440C in CNC Machining
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.
- High hardness: 440C delivers high hardness for demanding parts.
- Wear resistant: Its wear resistance suits bearing and tooling components.
- Heat treatable: Heat treatment can further increase hardness.
Selection note: Stainless steel offers excellent corrosion resistance, strength, and easy cleaning. RapidDirect provides as-machined, electroplated, passivated, powder-coated, polished, and brushed surfaces.
Compare other Stainless Steel grades440C Capabilities
| Price | $$$ |
|---|---|
| Lead time | Under 10 days |
| Wall thickness | 0.75 mm |
| Tolerances | ±0.005 in (±0.125 mm) |
| Maximum part size | 2000 × 800 × 1000 mm |
| Available grades | 440C |
440C Stainless Steel Material Specifications
Mechanical Properties
| Tensile strength, yield | 450–1900 MPa |
|---|---|
| Fatigue strength | 275 MPa |
| Elongation at break | 10–20 % |
| Hardness | 285–600 Brinell |
Physical Properties
| Density | 7.75 g/cm³ |
|---|
440C Stainless Steel Manufacturing Facilities




440C Stainless Steel Parts & Applications


440C FAQs
Learn about 440C applications, capabilities, and finishing options.