ACI-ASTM CK20 Steel vs. C77400 Nickel Silver
ACI-ASTM CK20 steel belongs to the iron alloys classification, while C77400 nickel silver belongs to the copper alloys. There are 26 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 ACI-ASTM CK20 steel and the bottom bar is C77400 nickel silver.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 110 |
| Elongation at Break, % | 37 | |
| 25 |
| Poisson's Ratio | 0.28 | |
| 0.3 |
| Shear Modulus, GPa | 78 | |
| 42 |
| Tensile Strength: Ultimate (UTS), MPa | 530 | |
| 570 |
| Tensile Strength: Yield (Proof), MPa | 260 | |
| 250 |
Thermal Properties
| Latent Heat of Fusion, J/g | 310 | |
| 170 |
| Maximum Temperature: Mechanical, °C | 1100 | |
| 130 |
| Melting Completion (Liquidus), °C | 1400 | |
| 810 |
| Melting Onset (Solidus), °C | 1430 | |
| 770 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 390 |
| Thermal Expansion, µm/m-K | 15 | |
| 21 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.0 | |
| 27 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.3 | |
| 31 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 25 | |
| 25 |
| Density, g/cm3 | 7.8 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 4.4 | |
| 3.5 |
| Embodied Energy, MJ/kg | 62 | |
| 57 |
| Embodied Water, L/kg | 190 | |
| 320 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 160 | |
| 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 170 | |
| 290 |
| Stiffness to Weight: Axial, points | 14 | |
| 7.7 |
| Stiffness to Weight: Bending, points | 25 | |
| 20 |
| Strength to Weight: Axial, points | 19 | |
| 20 |
| Strength to Weight: Bending, points | 19 | |
| 19 |
| Thermal Shock Resistance, points | 13 | |
| 18 |
Alloy Composition
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| Carbon (C), % | 0 to 0.2 | |
| 0 |
| Chromium (Cr), % | 23 to 27 | |
| 0 |
| Copper (Cu), % | 0 | |
| 43 to 47 |
| Iron (Fe), % | 46.7 to 58 | |
| 0 |
| Lead (Pb), % | 0 | |
| 0 to 0.2 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0 |
| Molybdenum (Mo), % | 0 to 0.5 | |
| 0 |
| Nickel (Ni), % | 19 to 22 | |
| 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 | |
| 41.3 to 48 |
| Residuals, % | 0 | |
| 0 to 0.5 |