431 CNC Machining
Custom 431 CNC machined parts for prototypes and production, with fast turnaround from RapidDirect.
Explore 431 CNC Machining431 Stainless Steel for Custom Parts
431 is a high-chromium, low-nickel martensitic stainless steel known for high hardenability, strength, and good corrosion resistance. It is used in aerospace and marine applications.
- High hardenability
- High strength
- Corrosion resistant
431 Stainless Steel Overview
431 is a high-chromium, low-nickel martensitic stainless steel known for high hardenability, strength, and good corrosion resistance. It is used in aerospace and marine applications.
- High hardenability: 431 responds well to hardening for demanding components.
- High strength: Its strength suits aerospace and marine parts.
- Corrosion resistant: 431 provides good corrosion resistance for harsh service environments.
Selection note: 431 combines high strength and hardenability with corrosion resistance for aerospace and marine components.
Compare other Stainless Steel gradesManufacturing Processes for 431 Stainless Steel
431 Stainless Steel Material Specifications
Mechanical Properties
| Tensile strength, yield | 690–900 MPa |
|---|---|
| Fatigue strength | 350 MPa |
| Elongation at break | 15–17 % |
| Hardness | 248–293 Brinell |
Physical Properties
| Density | 7.75 g/cm³ |
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Explore 431 properties, applications, and manufacturing options.