Shapes Available
Flat Bar
Hex Bar
Plate
Round Bar
Tubing
Industries
Aerospace
Manufacturing
Industry Names
- 4140 Cond Annealed
- 4140 Pre-Hardened
- 4140 HT
- 4140 Hot Roll
- 4140 HR
- 4140 Condition C
- Alloy 4140
Material
- Cold Finished and Alloy
Specifications
- AISI 4140
- AMS 6362 (Round Bar)
- AMS 6381 (Tubing)
- UNS G41400
Applications
- Bearings
- Cylinders
- Gears
- Hydraulic Shafts
- Nuts and Bolts
Features
- Good General Machinability
Element | Min | Max |
---|---|---|
C | 0.38 | 0.43 |
Cr | 0.80 | 1.1 |
Mn | 0.7 | 1.00 |
Mo | 0.15 | 0.25 |
P | - | 0.035 |
S | - | 0.04 |
Si | 0.15 | 0.30 |