EN 1.4874 Stainless Steel vs. C71640 Copper-nickel
EN 1.4874 stainless steel belongs to the iron alloys classification, while C71640 copper-nickel belongs to the copper alloys. They have a modest 23% of their average alloy composition in common, which, by itself, doesn't mean much. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is EN 1.4874 stainless steel and the bottom bar is C71640 copper-nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 210 | |
| 140 |
| Poisson's Ratio | 0.29 | |
| 0.33 |
| Shear Modulus, GPa | 80 | |
| 52 |
| Tensile Strength: Ultimate (UTS), MPa | 480 | |
| 490 to 630 |
| Tensile Strength: Yield (Proof), MPa | 360 | |
| 190 to 460 |
Thermal Properties
| Latent Heat of Fusion, J/g | 300 | |
| 240 |
| Maximum Temperature: Mechanical, °C | 1150 | |
| 260 |
| Melting Completion (Liquidus), °C | 1450 | |
| 1180 |
| Melting Onset (Solidus), °C | 1400 | |
| 1120 |
| Specific Heat Capacity, J/kg-K | 450 | |
| 410 |
| Thermal Conductivity, W/m-K | 13 | |
| 29 |
| Thermal Expansion, µm/m-K | 15 | |
| 15 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 70 | |
| 40 |
| Density, g/cm3 | 8.4 | |
| 8.9 |
| Embodied Carbon, kg CO2/kg material | 7.6 | |
| 5.0 |
| Embodied Energy, MJ/kg | 110 | |
| 73 |
| Embodied Water, L/kg | 290 | |
| 280 |
Common Calculations
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 310 | |
| 130 to 750 |
| Stiffness to Weight: Axial, points | 14 | |
| 8.7 |
| Stiffness to Weight: Bending, points | 24 | |
| 20 |
| Strength to Weight: Axial, points | 16 | |
| 15 to 20 |
| Strength to Weight: Bending, points | 16 | |
| 16 to 18 |
| Thermal Diffusivity, mm2/s | 3.3 | |
| 8.2 |
| Thermal Shock Resistance, points | 11 | |
| 16 to 21 |
Alloy Composition
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| Carbon (C), % | 0.35 to 0.65 | |
| 0 |
| Chromium (Cr), % | 19 to 22 | |
| 0 |
| Cobalt (Co), % | 18.5 to 22 | |
| 0 |
| Copper (Cu), % | 0 | |
| 61.7 to 67.8 |
| Iron (Fe), % | 23 to 38.9 | |
| 1.7 to 2.3 |
| Lead (Pb), % | 0 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0 to 2.0 | |
| 1.5 to 2.5 |
| Molybdenum (Mo), % | 2.5 to 3.0 | |
| 0 |
| Nickel (Ni), % | 18 to 22 | |
| 29 to 32 |
| Niobium (Nb), % | 0.75 to 1.3 | |
| 0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 |
| Silicon (Si), % | 0 to 1.0 | |
| 0 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 |
| Tungsten (W), % | 2.0 to 3.0 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 0 to 1.0 |
| Residuals, % | 0 | |
| 0 to 0.5 |