4340 Alloy Steel CNC Machining Services
Continental Manufacturing provides expert 4340 Alloy Steel CNC machining services for demanding applications across the aerospace, automotive, and industrial sectors. AISI 4340 is a nickel-chromium-molybdenum alloy known for its high tensile strength, deep hardenability, and outstanding fatigue resistance—making it ideal for parts subjected to extreme stress and wear.
Our state-of-the-art machining centers are equipped to manage the complexities of 4340 steel, delivering tight-tolerance components with consistent accuracy. Whether you need short-run prototypes or full production volumes, our 4340 Alloy Steel CNC machining capabilities ensure precision, repeatability, and reliable lead times.
Typical AISI 4340 machined parts include:
- Gears and pinions
- Bearing races
- Heavy-duty shafts
- High-stress fasteners
4340 responds well to heat treatment, allowing for a wide range of strength and hardness profiles based on your application’s needs. We also offer value-added processes including threading, drilling, broaching, and plating preparation to provide you with ready-to-assemble finished parts.
Backed by decades of experience in machining alloy steels, Continental is your reliable partner for 4340 alloy steel CNC machining—helping you reduce cycle times while maintaining exceptional quality.
Request a quote to learn more about how we can support your next 4340 machining project.