A modified and re-sulfurized chemistry of this medium carbon alloy steel grade provides a more thorough hardenability. The addition of sulfur along with calcium treatment in the 4150 alloy steel grade results in improved machinability for many larger part sections.
Grade / Shape |
Min (in) |
Max (in) |
Width Max (in) |
Lengths (ft) |
4150 M QT RD | 1 | 10.5 | 18 to 24 | |
4150 MOD HRA RD | 1 | 9.5 | 18 to 24 | |
4150 MOD QT FG & RT RD | 10.125 | 18.25 | 18 to 24 |