HR04 C19000 Copper vs. HR04 C66300 Brass
Both HR04 C19000 copper and HR04 C66300 brass are copper alloys. Both are furnished in the HR04 (full-hard and stress relieved) temper. They have 87% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is HR04 C19000 copper and the bottom bar is HR04 C66300 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 110 |
| Elongation at Break, % | 7.7 | |
| 10 |
| Poisson's Ratio | 0.34 | |
| 0.33 |
| Shear Modulus, GPa | 43 | |
| 42 |
| Shear Strength, MPa | 310 | |
| 350 |
| Tensile Strength: Ultimate (UTS), MPa | 610 | |
| 580 |
| Tensile Strength: Yield (Proof), MPa | 560 | |
| 550 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 200 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 180 |
| Melting Completion (Liquidus), °C | 1080 | |
| 1050 |
| Melting Onset (Solidus), °C | 1040 | |
| 1000 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 380 |
| Thermal Conductivity, W/m-K | 250 | |
| 110 |
| Thermal Expansion, µm/m-K | 17 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 60 | |
| 25 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 61 | |
| 26 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 31 | |
| 29 |
| Density, g/cm3 | 8.9 | |
| 8.6 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 2.8 |
| Embodied Energy, MJ/kg | 42 | |
| 46 |
| Embodied Water, L/kg | 310 | |
| 320 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 45 | |
| 58 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1340 | |
| 1350 |
| Stiffness to Weight: Axial, points | 7.2 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 18 | |
| 19 |
| Strength to Weight: Axial, points | 19 | |
| 19 |
| Strength to Weight: Bending, points | 18 | |
| 18 |
| Thermal Diffusivity, mm2/s | 73 | |
| 32 |
| Thermal Shock Resistance, points | 22 | |
| 20 |
Alloy Composition
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| Cobalt (Co), % | 0 | |
| 0 to 0.2 |
| Copper (Cu), % | 96.9 to 99 | |
| 84.5 to 87.5 |
| Iron (Fe), % | 0 to 0.1 | |
| 1.4 to 2.4 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 to 0.050 |
| Nickel (Ni), % | 0.9 to 1.3 | |
| 0 |
| Phosphorus (P), % | 0.15 to 0.35 | |
| 0 to 0.35 |
| Tin (Sn), % | 0 | |
| 1.5 to 3.0 |
| Zinc (Zn), % | 0 to 0.8 | |
| 6.0 to 12.8 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |