SAF 2507 Duplex Stainless Steel Powder: Ultimate Strength and Corrosion Resistance for Extreme Environments
Overview:
SAF 2507 is a super duplex stainless steel known for its exceptional strength and superior resistance to corrosion, particularly in chloride-rich environments. Its unique ferritic-austenitic microstructure ensures outstanding mechanical properties and durability, making it a preferred choice for demanding industries. The spherical powder form enhances precision and efficiency in additive manufacturing and powder metallurgy applications.
What is SAF 2507 Duplex Stainless Steel Powder?
SAF 2507 is a high-alloy duplex stainless steel designed to withstand extreme conditions, including seawater exposure, acidic environments, and high mechanical stress. With its high chromium, molybdenum, and nitrogen content, this alloy provides unmatched resistance to pitting, crevice corrosion, and stress corrosion cracking.
Composition:
| Element | Content (%) |
|---|---|
| Chromium (Cr) | 24.0-26.0 |
| Nickel (Ni) | 6.0-8.0 |
| Molybdenum (Mo) | 3.0-5.0 |
| Nitrogen (N) | 0.24-0.32 |
| Manganese (Mn) | ≤ 1.2 |
| Silicon (Si) | ≤ 0.8 |
| Carbon (C) | ≤ 0.03 |
| Iron (Fe) | Balance |
Features:
Exceptional Corrosion Resistance: Excellent performance against pitting, crevice corrosion, and chloride-induced stress corrosion cracking.
High Mechanical Strength: Approximately twice the yield strength of standard austenitic stainless steels.
Thermal Stability: Retains properties in high-temperature and high-pressure environments.
Spherical Powder Form: Ensures superior flowability and precision for advanced manufacturing.
Applications:
| Industry | Application |
|---|---|
| Marine | Offshore platforms, seawater systems |
| Chemical Processing | Heat exchangers, reactors, and piping |
| Oil and Gas | Subsea equipment, pressure vessels |
| Additive Manufacturing | Custom components for extreme environments |
Specifications:
| Property | Value |
|---|---|
| Particle Size | Customizable for specific applications |
| Density | ~7.8 g/cm³ |
| Tensile Strength | ~800-1000 MPa |
| Yield Strength | ~550-800 MPa |
| Elongation | ~15-25% |
| Hardness | ~310-350 HV |
Advantages:
Superior Corrosion Resistance: Designed for chloride-rich and aggressive environments.
High Strength: Ensures durability under extreme stress and pressure.
Optimized for Manufacturing: Spherical powder provides high precision and minimal waste.
Limitations:
Cost: Higher alloy content increases production costs.
Welding Requirements: Requires expertise to maintain optimal performance during fabrication.
FAQs:
| Question | Answer |
|---|---|
| What industries use SAF 2507 alloy powder? | Marine, chemical processing, oil and gas, and additive manufacturing. |
| Why is SAF 2507 considered super duplex? | It offers higher chromium, molybdenum, and nitrogen content, providing superior strength and corrosion resistance. |
| Why choose spherical powder form? | It ensures better flowability, precision, and minimal waste in manufacturing. |