430F Stainless Steel Round Bar
Shapes Available
Industries Served
- Manufacturing
- Automotive
- Aerospace (non-critical components)
- Industrial Equipment
Material
- Stainless Steel (Ferritic, Free-Machining)
Specifications
- ASTM A582 (Free-Machining Stainless Bar)
- ASTM A276 (Stainless Steel Bar)
- UNS S43020
What Is 430F Stainless Steel?
430F stainless steel is a free-machining version of 430 stainless steel, designed for improved machinability while maintaining good corrosion resistance.
It is a ferritic, non-hardenable stainless steel with added sulfur, allowing for:
- Faster machining speeds
- Improved chip breaking
- Reduced tool wear
Key Features of 430F Stainless Steel
430F vs 430 Stainless Steel
- 430F = improved machinability (added sulfur)
- 430 = better surface finish and corrosion resistance
- 430F = ideal for CNC and screw machine parts
430F Applications
430F stainless steel round bar is commonly used in:
- Machined components
- Fasteners
- Shafts
- Bushings
- Valve components
- Automotive trim and hardware
Processing Capabilities
At Mozaic Precision Metals, we specialize in:
- Centerless grinding
- Tight tolerance bar sizing
- Straightness correction
- Precision cut-to-length
Certifications & Compliance
Material available with:
- Mill Test Reports (MTRs)
- Heat traceability
- DFARS-compliant sourcing (upon request)
430F Stainless Steel Properties
Mechanical Properties
| Property | Value |
|---|---|
| Yield Strength (.2%) | ~45 ksi |
| Tensile Strength | ~75 ksi |
| Elongation | ~25–30% |
Chemical Composition
| Element | Min | Max |
|---|---|---|
| Carbon (C) | — | 0.12 |
| Chromium (Cr) | 16.0 | 18.0 |
| Sulfur (S) | — | 0.15 |
| Manganese (Mn) | — | 1.00 |
| Silicon (Si) | — | 1.00 |
| Iron (Fe) | — | Balance |
Why Choose Mozaic Precision Metals
- Precision ground bar specialists
- Tight tolerance capabilities
- Fast turnaround
- Hard-to-find stainless grades
- Reliable supply for production machining