S32760 Super Duplex Stainless Steel Product Introduction

1. ‌Material Overview‌

• ‌Grade Designation‌: S32760 (UNS S32760 / F55 / 1.4501), a super duplex stainless steel alloy12.
• ‌Composition‌:
  • Chromium (Cr): 24-26%
  • Nickel (Ni): 6-8%
  • Molybdenum (Mo): 3-4%
  • Copper (Cu): 0.5-1.0%
  • Nitrogen (N): 0.2-0.3%910.
• ‌Key Properties‌:
  • ‌Corrosion Resistance‌: High resistance to pitting, crevice corrosion, and stress corrosion cracking (PREN ≥40)12.
  • ‌Mechanical Strength‌:
    • Tensile Strength: ≥750 MPa
    • Yield Strength: ≥550 MPa
    • Elongation: ≥25%12.
  • ‌Thermal Stability‌: Suitable for temperatures up to 300°C (long-term use)212.

2. ‌Applications‌

• ‌Chemical & Petrochemical‌: Reactors, heat exchangers, and storage tanks112.
• ‌Oil & Gas‌: Subsea equipment, pipelines, and offshore platforms1112.
• ‌Marine Engineering‌: Seawater pumps, ship components, and desalination plants212.
• ‌Energy & Environmental‌: Flue gas desulfurization (FGD) systems and nuclear condensers
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