440C CNC Machining
Custom 440C CNC machined parts for prototypes and production, with fast turnaround from RapidDirect.
Explore 440C CNC Machining
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Start Creating →440C is a high-carbon martensitic stainless steel known for strength, hardness, and wear resistance. Heat treatment can further increase hardness. It is used for bearing housings, surgical instruments, and components with demanding wear requirements.
440C is a high-carbon martensitic stainless steel known for strength, hardness, and wear resistance. Heat treatment can further increase hardness. It is used for bearing housings, surgical instruments, and components with demanding wear requirements.
Selection note: 440C is selected for hard, wear-resistant components such as bearings and surgical instruments.
Compare other Stainless Steel grades →
Custom 440C CNC machined parts for prototypes and production, with fast turnaround from RapidDirect.
Explore 440C CNC Machining →| Tensile strength, yield | 450–1900 MPa |
|---|---|
| Fatigue strength | 275 MPa |
| Elongation at break | 10–20 % |
| Hardness | 285–600 Brinell |
| Density | 7.75 g/cm³ |
|---|






Explore 440C properties, applications, and manufacturing options.
440C is a high-carbon martensitic stainless steel known for strength, hardness, and wear resistance. Heat treatment can further increase hardness. It is used for bearing housings, surgical instruments, and components with demanding wear requirements.
RapidDirect lists yield strength of 450–1900 MPa, fatigue strength of 275 MPa, elongation of 10–20%, Brinell hardness of 285–600, and density of 7.75 g/cm³.
440C stainless steel is used for bearing housings, surgical instruments, and wear-resistant components.
Yes. RapidDirect CNC machines custom stainless steel prototypes and production parts in this grade.