SAE-AISI D3 Steel vs. ASTM A203 Steel
Both SAE-AISI D3 steel and ASTM A203 steel are iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is SAE-AISI D3 steel and the bottom bar is ASTM A203 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 9.8 to 15 | |
| 22 to 26 |
| Fatigue Strength, MPa | 310 to 940 | |
| 210 to 280 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 74 | |
| 73 |
| Shear Strength, MPa | 470 to 1220 | |
| 330 to 370 |
| Tensile Strength: Ultimate (UTS), MPa | 770 to 2050 | |
| 520 to 590 |
| Tensile Strength: Yield (Proof), MPa | 480 to 1550 | |
| 290 to 390 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 250 |
| Melting Completion (Liquidus), °C | 1430 | |
| 1460 |
| Melting Onset (Solidus), °C | 1390 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Conductivity, W/m-K | 31 | |
| 52 |
| Thermal Expansion, µm/m-K | 12 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 3.0 | |
| 7.4 to 7.6 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 3.5 | |
| 8.5 to 8.7 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 8.0 | |
| 3.2 to 4.0 |
| Density, g/cm3 | 7.7 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 3.2 | |
| 1.6 to 1.7 |
| Embodied Energy, MJ/kg | 48 | |
| 21 to 23 |
| Embodied Water, L/kg | 100 | |
| 50 to 52 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 97 to 180 | |
| 110 to 120 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 28 to 74 | |
| 18 to 21 |
| Strength to Weight: Bending, points | 24 to 47 | |
| 18 to 20 |
| Thermal Diffusivity, mm2/s | 8.3 | |
| 14 |
| Thermal Shock Resistance, points | 23 to 63 | |
| 15 to 17 |