S32750

S32750, also known as SAF 2507 or Duplex 2507, is a super duplex stainless steel alloy with enhanced corrosion resistance and mechanical properties compared to conventional duplex stainless steels. It belongs to the family of duplex stainless steels, characterized by a two-phase microstructure consisting of austenite and ferrite. Here is a detailed description of S32750:

Chemical Composition:

• Chromium (Cr): Approximately 24.0-26.0%

• Nickel (Ni): Approximately 6.0-8.0%

• Molybdenum (Mo): Approximately 3.0-5.0%

• Nitrogen (N): Approximately 0.24-0.32%

• Iron (Fe): Balance

• Copper (Cu): ≤0.5%

• Manganese (Mn): ≤1.2%

• Silicon (Si): ≤0.8%

• Phosphorus (P): ≤0.035%

• Sulfur (S): ≤0.02%

• Carbon (C): ≤0.030%

Key Features and Characteristics:

1. High Corrosion Resistance: S32750 offers excellent resistance to corrosion in various aggressive environments, including seawater, acidic solutions, and chloride-containing environments. Its high chromium, molybdenum, and nitrogen content contribute to its superior corrosion resistance.

2. Pitting and Crevice Corrosion Resistance: The alloy exhibits exceptional resistance to pitting and crevice corrosion, making it suitable for use in marine environments, chemical processing, and oil and gas applications.

3. Stress Corrosion Cracking Resistance: S32750 has high resistance to stress corrosion cracking (SCC), which is a common issue in chloride-rich environments. This property ensures the integrity and longevity of components in critical applications.

4. High Strength: S32750 maintains high strength and toughness, even at elevated temperatures, allowing it to withstand mechanical stresses and pressure in various applications.

5. Weldability: The alloy can be readily welded using conventional welding methods, providing ease of fabrication and assembly in various engineering applications.

6. Good Formability: S32750 exhibits good formability, allowing it to be easily formed into various shapes and configurations for different applications.

Applications:

• Offshore and marine applications including offshore oil platforms, subsea pipelines, and marine equipment

• Chemical processing equipment such as reactors, heat exchangers, and piping systems

• Oil and gas industry components including flowlines, risers, and subsea equipment

• Desalination plants and equipment for seawater processing

• Pulp and paper processing equipment including digesters and bleach plants

• Heat exchangers and condensers in power plants and petrochemical facilities

S32750 (SAF 2507 or Duplex 2507) is a highly corrosion-resistant and durable super duplex stainless steel alloy suitable for a wide range of demanding applications in aggressive environments. Its superior corrosion resistance, mechanical properties, and weldability make it a preferred choice for critical applications across various industries.

Thickness  1.0/1.2/1.5/3.0/4.0/5.0/6.0