AISI 9260 is a silicon manganese spring steel used widely for the production of leaf springs
Analysis
| Element | % |
| C | 0.56-0.64 |
| Mn | 0.75-1.00 |
| P | 0.035 (max) |
| S | 0.04 (max) |
| Si | 1.80-2.20 |
Related specifications include EN45 and BS970 250A53
BSS Stock a range of EN45 flat bars which can be seen here