BÖHLER T552 is a premium aircraft-quality corrosion-resistant chromium-nickel-molydenum steel in the form of bars, wire, forgings and stock for forging.
These products have been used typically for parts such as compressor wheels and structural members requiring corrosion resistance and high strength up to 800°F (427 °C), but usage is not limited to such applications.
| Market grade | SEL | EN | UNS |
|---|---|---|---|
| Jethete | 1.4939 | X12CrNiMo12 | S64152 |
| AMS |
|---|
| 5719 |
| C | Si | Mn | P | S | Cr | Mo | Ni | V | Cu | N | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.08 to 0.15 | max. 0.35 | 0.50 to 0.90 | max. 0.025 | max. 0.025 | 11.00 to 12.50 | 1.50 to 2.00 | 2.00 to 3.00 | 0.25 to 0.40 | max. 0.50 | 0.01 to 0.05 |
