Description
40Cr7Al10Mo2 Round Bars / IS 5517 40Cr7Al10Mo2
40Cr7Al10Mo2 Round Bars is a Nitriding Steel, also known as a Case-Hardening Steel, containing Chromium, Aluminum, and Molybdenum. It is known for its high wear resistance, good toughness, and ductility, especially after nitriding. After heat treatment, it achieves a hard wear-resistant case, often up to 68HRC.
40Cr7Al10Mo2 chemical composition of IS 5517 40Cr7Al10Mo2 :
| Elements | Min. | Max. |
| C | 0.35 | 0.45 |
| Si | 0.10 | 0.35 |
| Mn | 0.40 | 0.70 |
| P | – | 0.035 |
| S | – | 0.035 |
| Cr | 1.50 | 1.80 |
| Mo | 0.10 | 0.25 |
| Al | 0.90 | 1.30 |




