Specifications
SAE 4130 normalized chromoly steel is used heavily in aviation and racing because of its weld-ability and fabrication properties. This material is ideal for applications requiring lightweight, strong steel. The added chromium and molybdenum strengthening agents add considerable toughness while maintaining excellent weldability and machinability.
Mechanical Properties
| Ultimate Tensile Strength | 97,200 |
| Yield Strength | 63,100 |
| Elongation | 25.5% in 2 |
Technical Specifications
| AMS 4365 |
Chemistry
| Fe | 97.3-98.22 |
| C | .28-.33 |
| Cr | .8-1.1 |
| Mn | .4-.6 |
| Mo | .15-.25 |
| P | .035 |
| S | .04 |
| Si | .15-.35 |