R60804 Alloy vs. SAE-AISI 4340 Steel
R60804 alloy belongs to the otherwise unclassified metals classification, while SAE-AISI 4340 steel belongs to the iron alloys. There are 20 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 R60804 alloy and the bottom bar is SAE-AISI 4340 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 98 | |
| 190 |
| Elongation at Break, % | 22 | |
| 12 to 22 |
| Poisson's Ratio | 0.34 | |
| 0.29 |
| Shear Modulus, GPa | 36 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 430 | |
| 690 to 1280 |
| Tensile Strength: Yield (Proof), MPa | 270 | |
| 470 to 1150 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 250 |
| Specific Heat Capacity, J/kg-K | 270 | |
| 470 |
| Thermal Conductivity, W/m-K | 22 | |
| 44 |
| Thermal Expansion, µm/m-K | 6.0 | |
| 13 |
Otherwise Unclassified Properties
| Density, g/cm3 | 6.5 | |
| 7.8 |
| Embodied Water, L/kg | 290 | |
| 53 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 85 | |
| 79 to 170 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 380 | |
| 590 to 3490 |
| Stiffness to Weight: Axial, points | 8.3 | |
| 13 |
| Stiffness to Weight: Bending, points | 23 | |
| 24 |
| Strength to Weight: Axial, points | 18 | |
| 24 to 45 |
| Strength to Weight: Bending, points | 19 | |
| 22 to 33 |
| Thermal Diffusivity, mm2/s | 12 | |
| 12 |
| Thermal Shock Resistance, points | 53 | |
| 20 to 38 |
Alloy Composition
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| Carbon (C), % | 0 | |
| 0.38 to 0.43 |
| Chromium (Cr), % | 0.070 to 0.13 | |
| 0.7 to 0.9 |
| Iron (Fe), % | 0.18 to 0.24 | |
| 95.1 to 96.3 |
| Manganese (Mn), % | 0 | |
| 0.6 to 0.8 |
| Molybdenum (Mo), % | 0 | |
| 0.2 to 0.3 |
| Nickel (Ni), % | 0 | |
| 1.7 to 2.0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.035 |
| Silicon (Si), % | 0 | |
| 0.15 to 0.35 |
| Sulfur (S), % | 0 | |
| 0 to 0.040 |
| Tin (Sn), % | 1.2 to 1.7 | |
| 0 |
| Zirconium (Zr), % | 97.8 to 98.6 | |
| 0 |
| Residuals, % | 0 to 0.12 | |
| 0 |