ASTM B817 Type I vs. C99400 Brass
ASTM B817 type I belongs to the titanium alloys classification, while C99400 brass belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.
For each property being compared, the top bar is ASTM B817 type I and the bottom bar is C99400 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 120 |
| Poisson's Ratio | 0.32 | |
| 0.34 |
| Shear Modulus, GPa | 40 | |
| 44 |
| Tensile Strength: Ultimate (UTS), MPa | 770 to 960 | |
| 460 to 550 |
| Tensile Strength: Yield (Proof), MPa | 700 to 860 | |
| 230 to 370 |
Thermal Properties
| Latent Heat of Fusion, J/g | 410 | |
| 230 |
| Maximum Temperature: Mechanical, °C | 340 | |
| 200 |
| Melting Completion (Liquidus), °C | 1600 | |
| 1070 |
| Melting Onset (Solidus), °C | 1550 | |
| 1020 |
| Specific Heat Capacity, J/kg-K | 560 | |
| 400 |
| Thermal Expansion, µm/m-K | 9.6 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 1.0 | |
| 17 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.0 | |
| 17 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 36 | |
| 30 |
| Density, g/cm3 | 4.4 | |
| 8.7 |
| Embodied Carbon, kg CO2/kg material | 38 | |
| 2.8 |
| Embodied Energy, MJ/kg | 610 | |
| 45 |
| Embodied Water, L/kg | 200 | |
| 310 |
Common Calculations
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 2310 to 3540 | |
| 230 to 590 |
| Stiffness to Weight: Axial, points | 13 | |
| 7.5 |
| Stiffness to Weight: Bending, points | 35 | |
| 19 |
| Strength to Weight: Axial, points | 48 to 60 | |
| 15 to 17 |
| Strength to Weight: Bending, points | 42 to 49 | |
| 15 to 17 |
| Thermal Shock Resistance, points | 54 to 68 | |
| 16 to 19 |
Alloy Composition
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| Aluminum (Al), % | 5.5 to 6.8 | |
| 0.5 to 2.0 |
| Carbon (C), % | 0 to 0.1 | |
| 0 |
| Chlorine (Cl), % | 0 to 0.2 | |
| 0 |
| Copper (Cu), % | 0 | |
| 83.5 to 96.5 |
| Hydrogen (H), % | 0 to 0.015 | |
| 0 |
| Iron (Fe), % | 0 to 0.4 | |
| 1.0 to 3.0 |
| Lead (Pb), % | 0 | |
| 0 to 0.25 |
| Manganese (Mn), % | 0 | |
| 0 to 0.5 |
| Nickel (Ni), % | 0 | |
| 1.0 to 3.5 |
| Nitrogen (N), % | 0 to 0.040 | |
| 0 |
| Oxygen (O), % | 0 to 0.3 | |
| 0 |
| Silicon (Si), % | 0 to 0.1 | |
| 0.5 to 2.0 |
| Sodium (Na), % | 0 to 0.2 | |
| 0 |
| Titanium (Ti), % | 87 to 91 | |
| 0 |
| Vanadium (V), % | 3.5 to 4.5 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0.5 to 5.0 |
| Residuals, % | 0 to 0.4 | |
| 0 to 0.3 |