ACI-ASTM CH20 Steel vs. C74500 Nickel Silver
ACI-ASTM CH20 steel belongs to the iron alloys classification, while C74500 nickel silver belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is ACI-ASTM CH20 steel and the bottom bar is C74500 nickel silver.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 120 |
| Elongation at Break, % | 38 | |
| 3.0 to 24 |
| Poisson's Ratio | 0.27 | |
| 0.32 |
| Shear Modulus, GPa | 78 | |
| 44 |
| Tensile Strength: Ultimate (UTS), MPa | 610 | |
| 390 to 700 |
| Tensile Strength: Yield (Proof), MPa | 350 | |
| 380 to 600 |
Thermal Properties
| Latent Heat of Fusion, J/g | 310 | |
| 190 |
| Maximum Temperature: Mechanical, °C | 1100 | |
| 170 |
| Melting Completion (Liquidus), °C | 1410 | |
| 1020 |
| Melting Onset (Solidus), °C | 1430 | |
| 970 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 390 |
| Thermal Conductivity, W/m-K | 14 | |
| 45 |
| Thermal Expansion, µm/m-K | 15 | |
| 19 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.0 | |
| 9.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.3 | |
| 9.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 20 | |
| 29 |
| Density, g/cm3 | 7.8 | |
| 8.3 |
| Embodied Carbon, kg CO2/kg material | 3.7 | |
| 3.4 |
| Embodied Energy, MJ/kg | 53 | |
| 54 |
| Embodied Water, L/kg | 180 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 200 | |
| 12 to 160 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 300 | |
| 620 to 1540 |
| Stiffness to Weight: Axial, points | 14 | |
| 7.7 |
| Stiffness to Weight: Bending, points | 25 | |
| 19 |
| Strength to Weight: Axial, points | 22 | |
| 13 to 23 |
| Strength to Weight: Bending, points | 21 | |
| 14 to 21 |
| Thermal Diffusivity, mm2/s | 3.7 | |
| 14 |
| Thermal Shock Resistance, points | 15 | |
| 13 to 23 |
Alloy Composition
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| Carbon (C), % | 0 to 0.2 | |
| 0 |
| Chromium (Cr), % | 22 to 26 | |
| 0 |
| Copper (Cu), % | 0 | |
| 63.5 to 66.5 |
| Iron (Fe), % | 54.7 to 66 | |
| 0 to 0.25 |
| Lead (Pb), % | 0 | |
| 0 to 0.1 |
| Manganese (Mn), % | 0 to 1.5 | |
| 0 to 0.5 |
| Molybdenum (Mo), % | 0 to 0.5 | |
| 0 |
| Nickel (Ni), % | 12 to 15 | |
| 9.0 to 11 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 |
| Silicon (Si), % | 0 to 2.0 | |
| 0 |
| Sulfur (S), % | 0 to 0.040 | |
| 0 |
| Zinc (Zn), % | 0 | |
| 21.2 to 27.5 |
| Residuals, % | 0 | |
| 0 to 0.5 |