Maraging 200 is an intense, moderately delicate and along these lines promptly machined and shaped. Full properties accomplished through martensitic precipitation aging. Maraging 200 is a piece of the 18% Nickel Maraging Steel family close by Maraging 250 and Maraging 300. When working with Maraging steels despite the fact that some of them contain Titanium and some contain Cobalt as their fortifying composite, it's imperative to recall that their physical properties change just marginally and are to a great degree comparable.
So comparative are they that the number in the review name (200 for this situation) compares, moderately, not 100% but rather much of the time, to the rigidity. Usually furnished in the toughened condition Maraging 200 can be anything but difficult to machine and relatively soft. Anyway after warmth treating by means of a precipitation solidifying position the hardness increments extraordinarily which makes this steel adequate for some tooling applications.
Specifications |
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| Specifications | : | ASTM A538, UNS K92810 |
| Material | : | Exotic Specialty Steel |
| Applications | : | Aircraft Wing Components and Forging Bearings Bolts Couplings Fan Shafts In Commercial Jet Engines Helicopter Drive Shafts Rocket motor and Missile cases Transmission Shafts |
| % | Ni | Cr | Mo | Co | C | Fe |
|---|---|---|---|---|---|---|
| Min | 11 | 2.9 | 1.1 | 13 | 0.21 | Balance |
| Max | 12 | 3.3 | 1.3 | 14 | 0.25 | Balance |
| Mechanical & Physical Properties | 21.1°C | 93.3°C | 148.9°C | 204.4°C | 315.6°C | 371.1°C | 426.7°C | 537.8°C |
|---|---|---|---|---|---|---|---|---|
| Ultimate Tensile Strength /MPa | - | 1965 | 1862 | 1793 | 1709 | 1634 | 1579 | - |
| 0.2% Yield Strength /MPa | - | 1724 | 1655 | 1585 | 1503 | 1379 | 1324 | - |
| Reduction of area % | - | 55 | 62 | 64 | 63 | 61 | 60 | - |
| Elongation % | - | 14 | 16 | 16 | 16 | 15 | 15 | - |
| Charpy Impact V-notch /J | - | 68 | 71 | 68 | 45 | 38 | 37 | - |
| Coefficient of Thermal Expansion /µm/m°C | - | 9.99 | 10.386 | 10.584 | 10.944 | 11.088 | 11.25 | 11.574 |
| Modulus of Elasticity / GPa | 194.4 | - | - | - | - | - | - |
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