ASTM A579 Grade 74 Type 7, Maraging
ASTM A579 Grade 74 Type 7, Maraging general
| Property | Temperature | Value | Comment |
|---|---|---|---|
| Density | 23.0 °C | Density of 7.8 g/cm³ | Typical for Steel |
ASTM A579 Grade 74 Type 7, Maraging thermal
| Property | Value |
|---|---|
| Aluminium | Aluminium of 0.25 - 0.4 % |
| Carbon | Carbon of 0.03 % |
| Chromium | Chromium of 4.75 - 5.25 % |
| Manganese | Manganese of 0.1 % |
| Molybdenum | Molybdenum of 2.75 - 3.25 % |
| Nickel | Nickel of 11.5 - 12.5 % |
| Phosphorus | Phosphorus of 0.01 % |
| Silicon | Silicon of 0.12 % |
| Sulfur | Sulfur of 0.01 % |
| Titanium | Titanium of 0.05 - 0.15 % |
ASTM A579 Grade 74 Type 7, Maraging mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
| Charpy impact energy | 23.0 °C | Charpy impact energy of 80 J | - |
| Elastic modulus | 23.0 °C | Elastic modulus of 190 - 210 GPa | Typical for Steel |
| Elongation | 23.0 °C | Elongation of 15 % | - |
| 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 65 % | - |
| Tensile strength | 23.0 °C | Tensile strength of 1170 MPa | - |
| Yield strength Rp0.2 | 23.0 °C | Yield strength Rp0.2 of 1100 MPa | - |