| 36 |
| Density, g/cm3 | 8.2 | |
| 4.4 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 38 |
| Embodied Energy, MJ/kg | 48 | |
| 610 |
| Embodied Water, L/kg | 350 | |
| 200 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 16 to 180 | |
| 30 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 710 to 2860 | |
| 2310 to 3540 |
| Stiffness to Weight: Axial, points | 7.3 | |
| 13 |
| Stiffness to Weight: Bending, points | 19 | |
| 35 |
| Strength to Weight: Axial, points | 19 to 30 | |
| 48 to 60 |
| Strength to Weight: Bending, points | 19 to 25 | |
| 42 to 49 |
| Thermal Diffusivity, mm2/s | 12 | |
| 2.9 |
| Thermal Shock Resistance, points | 19 to 30 | |
| 54 to 68 |
Alloy Composition
| Aluminum (Al), % | 3.0 to 3.8 | |
| 5.5 to 6.8 |
| Carbon (C), % | 0 | |
| 0 to 0.1 |
| Chlorine (Cl), % | 0 | |
| 0 to 0.2 |
| Cobalt (Co), % | 0.25 to 0.55 | |
| 0 |
| Copper (Cu), % | 70.8 to 75.5 | |
| 0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 0 to 0.2 | |
| 0 to 0.4 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.040 |
| Oxygen (O), % | 0 | |
| 0 to 0.3 |
| Silicon (Si), % | 0 | |
| 0 to 0.1 |
| Sodium (Na), % | 0 | |
| 0 to 0.2 |
| Titanium (Ti), % | 0 | |
| 87 to 91 |
| Vanadium (V), % | 0 | |
| 3.5 to 4.5 |
| Zinc (Zn), % | 21.3 to 24.1 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.4 |