C19400 Copper vs. C37100 Brass
Both C19400 copper and C37100 brass are copper alloys. They have 60% of their average alloy composition in common.
For each property being compared, the top bar is C19400 copper and the bottom bar is C37100 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 100 |
| Elongation at Break, % | 2.3 to 37 | |
| 8.0 to 40 |
| Poisson's Ratio | 0.34 | |
| 0.31 |
| Rockwell Superficial 30T Hardness | 59 to 78 | |
| 43 to 71 |
| Shear Modulus, GPa | 44 | |
| 40 |
| Shear Strength, MPa | 210 to 300 | |
| 260 to 300 |
| Tensile Strength: Ultimate (UTS), MPa | 310 to 630 | |
| 370 to 520 |
| Tensile Strength: Yield (Proof), MPa | 98 to 520 | |
| 150 to 390 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 170 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 120 |
| Melting Completion (Liquidus), °C | 1090 | |
| 900 |
| Melting Onset (Solidus), °C | 1080 | |
| 890 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 380 |
| Thermal Conductivity, W/m-K | 260 | |
| 120 |
| Thermal Expansion, µm/m-K | 17 | |
| 21 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 58 to 68 | |
| 27 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 58 to 69 | |
| 30 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 30 | |
| 23 |
| Density, g/cm3 | 8.9 | |
| 8.0 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 2.7 |
| Embodied Energy, MJ/kg | 40 | |
| 45 |
| Embodied Water, L/kg | 300 | |
| 320 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 5.5 to 220 | |
| 38 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 41 to 1140 | |
| 110 to 750 |
| Stiffness to Weight: Axial, points | 7.3 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 18 | |
| 20 |
| Strength to Weight: Axial, points | 9.7 to 20 | |
| 13 to 18 |
| Strength to Weight: Bending, points | 11 to 18 | |
| 14 to 18 |
| Thermal Diffusivity, mm2/s | 75 | |
| 39 |
| Thermal Shock Resistance, points | 11 to 22 | |
| 12 to 17 |
Alloy Composition
| Copper (Cu), % | 96.8 to 97.8 | |
| 58 to 62 |
| Iron (Fe), % | 2.1 to 2.6 | |
| 0 to 0.15 |
| Lead (Pb), % | 0 to 0.030 | |
| 0.6 to 1.2 |
| Phosphorus (P), % | 0.015 to 0.15 | |
| 0 |
| Zinc (Zn), % | 0.050 to 0.2 | |
| 36.3 to 41.4 |
| Residuals, % | 0 | |
| 0 to 0.4 |