ASTM A579 Grade 71 Type 7, Maraging
ASTM A579 Grade 71 Type 7, Maraging general
| Property | Temperature | Value | Comment |
|---|---|---|---|
| Density | 23.0 °C | Density of 7.8 g/cm³ | Typical for Steel |
ASTM A579 Grade 71 Type 7, Maraging chemical
| Property | Value |
|---|---|
| Aluminium | Aluminium of 0.05 - 0.15 % |
| Carbon | Carbon of 0.03 % |
| Cobalt | Cobalt of 8 - 9 % |
| Manganese | Manganese of 0.1 % |
| Molybdenum | Molybdenum of 3 - 3.5 % |
| Nickel | Nickel of 17 - 19 % |
| Phosphorus | Phosphorus of 0.01 % |
| Silicon | Silicon of 0.1 % |
| Sulfur | Sulfur of 0.01 % |
| Titanium | Titanium of 0.15 - 0.25 % |
ASTM A579 Grade 71 Type 7, Maraging mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
| Charpy impact energy | 23.0 °C | Charpy impact energy of 45 J | - |
| Elastic modulus | 23.0 °C | Elastic modulus of 190 - 210 GPa | Typical for Steel |
| Elongation | 23.0 °C | Elongation of 12 % | - |
| 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 55 % | - |
| Tensile strength | 23.0 °C | Tensile strength of 1450 MPa | - |
| Yield strength Rp0.2 | 23.0 °C | Yield strength Rp0.2 of 1380 MPa | - |
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