SAE-AISI 4620 Steel vs. Grade 702C Zirconium
SAE-AISI 4620 steel belongs to the iron alloys classification, while grade 702C zirconium belongs to the otherwise unclassified metals. There are 21 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.
For each property being compared, the top bar is SAE-AISI 4620 steel and the bottom bar is grade 702C zirconium.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 150 to 210 | |
| 180 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 97 |
| Elongation at Break, % | 16 to 27 | |
| 13 |
| Poisson's Ratio | 0.29 | |
| 0.34 |
| Shear Modulus, GPa | 73 | |
| 36 |
| Tensile Strength: Ultimate (UTS), MPa | 490 to 680 | |
| 430 |
| Tensile Strength: Yield (Proof), MPa | 350 to 550 | |
| 310 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 270 |
| Thermal Conductivity, W/m-K | 47 | |
| 22 |
| Thermal Expansion, µm/m-K | 13 | |
| 5.7 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.9 | |
| 6.7 |
| Embodied Water, L/kg | 50 | |
| 450 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 100 to 120 | |
| 52 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 330 to 800 | |
| 510 |
| Stiffness to Weight: Axial, points | 13 | |
| 8.1 |
| Stiffness to Weight: Bending, points | 24 | |
| 23 |
| Strength to Weight: Axial, points | 17 to 24 | |
| 18 |
| Strength to Weight: Bending, points | 18 to 22 | |
| 19 |
| Thermal Diffusivity, mm2/s | 13 | |
| 12 |
| Thermal Shock Resistance, points | 15 to 20 | |
| 55 |
Alloy Composition
| Carbon (C), % | 0.17 to 0.22 | |
| 0 to 0.1 |
| Hafnium (Hf), % | 0 | |
| 0 to 4.5 |
| Hydrogen (H), % | 0 | |
| 0 to 0.0050 |
| Iron (Fe), % | 96.4 to 97.4 | |
| 0 to 0.3 |
| Manganese (Mn), % | 0.45 to 0.65 | |
| 0 |
| Molybdenum (Mo), % | 0.2 to 0.3 | |
| 0 |
| Nickel (Ni), % | 1.7 to 2.0 | |
| 0 |
| Nitrogen (N), % | 0 | |
| 0 to 0.030 |
| Oxygen (O), % | 0 | |
| 0 to 0.25 |
| Phosphorus (P), % | 0 to 0.035 | |
| 0 to 0.010 |
| Silicon (Si), % | 0.15 to 0.35 | |
| 0 |
| Sulfur (S), % | 0 to 0.040 | |
| 0 |
| Zirconium (Zr), % | 0 | |
| 94.8 to 100 |