SAE-AISI 8740 Steel vs. C73100 Nickel Silver
SAE-AISI 8740 steel belongs to the iron alloys classification, while C73100 nickel silver belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is SAE-AISI 8740 steel and the bottom bar is C73100 nickel silver.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 110 |
| Elongation at Break, % | 11 to 23 | |
| 3.4 to 8.0 |
| Poisson's Ratio | 0.29 | |
| 0.32 |
| Shear Modulus, GPa | 73 | |
| 43 |
| Shear Strength, MPa | 370 to 400 | |
| 260 to 370 |
| Tensile Strength: Ultimate (UTS), MPa | 580 to 670 | |
| 450 to 640 |
| Tensile Strength: Yield (Proof), MPa | 380 to 570 | |
| 420 to 590 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 190 |
| Maximum Temperature: Mechanical, °C | 410 | |
| 170 |
| Melting Completion (Liquidus), °C | 1460 | |
| 1030 |
| Melting Onset (Solidus), °C | 1420 | |
| 1000 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 390 |
| Thermal Conductivity, W/m-K | 39 | |
| 35 |
| Thermal Expansion, µm/m-K | 13 | |
| 19 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.3 | |
| 7.5 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.4 | |
| 8.0 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.6 | |
| 28 |
| Density, g/cm3 | 7.8 | |
| 8.4 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 3.0 |
| Embodied Energy, MJ/kg | 20 | |
| 49 |
| Embodied Water, L/kg | 50 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 71 to 120 | |
| 21 to 35 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 390 to 850 | |
| 790 to 1560 |
| Stiffness to Weight: Axial, points | 13 | |
| 7.5 |
| Stiffness to Weight: Bending, points | 24 | |
| 19 |
| Strength to Weight: Axial, points | 20 to 24 | |
| 15 to 21 |
| Strength to Weight: Bending, points | 20 to 22 | |
| 15 to 20 |
| Thermal Diffusivity, mm2/s | 10 | |
| 11 |
| Thermal Shock Resistance, points | 17 to 20 | |
| 15 to 21 |
Alloy Composition
| Carbon (C), % | 0.38 to 0.43 | |
| 0 |
| Chromium (Cr), % | 0.4 to 0.6 | |
| 0 |
| Copper (Cu), % | 0 | |
| 70.8 to 78 |
| Iron (Fe), % | 96.5 to 97.7 | |
| 0 to 0.1 |
| Lead (Pb), % | 0 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0.75 to 1.0 | |
| 0 to 0.5 |
| Molybdenum (Mo), % | 0.2 to 0.3 | |
| 0 |
| Nickel (Ni), % | 0.4 to 0.7 | |
| 4.0 to 6.0 |
| Phosphorus (P), % | 0 to 0.035 | |
| 0 |
| Silicon (Si), % | 0.15 to 0.35 | |
| 0 |
| Sulfur (S), % | 0 to 0.040 | |
| 0 |
| Tin (Sn), % | 0 | |
| 0 to 0.1 |
| Zinc (Zn), % | 0 | |
| 18 to 22 |
| Residuals, % | 0 | |
| 0 to 0.5 |