ASTM A210 Steel vs. ASTM A387 Grade 91 Class 2
Both ASTM A210 steel and ASTM A387 grade 91 class 2 are iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is ASTM A210 steel and the bottom bar is ASTM A387 grade 91 class 2.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 140 to 160 | |
| 200 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 34 | |
| 20 |
| Fatigue Strength, MPa | 230 to 250 | |
| 330 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 73 | |
| 75 |
| Shear Strength, MPa | 320 to 360 | |
| 420 |
| Tensile Strength: Ultimate (UTS), MPa | 470 to 540 | |
| 670 |
| Tensile Strength: Yield (Proof), MPa | 290 to 310 | |
| 470 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 270 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 600 |
| Melting Completion (Liquidus), °C | 1460 to 1470 | |
| 1460 |
| Melting Onset (Solidus), °C | 1420 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 52 to 53 | |
| 26 |
| Thermal Expansion, µm/m-K | 12 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.0 | |
| 8.9 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.0 to 8.1 | |
| 10 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.8 | |
| 7.0 |
| Density, g/cm3 | 7.9 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 2.6 |
| Embodied Energy, MJ/kg | 18 | |
| 37 |
| Embodied Water, L/kg | 45 to 46 | |
| 88 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 to 160 | |
| 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 230 to 250 | |
| 580 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 17 to 19 | |
| 24 |
| Strength to Weight: Bending, points | 17 to 19 | |
| 22 |
| Thermal Diffusivity, mm2/s | 14 | |
| 6.9 |
| Thermal Shock Resistance, points | 15 to 17 | |
| 19 |