SAF 3207 Super Duplex Stainless Steel Powder: Extreme Durability and Superior Corrosion Resistance
Overview:
SAF 3207 is an ultra-high-performance super duplex stainless steel designed for the most demanding environments. Its advanced ferritic-austenitic microstructure delivers exceptional strength, superior corrosion resistance, and outstanding performance in chloride-rich and high-pressure conditions. The spherical powder form is ideal for precision manufacturing, ensuring high efficiency and minimal waste.
What is SAF 3207 Super Duplex Stainless Steel Powder?
SAF 3207 is a super duplex stainless steel alloy with enhanced levels of chromium, molybdenum, and nitrogen, offering superior resistance to pitting, crevice corrosion, and stress corrosion cracking. It is particularly suited for applications in marine, chemical processing, and oil and gas industries where durability and reliability are critical.
Composition:
| Element | Content (%) |
|---|---|
| Chromium (Cr) | 29.0-31.0 |
| Nickel (Ni) | 6.0-8.0 |
| Molybdenum (Mo) | 4.0-5.0 |
| Nitrogen (N) | 0.30-0.40 |
| Manganese (Mn) | ≤ 1.0 |
| Silicon (Si) | ≤ 0.8 |
| Carbon (C) | ≤ 0.03 |
| Iron (Fe) | Balance |
Features:
Unmatched Corrosion Resistance: Withstands aggressive environments, including chloride and acidic conditions.
Superior Mechanical Strength: High yield and tensile strength for demanding applications.
Thermal Stability: Performs effectively in high-temperature and high-pressure environments.
Optimized for Additive Manufacturing: Spherical powder ensures excellent flowability and precision.
Applications:
| Industry | Application |
|---|---|
| Marine | Seawater systems, desalination plants |
| Chemical Processing | Reactors, heat exchangers, and pipelines |
| Oil and Gas | Subsea equipment, pressure vessels |
| Additive Manufacturing | Complex parts for harsh environments |
Specifications:
| Property | Value |
|---|---|
| Particle Size | Customizable for specific applications |
| Density | ~7.8 g/cm³ |
| Tensile Strength | ~900-1100 MPa |
| Yield Strength | ~650-900 MPa |
| Elongation | ~15-20% |
| Hardness | ~340-380 HV |
Advantages:
Exceptional Durability: Superior performance under mechanical stress and corrosive environments.
Manufacturing Efficiency: Spherical powder enhances precision and minimizes waste.
High Reliability: Combines strength and corrosion resistance for critical applications.
Limitations:
Cost: High alloy content increases material cost.
Specialized Handling Required: Requires expertise in processing and fabrication.
FAQs:
| Question | Answer |
|---|---|
| What industries use SAF 3207 alloy powder? | Marine, chemical processing, oil and gas, and additive manufacturing. |
| Why is SAF 3207 classified as super duplex? | Its elevated chromium, molybdenum, and nitrogen levels enhance its strength and corrosion resistance. |
| Why choose spherical powder form? | It provides superior flowability, precision, and minimal waste in manufacturing processes. |