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1. Protective Oxide Layer Mechanism
- Self‑repairing chromium oxide layer – microscopic passive barrier shields underlying metal.
- Prevents oxygen penetration, providing excellent baseline protection.
- Resists standard atmospheric rust effectively.
2. Vulnerability to Chloride & Marine Environments
- Chloride ions penetrate weak points – initiates pitting corrosion in coastal or industrial zones.
- Protective oxide layer is not completely indestructible.
- Wrong alloy grade selection leads to aggressive degradation.
3. Critical Role of Alloy Grade Selection
- Marine‑grade alloy with molybdenum – significantly strengthens protective film.
- Provides vastly superior resistance to saltwater and chemical pollutants.
- Essential for harsh environmental conditions.
4. Maintenance & Structural Integrity
- Keep free from dirt, salt, and contaminants – prevents moisture trapping and crevice corrosion.
- Regular cleaning and proper installation ensure long‑term durability.
- Maintains structural integrity and rust‑free appearance.