Key traits
- High strength
- Tough / impact
- Confirm heat treat
Steel
4140 alloy steel
AKA: 4140 / 42CrMo class
High strengthTough / impactConfirm heat treat
4140 / 42CrMo-class alloy steel for high strength — confirm heat treat/hardness with engineering before lock.
Available processes
CNC machiningRapid proto
Typical applications
- High-strength shafts
- Tooling
- Drive-related parts
Common finishes
- Black oxide
- As-machined
Grade and lead follow the quote options. Call out critical tolerances, temper, and masking on the drawing/notes. Material certs selectable on the quote.
Quote with 4140 alloy steel
Upload CAD with this grade preselected — set finish and inspection on the quote.