ASTM A387 Grade 91 Type 1 Class 1, Normalized and Tempered or Quenched and Tempered
ASTM A387 Grade 91 Type 1 Class 1, Normalized and Tempered or Quenched and Tempered general
| Property | Temperature | Value | Comment |
|---|---|---|---|
| Density | 23.0 °C | Density of 7.8 g/cm³ | Typical for Steel |
ASTM A387 Grade 91 Type 1 Class 1, Normalized and Tempered or Quenched and Tempered thermal
| Property | Value |
|---|---|
| Aluminium | Aluminium of 0.02 % |
| Carbon | Carbon of 0.08 - 0.12 % |
| Chromium | Chromium of 8 - 9.5 % |
| Manganese | Manganese of 0.3 - 0.6 % |
| Molybdenum | Molybdenum of 0.85 - 1.05 % |
| Nickel | Nickel of 0.4 % |
| Niobium | Niobium of 0.06 - 0.1 % |
| Nitrogen | Nitrogen of 0.03 - 0.07 % |
| Phosphorus | Phosphorus of 0.02 % |
| Silicon | Silicon of 0.2 - 0.5 % |
| Sulfur | Sulfur of 0.01 % |
| Titanium | Titanium of 0.01 % |
| Vanadium | Vanadium of 0.18 - 0.25 % |
| Zirconium | Zirconium of 0.01 % |
ASTM A387 Grade 91 Type 1 Class 1, Normalized and Tempered or Quenched and Tempered mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
| Elastic modulus | 23.0 °C | Elastic modulus of 190 - 210 GPa | Typical for Steel |
| Elongation A50 | 23.0 °C | Elongation A50 of 18 % | - |
| Poisson's ratio | 23.0 °C | Poisson's ratio of 0.3 [-] | Typical for Steel |
| Tensile strength | 23.0 °C | Tensile strength of 585 - 760 MPa | - |
| Yield strength | 23.0 °C | Yield strength of 415 MPa | - |