ASTM A209 Steel vs. ASTM B817 Type II
ASTM A209 steel belongs to the iron alloys classification, while ASTM B817 type II belongs to the titanium alloys. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is ASTM A209 steel and the bottom bar is ASTM B817 type II.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 100 |
| Elongation at Break, % | 34 | |
| 3.0 to 13 |
| Fatigue Strength, MPa | 180 to 200 | |
| 390 to 530 |
| Poisson's Ratio | 0.29 | |
| 0.32 |
| Shear Modulus, GPa | 73 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 420 to 460 | |
| 900 to 960 |
| Tensile Strength: Yield (Proof), MPa | 220 to 250 | |
| 780 to 900 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 400 |
| Maximum Temperature: Mechanical, °C | 410 | |
| 350 |
| Melting Completion (Liquidus), °C | 1470 | |
| 1580 |
| Melting Onset (Solidus), °C | 1420 to 1430 | |
| 1530 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 550 |
| Thermal Expansion, µm/m-K | 13 | |
| 9.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 2.4 | |
| 37 |
| Density, g/cm3 | 7.9 | |
| 4.6 |
| Embodied Carbon, kg CO2/kg material | 1.5 | |
| 40 |
| Embodied Energy, MJ/kg | 20 | |
| 650 |
| Embodied Water, L/kg | 47 | |
| 220 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 120 to 130 | |
| 26 to 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 130 to 170 | |
| 2890 to 3890 |
| Stiffness to Weight: Axial, points | 13 | |
| 13 |
| Stiffness to Weight: Bending, points | 24 | |
| 34 |
| Strength to Weight: Axial, points | 15 to 16 | |
| 55 to 58 |
| Strength to Weight: Bending, points | 16 to 17 | |
| 45 to 47 |
| Thermal Shock Resistance, points | 12 to 14 | |
| 62 to 66 |