HR04 C66200 Brass vs. HR04 C66300 Brass
Both HR04 C66200 brass and HR04 C66300 brass are copper alloys. Both are furnished in the HR04 (full-hard and stress relieved) temper. They have a very high 96% of their average alloy composition in common.
For each property being compared, the top bar is HR04 C66200 brass and the bottom bar is HR04 C66300 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Elongation at Break, % | 8.0 | |
| 10 |
| Poisson's Ratio | 0.33 | |
| 0.33 |
| Shear Modulus, GPa | 42 | |
| 42 |
| Shear Strength, MPa | 300 | |
| 350 |
| Tensile Strength: Ultimate (UTS), MPa | 520 | |
| 580 |
| Tensile Strength: Yield (Proof), MPa | 480 | |
| 550 |
Thermal Properties
| Latent Heat of Fusion, J/g | 200 | |
| 200 |
| Maximum Temperature: Mechanical, °C | 180 | |
| 180 |
| Melting Completion (Liquidus), °C | 1070 | |
| 1050 |
| Melting Onset (Solidus), °C | 1030 | |
| 1000 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 380 |
| Thermal Conductivity, W/m-K | 150 | |
| 110 |
| Thermal Expansion, µm/m-K | 18 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 35 | |
| 25 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 36 | |
| 26 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 29 | |
| 29 |
| Density, g/cm3 | 8.7 | |
| 8.6 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 2.8 |
| Embodied Energy, MJ/kg | 43 | |
| 46 |
| Embodied Water, L/kg | 320 | |
| 320 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 40 | |
| 58 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1030 | |
| 1350 |
| Stiffness to Weight: Axial, points | 7.2 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 19 | |
| 19 |
| Strength to Weight: Axial, points | 17 | |
| 19 |
| Strength to Weight: Bending, points | 16 | |
| 18 |
| Thermal Diffusivity, mm2/s | 45 | |
| 32 |
| Thermal Shock Resistance, points | 18 | |
| 20 |
Alloy Composition
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| Cobalt (Co), % | 0 | |
| 0 to 0.2 |
| Copper (Cu), % | 86.6 to 91 | |
| 84.5 to 87.5 |
| Iron (Fe), % | 0 to 0.050 | |
| 1.4 to 2.4 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 to 0.050 |
| Nickel (Ni), % | 0.3 to 1.0 | |
| 0 |
| Phosphorus (P), % | 0.050 to 0.2 | |
| 0 to 0.35 |
| Tin (Sn), % | 0.2 to 0.7 | |
| 1.5 to 3.0 |
| Zinc (Zn), % | 6.5 to 12.9 | |
| 6.0 to 12.8 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |