H06 C27200 Brass vs. H06 C28000 Muntz Metal
Both H06 C27200 brass and H06 C28000 Muntz Metal are copper alloys. Both are furnished in the H06 (extra hard) temper. They have a very high 98% of their average alloy composition in common.
For each property being compared, the top bar is H06 C27200 brass and the bottom bar is H06 C28000 Muntz Metal.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 100 |
| Poisson's Ratio | 0.31 | |
| 0.31 |
| Rockwell B Hardness | 86 | |
| 78 |
| Shear Modulus, GPa | 40 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 590 | |
| 610 |
Thermal Properties
| Latent Heat of Fusion, J/g | 170 | |
| 170 |
| Maximum Temperature: Mechanical, °C | 130 | |
| 120 |
| Melting Completion (Liquidus), °C | 920 | |
| 900 |
| Melting Onset (Solidus), °C | 870 | |
| 900 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 390 |
| Thermal Conductivity, W/m-K | 120 | |
| 120 |
| Thermal Expansion, µm/m-K | 20 | |
| 21 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 28 | |
| 28 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 31 | |
| 31 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 24 | |
| 23 |
| Density, g/cm3 | 8.1 | |
| 8.0 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 2.7 |
| Embodied Energy, MJ/kg | 45 | |
| 46 |
| Embodied Water, L/kg | 320 | |
| 320 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 30 to 270 | |
| 27 to 240 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 110 to 810 | |
| 110 to 670 |
| Stiffness to Weight: Axial, points | 7.2 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 19 | |
| 20 |
| Strength to Weight: Axial, points | 20 | |
| 21 |
| Strength to Weight: Bending, points | 19 | |
| 20 |
| Thermal Diffusivity, mm2/s | 37 | |
| 40 |
| Thermal Shock Resistance, points | 20 | |
| 20 |
Alloy Composition
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| Copper (Cu), % | 62 to 65 | |
| 59 to 63 |
| Iron (Fe), % | 0 to 0.070 | |
| 0 to 0.070 |
| Lead (Pb), % | 0 to 0.070 | |
| 0 to 0.3 |
| Zinc (Zn), % | 34.6 to 38 | |
| 36.3 to 41 |
| Residuals, % | 0 to 0.3 | |
| 0 to 0.3 |