SAF 2707 Super Duplex Stainless Steel Powder: Advanced Strength and Superior Corrosion Resistance
Overview:
SAF 2707 is a super duplex stainless steel known for its unparalleled mechanical strength, exceptional corrosion resistance, and outstanding performance in highly aggressive environments. Its ferritic-austenitic microstructure offers a unique combination of toughness and durability, making it ideal for demanding industrial applications. The spherical powder form ensures precision and consistency in advanced manufacturing processes.
What is SAF 2707 Super Duplex Stainless Steel Powder?
SAF 2707 is a high-performance duplex stainless steel alloy designed to excel in extreme environments. With elevated levels of chromium, molybdenum, and nitrogen, it provides excellent resistance to pitting, crevice corrosion, and chloride-induced stress corrosion cracking. Its super duplex properties make it a top choice for critical industries like marine, chemical, and oil and gas sectors.
Composition:
| Element | Content (%) |
|---|---|
| Chromium (Cr) | 26.0-28.0 |
| Nickel (Ni) | 6.0-8.0 |
| Molybdenum (Mo) | 3.5-4.5 |
| Nitrogen (N) | 0.30-0.40 |
| Manganese (Mn) | ≤ 1.0 |
| Silicon (Si) | ≤ 0.8 |
| Carbon (C) | ≤ 0.03 |
| Iron (Fe) | Balance |
Features:
Extreme Corrosion Resistance: Outstanding performance in chloride-rich and acidic environments.
High Mechanical Strength: Twice the yield strength of standard austenitic stainless steels.
Thermal and Pressure Stability: Performs well under extreme conditions.
Spherical Powder Form: Ensures uniform flowability and high precision in additive manufacturing.
Applications:
| Industry | Application |
|---|---|
| Marine | Offshore platforms, desalination systems |
| Chemical Processing | Reactors, heat exchangers, and pipelines |
| Oil and Gas | Subsea equipment, pressure vessels |
| Additive Manufacturing | Customized parts for harsh environments |
Specifications:
| Property | Value |
|---|---|
| Particle Size | Customizable for specific applications |
| Density | ~7.8 g/cm³ |
| Tensile Strength | ~850-1050 MPa |
| Yield Strength | ~600-850 MPa |
| Elongation | ~15-25% |
| Hardness | ~320-370 HV |
Advantages:
Exceptional Durability: Resists wear, corrosion, and mechanical stress in extreme environments.
Optimized for Manufacturing: Spherical powder ensures precision and efficiency in advanced techniques.
High Performance: Combines strength and corrosion resistance for critical applications.
Limitations:
Cost: Premium alloy content results in higher costs.
Processing Expertise Required: Demands skilled handling for optimal performance.
FAQs:
| Question | Answer |
|---|---|
| What industries use SAF 2707 alloy powder? | Marine, chemical processing, oil and gas, and additive manufacturing. |
| Why is SAF 2707 categorized as super duplex? | Its high chromium, molybdenum, and nitrogen levels enhance strength and corrosion resistance. |
| Why choose spherical powder form? | It ensures better flowability, precision, and minimal waste in manufacturing. |