C68000 Brass vs. ASTM B817 Type II
C68000 brass belongs to the copper alloys classification, while ASTM B817 type II 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 C68000 brass and the bottom bar is ASTM B817 type II.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 100 |
| Elongation at Break, % | 27 | |
| 3.0 to 13 |
| Poisson's Ratio | 0.3 | |
| 0.32 |
| Shear Modulus, GPa | 40 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 390 | |
| 900 to 960 |
| Tensile Strength: Yield (Proof), MPa | 140 | |
| 780 to 900 |
Thermal Properties
| Latent Heat of Fusion, J/g | 170 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 350 |
| Melting Completion (Liquidus), °C | 880 | |
| 1580 |
| Melting Onset (Solidus), °C | 870 | |
| 1530 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 550 |
| Thermal Expansion, µm/m-K | 21 | |
| 9.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 23 | |
| 37 |
| Density, g/cm3 | 8.0 | |
| 4.6 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 40 |
| Embodied Energy, MJ/kg | 48 | |
| 650 |
| Embodied Water, L/kg | 330 | |
| 220 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 82 | |
| 26 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 95 | |
| 2890 to 3890 |
| Stiffness to Weight: Axial, points | 7.3 | |
| 13 |
| Stiffness to Weight: Bending, points | 20 | |
| 34 |
| Strength to Weight: Axial, points | 14 | |
| 55 to 58 |
| Strength to Weight: Bending, points | 15 | |
| 45 to 47 |
| Thermal Shock Resistance, points | 13 | |
| 62 to 66 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.010 | |
| 5.0 to 6.0 |
| Carbon (C), % | 0 | |
| 0 to 0.1 |
| Chlorine (Cl), % | 0 | |
| 0 to 0.2 |
| Copper (Cu), % | 56 to 60 | |
| 0.35 to 1.0 |
| Hydrogen (H), % | 0 | |
| 0 to 0.015 |
| Iron (Fe), % | 0.25 to 1.3 | |
| 0.35 to 1.0 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 |
| Manganese (Mn), % | 0.010 to 0.5 | |
| 0 |
| Nickel (Ni), % | 0.2 to 0.8 | |
| 0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.040 |
| Oxygen (O), % | 0 | |
| 0 to 0.3 |
| Silicon (Si), % | 0.040 to 0.15 | |
| 0 to 0.1 |
| Sodium (Na), % | 0 | |
| 0 to 0.2 |
| Tin (Sn), % | 0.75 to 1.1 | |
| 1.5 to 2.5 |
| Titanium (Ti), % | 0 | |
| 82.1 to 87.8 |
| Vanadium (V), % | 0 | |
| 5.0 to 6.0 |
| Zinc (Zn), % | 35.6 to 42.8 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.4 |