ASTM Grade 120-90-02 vs. SAE-AISI 1527 Steel
Both ASTM grade 120-90-02 and SAE-AISI 1527 steel are iron alloys. They have a moderately high 95% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is ASTM grade 120-90-02 and the bottom bar is SAE-AISI 1527 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 310 | |
| 170 to 180 |
| Elastic (Young's, Tensile) Modulus, GPa | 170 | |
| 190 |
| Elongation at Break, % | 2.1 | |
| 13 to 21 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 66 | |
| 73 |
| Shear Strength, MPa | 800 | |
| 370 to 390 |
| Tensile Strength: Ultimate (UTS), MPa | 920 | |
| 590 to 640 |
| Tensile Strength: Yield (Proof), MPa | 670 | |
| 320 to 550 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 250 |
| Maximum Temperature: Mechanical, °C | 290 | |
| 400 |
| Melting Completion (Liquidus), °C | 1160 | |
| 1460 |
| Melting Onset (Solidus), °C | 1120 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 490 | |
| 470 |
| Thermal Conductivity, W/m-K | 31 | |
| 52 |
| Thermal Expansion, µm/m-K | 11 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.4 | |
| 7.1 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 9.2 | |
| 8.1 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.9 | |
| 1.8 |
| Density, g/cm3 | 7.2 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 1.4 |
| Embodied Energy, MJ/kg | 21 | |
| 19 |
| Embodied Water, L/kg | 43 | |
| 47 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 17 | |
| 82 to 100 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1330 | |
| 260 to 800 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 26 | |
| 24 |
| Strength to Weight: Axial, points | 35 | |
| 21 to 23 |
| Strength to Weight: Bending, points | 29 | |
| 20 to 21 |
| Thermal Diffusivity, mm2/s | 8.9 | |
| 14 |
| Thermal Shock Resistance, points | 35 | |
| 19 to 20 |
Alloy Composition
| Carbon (C), % | 3.0 to 3.5 | |
| 0.22 to 0.29 |
| Iron (Fe), % | 93.7 to 95.5 | |
| 98.1 to 98.6 |
| Manganese (Mn), % | 0 | |
| 1.2 to 1.5 |
| Phosphorus (P), % | 0 to 0.080 | |
| 0 to 0.040 |
| Silicon (Si), % | 1.5 to 2.8 | |
| 0 |
| Sulfur (S), % | 0 | |
| 0 to 0.050 |