C49300 Brass vs. C69430 Brass
Both C49300 brass and C69430 brass are copper alloys. They have 74% of their average alloy composition in common.
For each property being compared, the top bar is C49300 brass and the bottom bar is C69430 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 110 |
| Elongation at Break, % | 4.5 to 20 | |
| 17 |
| Poisson's Ratio | 0.31 | |
| 0.33 |
| Shear Modulus, GPa | 40 | |
| 42 |
| Shear Strength, MPa | 270 to 290 | |
| 350 |
| Tensile Strength: Ultimate (UTS), MPa | 430 to 520 | |
| 570 |
| Tensile Strength: Yield (Proof), MPa | 210 to 410 | |
| 280 |
Thermal Properties
| Latent Heat of Fusion, J/g | 170 | |
| 260 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 170 |
| Melting Completion (Liquidus), °C | 880 | |
| 920 |
| Melting Onset (Solidus), °C | 840 | |
| 820 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 410 |
| Thermal Conductivity, W/m-K | 88 | |
| 26 |
| Thermal Expansion, µm/m-K | 20 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 15 | |
| 6.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 17 | |
| 6.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 26 | |
| 27 |
| Density, g/cm3 | 8.0 | |
| 8.3 |
| Embodied Carbon, kg CO2/kg material | 3.0 | |
| 2.7 |
| Embodied Energy, MJ/kg | 50 | |
| 44 |
| Embodied Water, L/kg | 370 | |
| 300 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 21 to 71 | |
| 80 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 220 to 800 | |
| 340 |
| Stiffness to Weight: Axial, points | 7.2 | |
| 7.4 |
| Stiffness to Weight: Bending, points | 19 | |
| 19 |
| Strength to Weight: Axial, points | 15 to 18 | |
| 19 |
| Strength to Weight: Bending, points | 16 to 18 | |
| 18 |
| Thermal Diffusivity, mm2/s | 29 | |
| 7.7 |
| Thermal Shock Resistance, points | 14 to 18 | |
| 20 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.5 | |
| 0 |
| Antimony (Sb), % | 0 to 0.5 | |
| 0 |
| Arsenic (As), % | 0 | |
| 0.030 to 0.060 |
| Bismuth (Bi), % | 0.5 to 2.0 | |
| 0 |
| Copper (Cu), % | 58 to 62 | |
| 80 to 83 |
| Iron (Fe), % | 0 to 0.1 | |
| 0 to 0.2 |
| Lead (Pb), % | 0 to 0.010 | |
| 0 to 0.3 |
| Manganese (Mn), % | 0 to 0.030 | |
| 0 |
| Nickel (Ni), % | 0 to 1.5 | |
| 0 |
| Phosphorus (P), % | 0 to 0.2 | |
| 0 |
| Selenium (Se), % | 0 to 0.2 | |
| 0 |
| Silicon (Si), % | 0 to 0.1 | |
| 3.5 to 4.5 |
| Tin (Sn), % | 1.0 to 1.8 | |
| 0 |
| Zinc (Zn), % | 30.6 to 40.5 | |
| 11.4 to 16.5 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |