ASTM Grade HK Steel vs. C73100 Nickel Silver
ASTM grade HK steel belongs to the iron alloys classification, while C73100 nickel silver 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 ASTM grade HK steel and the bottom bar is C73100 nickel silver.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 110 |
| Elongation at Break, % | 11 | |
| 3.4 to 8.0 |
| Poisson's Ratio | 0.27 | |
| 0.32 |
| Shear Modulus, GPa | 79 | |
| 43 |
| Tensile Strength: Ultimate (UTS), MPa | 500 | |
| 450 to 640 |
| Tensile Strength: Yield (Proof), MPa | 270 | |
| 420 to 590 |
Thermal Properties
| Latent Heat of Fusion, J/g | 310 | |
| 190 |
| Maximum Temperature: Mechanical, °C | 1100 | |
| 170 |
| Melting Completion (Liquidus), °C | 1400 | |
| 1030 |
| Melting Onset (Solidus), °C | 1350 | |
| 1000 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 390 |
| Thermal Conductivity, W/m-K | 15 | |
| 35 |
| Thermal Expansion, µm/m-K | 17 | |
| 19 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 2.0 | |
| 7.5 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 2.3 | |
| 8.0 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 25 | |
| 28 |
| Density, g/cm3 | 7.8 | |
| 8.4 |
| Embodied Carbon, kg CO2/kg material | 4.4 | |
| 3.0 |
| Embodied Energy, MJ/kg | 63 | |
| 49 |
| Embodied Water, L/kg | 200 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 48 | |
| 21 to 35 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 190 | |
| 790 to 1560 |
| Stiffness to Weight: Axial, points | 14 | |
| 7.5 |
| Stiffness to Weight: Bending, points | 25 | |
| 19 |
| Strength to Weight: Axial, points | 18 | |
| 15 to 21 |
| Strength to Weight: Bending, points | 18 | |
| 15 to 20 |
| Thermal Diffusivity, mm2/s | 3.9 | |
| 11 |
| Thermal Shock Resistance, points | 11 | |
| 15 to 21 |
Alloy Composition
| Carbon (C), % | 0.2 to 0.6 | |
| 0 |
| Chromium (Cr), % | 24 to 28 | |
| 0 |
| Copper (Cu), % | 0 | |
| 70.8 to 78 |
| Iron (Fe), % | 44.8 to 57.8 | |
| 0 to 0.1 |
| Lead (Pb), % | 0 | |
| 0 to 0.050 |
| Manganese (Mn), % | 0 to 2.0 | |
| 0 to 0.5 |
| Molybdenum (Mo), % | 0 to 0.5 | |
| 0 |
| Nickel (Ni), % | 18 to 22 | |
| 4.0 to 6.0 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 |
| Silicon (Si), % | 0 to 2.0 | |
| 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 |