ASTM A387 Grade 9 Class 1 vs. Annealed K93600
Both ASTM A387 grade 9 class 1 and annealed K93600 are iron alloys. Both are furnished in the annealed condition. There are 22 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.
For each property being compared, the top bar is ASTM A387 grade 9 class 1 and the bottom bar is annealed K93600.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 150 | |
| 130 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 140 |
| Elongation at Break, % | 20 | |
| 35 |
| Shear Strength, MPa | 310 | |
| 320 |
| Tensile Strength: Ultimate (UTS), MPa | 500 | |
| 480 |
| Tensile Strength: Yield (Proof), MPa | 230 | |
| 280 |
Thermal Properties
| Maximum Temperature: Mechanical, °C | 600 | |
| 440 |
| Melting Onset (Solidus), °C | 1410 | |
| 1430 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 520 |
| Thermal Conductivity, W/m-K | 26 | |
| 13 |
| Thermal Expansion, µm/m-K | 13 | |
| 7.3 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 9.0 | |
| 2.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 10 | |
| 2.4 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.8 | |
| 8.1 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 83 | |
| 140 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 140 | |
| 280 |
| Stiffness to Weight: Axial, points | 14 | |
| 9.4 |
| Stiffness to Weight: Bending, points | 25 | |
| 21 |
| Strength to Weight: Axial, points | 18 | |
| 16 |
| Strength to Weight: Bending, points | 18 | |
| 17 |
| Thermal Diffusivity, mm2/s | 6.9 | |
| 3.1 |
| Thermal Shock Resistance, points | 14 | |
| 34 |