Alloy F60 Stainless Steel (UNS S32906)
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Alloy F60 (ASTM A240, ASTM A182, ASTM A790)
Alloy F60, also known as UNS S32906, is a super duplex stainless steel designed for excellent corrosion resistance and high mechanical strength in highly aggressive environments. It offers superior resistance to pitting, crevice corrosion, and stress corrosion cracking, making it ideal for use in environments with high chloride concentrations and elevated temperatures. It is often used in industries that require exceptional performance in harsh conditions, including marine, chemical, and oil and gas sectors.
Features of Alloy F60:
- Exceptional Corrosion Resistance: Superior resistance to pitting, crevice corrosion, and chloride stress corrosion cracking.
- High Strength: Twice the yield strength of 300-series austenitic stainless steels.Twice the yield strength of standard austenitic stainless steels.
- Stress Corrosion Cracking Resistance: Excellent resistance in chloride environments, including seawater and chemical applications.
- Good Weldability: Suitable for welding using standard techniques without requiring post-weld heat treatment.
- High Temperature Stability: Maintains mechanical properties and resistance to corrosion at elevated temperatures.
Specifications:
Applicable Standards:
- ASTM A240, ASTM A182, ASTM A790, UNS S32906
Mechanical Properties:
| Property | Value |
|---|---|
| Tensile Strength | ~800 MPa |
| Yield Strength | ~550 MPa |
| Elongation | ~20% |
| Hardness (BHN) | ~330 |
| Density | 7.8 g/cm³ |
Thermal Properties:
- Melting Range: 1350-1400°C
Chemical Composition:
| Element | Percentage (%) |
|---|---|
| Chromium (Cr) | 25.0-27.0 |
| Nickel (Ni) | 5.0-7.0 |
| Molybdenum (Mo) | 3.5-4.5 |
| Nitrogen (N) | 0.22-0.30 |
| Carbon (C) | ≤0.03 |
| Silicon (Si) | ≤1.0 |
| Manganese (Mn) | ≤1.5 |