C34500 Brass vs. C42600 Brass
Both C34500 brass and C42600 brass are copper alloys. They have 72% of their average alloy composition in common.
For each property being compared, the top bar is C34500 brass and the bottom bar is C42600 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 110 | 
| Elongation at Break, % | 12 to 28 | |
| 1.1 to 40 | 
| Poisson's Ratio | 0.31 | |
| 0.33 | 
| Shear Modulus, GPa | 40 | |
| 42 | 
| Shear Strength, MPa | 220 to 260 | |
| 280 to 470 | 
| Tensile Strength: Ultimate (UTS), MPa | 340 to 430 | |
| 410 to 830 | 
| Tensile Strength: Yield (Proof), MPa | 120 to 180 | |
| 220 to 810 | 
Thermal Properties
| Latent Heat of Fusion, J/g | 170 | |
| 200 | 
| Maximum Temperature: Mechanical, °C | 120 | |
| 180 | 
| Melting Completion (Liquidus), °C | 910 | |
| 1030 | 
| Melting Onset (Solidus), °C | 890 | |
| 1010 | 
| Specific Heat Capacity, J/kg-K | 380 | |
| 380 | 
| Thermal Conductivity, W/m-K | 120 | |
| 110 | 
| Thermal Expansion, µm/m-K | 21 | |
| 18 | 
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 26 | |
| 25 | 
| Electrical Conductivity: Equal Weight (Specific), % IACS | 29 | |
| 26 | 
Otherwise Unclassified Properties
| Base Metal Price, % relative | 24 | |
| 31 | 
| Density, g/cm3 | 8.2 | |
| 8.7 | 
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 2.9 | 
| Embodied Energy, MJ/kg | 45 | |
| 48 | 
| Embodied Water, L/kg | 320 | |
| 340 | 
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 42 to 75 | |
| 9.4 to 140 | 
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 69 to 160 | |
| 230 to 2970 | 
| Stiffness to Weight: Axial, points | 7.1 | |
| 7.1 | 
| Stiffness to Weight: Bending, points | 19 | |
| 18 | 
| Strength to Weight: Axial, points | 12 to 15 | |
| 13 to 27 | 
| Strength to Weight: Bending, points | 13 to 16 | |
| 14 to 23 | 
| Thermal Diffusivity, mm2/s | 37 | |
| 33 | 
| Thermal Shock Resistance, points | 11 to 14 | |
| 15 to 29 | 
Alloy Composition
| Copper (Cu), % | 62 to 65 | |
| 87 to 90 | 
| Iron (Fe), % | 0 to 0.15 | |
| 0.050 to 0.2 | 
| Lead (Pb), % | 1.5 to 2.5 | |
| 0 to 0.050 | 
| Nickel (Ni), % | 0 | |
| 0.050 to 0.2 | 
| Phosphorus (P), % | 0 | |
| 0.020 to 0.050 | 
| Tin (Sn), % | 0 | |
| 2.5 to 4.0 | 
| Zinc (Zn), % | 32 to 36.5 | |
| 5.3 to 10.4 | 
| Residuals, % | 0 | |
| 0 to 0.2 |