C66900 Brass vs. C37100 Brass
Both C66900 brass and C37100 brass are copper alloys. They have 84% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is C66900 brass and the bottom bar is C37100 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 100 |
| Elongation at Break, % | 1.1 to 26 | |
| 8.0 to 40 |
| Poisson's Ratio | 0.32 | |
| 0.31 |
| Rockwell Superficial 30T Hardness | 60 to 88 | |
| 43 to 71 |
| Shear Modulus, GPa | 45 | |
| 40 |
| Shear Strength, MPa | 290 to 440 | |
| 260 to 300 |
| Tensile Strength: Ultimate (UTS), MPa | 460 to 770 | |
| 370 to 520 |
| Tensile Strength: Yield (Proof), MPa | 330 to 760 | |
| 150 to 390 |
Thermal Properties
| Latent Heat of Fusion, J/g | 190 | |
| 170 |
| Maximum Temperature: Mechanical, °C | 150 | |
| 120 |
| Melting Completion (Liquidus), °C | 860 | |
| 900 |
| Melting Onset (Solidus), °C | 850 | |
| 890 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 380 |
| Thermal Expansion, µm/m-K | 20 | |
| 21 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.4 | |
| 27 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.8 | |
| 30 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 23 | |
| 23 |
| Density, g/cm3 | 8.2 | |
| 8.0 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 2.7 |
| Embodied Energy, MJ/kg | 46 | |
| 45 |
| Embodied Water, L/kg | 310 | |
| 320 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 4.6 to 200 | |
| 38 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 460 to 2450 | |
| 110 to 750 |
| Stiffness to Weight: Axial, points | 8.1 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 20 | |
| 20 |
| Strength to Weight: Axial, points | 15 to 26 | |
| 13 to 18 |
| Strength to Weight: Bending, points | 16 to 23 | |
| 14 to 18 |
| Thermal Shock Resistance, points | 14 to 23 | |
| 12 to 17 |
Alloy Composition
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| Copper (Cu), % | 62.5 to 64.5 | |
| 58 to 62 |
| Iron (Fe), % | 0 to 0.25 | |
| 0 to 0.15 |
| Lead (Pb), % | 0 to 0.050 | |
| 0.6 to 1.2 |
| Manganese (Mn), % | 11.5 to 12.5 | |
| 0 |
| Zinc (Zn), % | 22.5 to 26 | |
| 36.3 to 41.4 |
| Residuals, % | 0 to 0.2 | |
| 0 to 0.4 |