N08904 Acid-Resistant Super Austenitic Stainless Steel Seamless Pipe

Performance

• Resistance to pitting corrosion equivalent PREN ≈ 35~38.
• Excellent corrosion resistance to sulfuric acid (full concentration at medium temperature) and phosphoric acid. 
• Good resistance to chloride ion pitting corrosion, crevice corrosion, and stress corrosion cracking (better than 316L).
• Medium strength; High ductility and excellent formability/weldability.
  
  

Applications

• Sulfuric acid production and storage equipment.
• FGD absorption towers, chimneys, and flues.
• Seawater cooling and desalination evaporators.
• Pulp and paper bleaching equipment.
• Pharmaceutical and food processing (high purity requirements).