Alloy Steel 4140
Description
4140 is a chromium-molybdenum alloy steel known for excellent strength, toughness, and fatigue resistance. Heat treatable to various hardness levels.
Material Properties
| density | 7.85 |
|---|---|
| hardness | HRC 28-32 |
| tensile_strength | 655 MPa |
| yield_strength | 415 MPa |
| corrosion_resistance | Poor - requires coating |
Applications
Gears, shafts, axles, connecting rods, machinery components, oil and gas tools