EN 1.4945 Stainless Steel vs. C14700 Copper
EN 1.4945 stainless steel belongs to the iron alloys classification, while C14700 copper belongs to the copper 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 EN 1.4945 stainless steel and the bottom bar is C14700 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 120 |
| Elongation at Break, % | 19 to 34 | |
| 9.1 to 35 |
| Poisson's Ratio | 0.28 | |
| 0.34 |
| Shear Modulus, GPa | 77 | |
| 43 |
| Shear Strength, MPa | 430 to 460 | |
| 160 to 190 |
| Tensile Strength: Ultimate (UTS), MPa | 640 to 740 | |
| 240 to 320 |
| Tensile Strength: Yield (Proof), MPa | 290 to 550 | |
| 85 to 250 |
Thermal Properties
| Latent Heat of Fusion, J/g | 290 | |
| 210 |
| Maximum Temperature: Mechanical, °C | 920 | |
| 200 |
| Melting Completion (Liquidus), °C | 1490 | |
| 1080 |
| Melting Onset (Solidus), °C | 1440 | |
| 1070 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 390 |
| Thermal Conductivity, W/m-K | 14 | |
| 370 |
| Thermal Expansion, µm/m-K | 17 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.9 | |
| 95 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.2 | |
| 96 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 30 | |
| 30 |
| Density, g/cm3 | 8.1 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 5.0 | |
| 2.6 |
| Embodied Energy, MJ/kg | 73 | |
| 41 |
| Embodied Water, L/kg | 150 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 130 to 180 | |
| 25 to 65 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 210 to 760 | |
| 31 to 280 |
| Stiffness to Weight: Axial, points | 14 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 24 | |
| 18 |
| Strength to Weight: Axial, points | 22 to 25 | |
| 7.3 to 10 |
| Strength to Weight: Bending, points | 20 to 22 | |
| 9.5 to 12 |
| Thermal Diffusivity, mm2/s | 3.7 | |
| 110 |
| Thermal Shock Resistance, points | 14 to 16 | |
| 8.4 to 12 |
Alloy Composition
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| Carbon (C), % | 0.040 to 0.1 | |
| 0 |
| Chromium (Cr), % | 15.5 to 17.5 | |
| 0 |
| Copper (Cu), % | 0 | |
| 99.395 to 99.798 |
| Iron (Fe), % | 57.9 to 65.7 | |
| 0 |
| Manganese (Mn), % | 0 to 1.5 | |
| 0 |
| Nickel (Ni), % | 15.5 to 17.5 | |
| 0 |
| Niobium (Nb), % | 0.4 to 1.2 | |
| 0 |
| Nitrogen (N), % | 0.060 to 0.14 | |
| 0 |
| Phosphorus (P), % | 0 to 0.035 | |
| 0.0020 to 0.0050 |
| Silicon (Si), % | 0.3 to 0.6 | |
| 0 |
| Sulfur (S), % | 0 to 0.015 | |
| 0.2 to 0.5 |
| Tungsten (W), % | 2.5 to 3.5 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.1 |