C21000 Brass vs. C41500 Brass
Both C21000 brass and C41500 brass are copper alloys. They have a very high 96% of their average alloy composition in common.
For each property being compared, the top bar is C21000 brass and the bottom bar is C41500 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Elongation at Break, % | 2.9 to 50 | |
| 2.0 to 42 |
| Poisson's Ratio | 0.34 | |
| 0.33 |
| Rockwell B Hardness | 36 to 73 | |
| 62 to 90 |
| Rockwell Superficial 30T Hardness | 44 to 68 | |
| 36 to 75 |
| Shear Modulus, GPa | 43 | |
| 42 |
| Shear Strength, MPa | 180 to 280 | |
| 220 to 360 |
| Tensile Strength: Ultimate (UTS), MPa | 240 to 450 | |
| 340 to 560 |
| Tensile Strength: Yield (Proof), MPa | 69 to 440 | |
| 190 to 550 |
Thermal Properties
| Latent Heat of Fusion, J/g | 200 | |
| 200 |
| Maximum Temperature: Mechanical, °C | 190 | |
| 180 |
| Melting Completion (Liquidus), °C | 1070 | |
| 1030 |
| Melting Onset (Solidus), °C | 1050 | |
| 1010 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 380 |
| Thermal Conductivity, W/m-K | 230 | |
| 120 |
| Thermal Expansion, µm/m-K | 18 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 56 | |
| 28 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 57 | |
| 29 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 30 | |
| 30 |
| Density, g/cm3 | 8.8 | |
| 8.7 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 2.8 |
| Embodied Energy, MJ/kg | 42 | |
| 45 |
| Embodied Water, L/kg | 310 | |
| 330 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 13 to 100 | |
| 11 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 21 to 830 | |
| 160 to 1340 |
| Stiffness to Weight: Axial, points | 7.2 | |
| 7.1 |
| Stiffness to Weight: Bending, points | 18 | |
| 18 |
| Strength to Weight: Axial, points | 7.4 to 14 | |
| 11 to 18 |
| Strength to Weight: Bending, points | 9.6 to 15 | |
| 12 to 17 |
| Thermal Diffusivity, mm2/s | 69 | |
| 37 |
| Thermal Shock Resistance, points | 8.1 to 15 | |
| 12 to 20 |
Alloy Composition
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| Copper (Cu), % | 94 to 96 | |
| 89 to 93 |
| Iron (Fe), % | 0 to 0.050 | |
| 0 to 0.050 |
| Lead (Pb), % | 0 to 0.030 | |
| 0 to 0.1 |
| Tin (Sn), % | 0 | |
| 1.5 to 2.2 |
| Zinc (Zn), % | 3.7 to 6.0 | |
| 4.2 to 9.5 |
| Residuals, % | 0 to 0.2 | |
| 0 to 0.5 |