Bearings
Bearings
Marcegaglia Fos-sur-Mer offers a complete range of steels that meet the requirements of specifications for various bearing applications.
This offering includes through-hardening steels, which ensure high durability and resistance. Additionally, case-hardening and carbonitriding steels are available to enhance surface properties. Lastly, the range also includes carbon steels specifically designed for surface quenching, ensuring optimal performance under the most demanding conditions.
Characteristics
- Excellent inclusion cleanliness
- Suitability for implementation
- Guarantee of service properties
- Adapted analytical approach
- Specific manufacturing process
Advantages
- Very good fatigue resistance
- Excellent endurance under Hertz pressure loads
- Resistance to high temperatures
Benefit
- Low dispersion of fatigue resistance results allowing for more precise sizing
Through-hardened steels*
| Euronorm | W.-Nr. | EN ISO 683-17 | SAE / ASTM | JIS |
|---|---|---|---|---|
| 100Cr6 | 1.3505 | B1 | 52100 | SUJ2 |
| 100CrMnSi6-4 | 1.352 | B3 | ||
| 100CrMo7 | 1.3537 | B5 | SUJ4 | |
| 100CrMo7-3 | 1.3536 | B6 | ||
| 100CrMo7-4 | 1.3538 | B7 | ||
| 100CrMnMoSi8-4-6 | 1.3539 | B8 | ||
| 100MnCrSi4-4 | B2 | A485 Grade 1 | SUJ3 | |
| 95CrMnSi6-6 | B4 | A485 Grade 2 | ||
| 100CrMnMo5-5-2 | A485 Grade 4 |
* Possibility to reduce sulfur
Carburizing or carbonitriding steels**
| Euronorm | W.-Nr. | EN ISO 683-17 | SAE / ASTM | JIS |
|---|---|---|---|---|
| 17MnCr5 | B23 | |||
| 20MnCr5 | 1.7147 | B24 | 8319 | |
| 18MnCrMo5 | 8219 | |||
| 20MnCrMo4-2 | B27 | 8019 | ||
| 20MnCrNiMo5-3 | 8119 | |||
| 16CrNiMo6 | 1.3531 | |||
| 18CrNiMo7-6 | 1.6587 | B30 | ||
| 18NiCrMo5 | ||||
| 18NiCrMo14-6 | 1.3533 | B31 | ||
| 20NiCrMo2 | 1.6523 | B28 | 8620 | SNCM220 |
| 20NiCrMo7 | 1.3576 | B29 | 4320H | SNCM420 |
| 14NiCr14 • 15NiCr13 | 1.5752 | 3311 • 3312 | ||
| 32MnCrMo6-4-3 | 1.791 |
Carbon steels for surface hardening*/***
| Euronorm | W.-Nr. | EN ISO 683-17 | SAE / ASTM | JIS |
|---|---|---|---|---|
| C56E2 | 1.1219 | B40 | 1055 | |
| 70Mn4 | 1.1244 | B42 |
* Possibility to reduce sulfur. ** On request, other carburizing steels with Mn, Cr, Mo. *** Possible addition of vanadium.
