EN 1.7767 Steel vs. C84400 Valve Metal
EN 1.7767 steel belongs to the iron alloys classification, while C84400 valve metal belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is EN 1.7767 steel and the bottom bar is C84400 valve metal.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 100 |
| Elongation at Break, % | 20 | |
| 19 |
| Poisson's Ratio | 0.29 | |
| 0.34 |
| Shear Modulus, GPa | 74 | |
| 39 |
| Tensile Strength: Ultimate (UTS), MPa | 670 to 690 | |
| 230 |
| Tensile Strength: Yield (Proof), MPa | 460 to 500 | |
| 110 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 180 |
| Maximum Temperature: Mechanical, °C | 480 | |
| 160 |
| Melting Completion (Liquidus), °C | 1470 | |
| 1000 |
| Melting Onset (Solidus), °C | 1430 | |
| 840 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 370 |
| Thermal Conductivity, W/m-K | 40 | |
| 72 |
| Thermal Expansion, µm/m-K | 13 | |
| 19 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.7 | |
| 16 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.9 | |
| 17 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 4.5 | |
| 29 |
| Density, g/cm3 | 7.9 | |
| 8.8 |
| Embodied Carbon, kg CO2/kg material | 2.4 | |
| 2.8 |
| Embodied Energy, MJ/kg | 33 | |
| 46 |
| Embodied Water, L/kg | 64 | |
| 340 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 120 to 130 | |
| 36 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 570 to 650 | |
| 58 |
| Stiffness to Weight: Axial, points | 13 | |
| 6.6 |
| Stiffness to Weight: Bending, points | 24 | |
| 18 |
| Strength to Weight: Axial, points | 24 | |
| 7.2 |
| Strength to Weight: Bending, points | 22 | |
| 9.4 |
| Thermal Diffusivity, mm2/s | 11 | |
| 22 |
| Thermal Shock Resistance, points | 19 to 20 | |
| 8.3 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 0 to 0.0050 |
| Antimony (Sb), % | 0 | |
| 0 to 0.25 |
| Carbon (C), % | 0.1 to 0.15 | |
| 0 |
| Chromium (Cr), % | 2.8 to 3.3 | |
| 0 |
| Copper (Cu), % | 0 to 0.25 | |
| 78 to 82 |
| Iron (Fe), % | 93.8 to 95.8 | |
| 0 to 0.4 |
| Lead (Pb), % | 0 | |
| 6.0 to 8.0 |
| Manganese (Mn), % | 0.3 to 0.6 | |
| 0 |
| Molybdenum (Mo), % | 0.9 to 1.1 | |
| 0 |
| Nickel (Ni), % | 0 to 0.25 | |
| 0 to 1.0 |
| Niobium (Nb), % | 0 to 0.070 | |
| 0 |
| Nitrogen (N), % | 0 to 0.012 | |
| 0 |
| Phosphorus (P), % | 0 to 0.015 | |
| 0 to 1.5 |
| Silicon (Si), % | 0 to 0.15 | |
| 0 to 0.0050 |
| Sulfur (S), % | 0 to 0.0050 | |
| 0 to 0.080 |
| Tin (Sn), % | 0 | |
| 2.3 to 3.5 |
| Titanium (Ti), % | 0 to 0.030 | |
| 0 |
| Vanadium (V), % | 0.2 to 0.3 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 7.0 to 10 |
| Residuals, % | 0 | |
| 0 to 0.7 |