ASTM A579 Grade 81 Type 8, Bainitic/Martensitic
ASTM A579 Grade 81 Type 8, Bainitic/Martensitic general
| Property | Temperature | Value | Comment |
|---|---|---|---|
| Density | 23.0 °C | Density of 7.8 g/cm³ | Typical for Steel |
ASTM A579 Grade 81 Type 8, Bainitic/Martensitic thermal
| Property | Value |
|---|---|
| Carbon | Carbon of 0.24 - 0.3 % |
| Chromium | Chromium of 0.35 - 0.6 % |
| Cobalt | Cobalt of 3.5 - 4.5 % |
| Manganese | Manganese of 0.1 - 0.35 % |
| Molybdenum | Molybdenum of 0.35 - 0.6 % |
| Nickel | Nickel of 7 - 9 % |
| Phosphorus | Phosphorus of 0.01 % |
| Silicon | Silicon of 0.1 % |
| Sulfur | Sulfur of 0.01 % |
| Vanadium | Vanadium of 0.06 - 0.12 % |
ASTM A579 Grade 81 Type 8, Bainitic/Martensitic mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
| Charpy impact energy | 23.0 °C | Charpy impact energy of 35 J | - |
| Elastic modulus | 23.0 °C | Elastic modulus of 190 - 210 GPa | Typical for Steel |
| Elongation | 23.0 °C | Elongation of 13 % | - |
| Poisson's ratio | 23.0 °C | Poisson's ratio of 0.3 [-] | Typical for Steel |
| Reduction of area | 23.0 °C | Reduction of area of 45 % | - |
| Tensile strength | 23.0 °C | Tensile strength of 1310 MPa | - |
| Yield strength Rp0.2 | 23.0 °C | Yield strength Rp0.2 of 1240 MPa | - |