C84400 Valve Metal vs. Nickel 625
C84400 valve metal belongs to the copper alloys classification, while nickel 625 belongs to the nickel alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is C84400 valve metal and the bottom bar is nickel 625.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 200 |
| Elongation at Break, % | 19 | |
| 33 to 34 |
| Poisson's Ratio | 0.34 | |
| 0.29 |
| Shear Modulus, GPa | 39 | |
| 79 |
| Tensile Strength: Ultimate (UTS), MPa | 230 | |
| 790 to 910 |
| Tensile Strength: Yield (Proof), MPa | 110 | |
| 320 to 450 |
Thermal Properties
| Latent Heat of Fusion, J/g | 180 | |
| 330 |
| Maximum Temperature: Mechanical, °C | 160 | |
| 980 |
| Melting Completion (Liquidus), °C | 1000 | |
| 1350 |
| Melting Onset (Solidus), °C | 840 | |
| 1290 |
| Specific Heat Capacity, J/kg-K | 370 | |
| 440 |
| Thermal Conductivity, W/m-K | 72 | |
| 11 |
| Thermal Expansion, µm/m-K | 19 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 16 | |
| 1.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 17 | |
| 1.4 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 29 | |
| 80 |
| Density, g/cm3 | 8.8 | |
| 8.6 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 14 |
| Embodied Energy, MJ/kg | 46 | |
| 190 |
| Embodied Water, L/kg | 340 | |
| 290 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 36 | |
| 220 to 250 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 58 | |
| 260 to 490 |
| Stiffness to Weight: Axial, points | 6.6 | |
| 13 |
| Stiffness to Weight: Bending, points | 18 | |
| 23 |
| Strength to Weight: Axial, points | 7.2 | |
| 26 to 29 |
| Strength to Weight: Bending, points | 9.4 | |
| 22 to 24 |
| Thermal Diffusivity, mm2/s | 22 | |
| 2.9 |
| Thermal Shock Resistance, points | 8.3 | |
| 22 to 25 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.0050 | |
| 0 to 0.4 |
| Antimony (Sb), % | 0 to 0.25 | |
| 0 |
| Carbon (C), % | 0 | |
| 0 to 0.1 |
| Chromium (Cr), % | 0 | |
| 20 to 23 |
| Cobalt (Co), % | 0 | |
| 0 to 1.0 |
| Copper (Cu), % | 78 to 82 | |
| 0 |
| Iron (Fe), % | 0 to 0.4 | |
| 0 to 5.0 |
| Lead (Pb), % | 6.0 to 8.0 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 0 to 0.5 |
| Molybdenum (Mo), % | 0 | |
| 8.0 to 10 |
| Nickel (Ni), % | 0 to 1.0 | |
| 58 to 68.9 |
| Niobium (Nb), % | 0 | |
| 3.2 to 4.2 |
| Phosphorus (P), % | 0 to 1.5 | |
| 0 to 0.015 |
| Silicon (Si), % | 0 to 0.0050 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 to 0.080 | |
| 0 to 0.015 |
| Tin (Sn), % | 2.3 to 3.5 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 0 to 0.4 |
| Zinc (Zn), % | 7.0 to 10 | |
| 0 |
| Residuals, % | 0 to 0.7 | |
| 0 |