Alloy Steel 4140 is a chromium-molybdenum steel with excellent strength, toughness, and fatigue resistance. It is one of the most versatile alloy steels, used extensively for critical machine components that require through-hardening.
66/100
±0.01 mm
Carbon & Alloy Steel
| Property | Value |
|---|---|
| Tensile Strength | 655 MPa (95 ksi) |
| Yield Strength | 415 MPa (60 ksi) |
| Hardness | 197 HB |
| Density | 7.85 g/cm³ |
| Machinability Rating | 66/100 |
| Thermal Conductivity | 42.6 W/m·K |
| Melting Point | 1,416–1,460 °C |
| Tolerance | ±0.01 mm |
Toolholders
Shafts
Gears
Collets
Sprockets
Couplings
Tolerance: ±0.01 mm (±0.0004")
View Details →Tolerance: ±0.01 mm (±0.0004")
View Details →Tolerance: ±0.01 mm
View Details →Tolerance: ±0.005 mm
View Details →Tolerance: ±0.02 mm (prototype standard)
View Details →Tolerance: ±0.01 mm (finished)
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