C18400 Copper vs. EN 1.4594 Stainless Steel
C18400 copper belongs to the copper alloys classification, while EN 1.4594 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is C18400 copper and the bottom bar is EN 1.4594 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 200 |
| Elongation at Break, % | 13 to 50 | |
| 11 to 17 |
| Poisson's Ratio | 0.34 | |
| 0.28 |
| Shear Modulus, GPa | 44 | |
| 76 |
| Shear Strength, MPa | 190 to 310 | |
| 620 to 700 |
| Tensile Strength: Ultimate (UTS), MPa | 270 to 490 | |
| 1020 to 1170 |
| Tensile Strength: Yield (Proof), MPa | 110 to 480 | |
| 810 to 1140 |
Thermal Properties
| Latent Heat of Fusion, J/g | 210 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 820 |
| Melting Completion (Liquidus), °C | 1080 | |
| 1450 |
| Melting Onset (Solidus), °C | 1070 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 470 |
| Thermal Conductivity, W/m-K | 320 | |
| 16 |
| Thermal Expansion, µm/m-K | 17 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 80 | |
| 2.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 81 | |
| 2.5 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 31 | |
| 15 |
| Density, g/cm3 | 8.9 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 3.2 |
| Embodied Energy, MJ/kg | 41 | |
| 45 |
| Embodied Water, L/kg | 310 | |
| 130 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 63 to 120 | |
| 110 to 190 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 54 to 980 | |
| 1660 to 3320 |
| Stiffness to Weight: Axial, points | 7.3 | |
| 14 |
| Stiffness to Weight: Bending, points | 18 | |
| 25 |
| Strength to Weight: Axial, points | 8.5 to 15 | |
| 36 to 41 |
| Strength to Weight: Bending, points | 10 to 16 | |
| 29 to 31 |
| Thermal Diffusivity, mm2/s | 94 | |
| 4.4 |
| Thermal Shock Resistance, points | 9.6 to 17 | |
| 34 to 39 |
Alloy Composition
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| Arsenic (As), % | 0 to 0.0050 | |
| 0 |
| Calcium (Ca), % | 0 to 0.0050 | |
| 0 |
| Carbon (C), % | 0 | |
| 0 to 0.070 |
| Chromium (Cr), % | 0.4 to 1.2 | |
| 13 to 15 |
| Copper (Cu), % | 97.2 to 99.6 | |
| 1.2 to 2.0 |
| Iron (Fe), % | 0 to 0.15 | |
| 72.6 to 79.5 |
| Lithium (Li), % | 0 to 0.050 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 0 | |
| 1.2 to 2.0 |
| Nickel (Ni), % | 0 | |
| 5.0 to 6.0 |
| Niobium (Nb), % | 0 | |
| 0.15 to 0.6 |
| Phosphorus (P), % | 0 to 0.050 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 to 0.7 |
| Sulfur (S), % | 0 | |
| 0 to 0.015 |
| Zinc (Zn), % | 0 to 0.7 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 |