Global high silicon cast iron anodes market size was valued at USD 352.7 million in 2024. The market is projected to grow from USD 378.4 million in 2025 to USD 586.9 million by 2032, exhibiting a CAGR of 6.3% during the forecast period. This growth trajectory reflects increasing demand for corrosion protection in marine infrastructure, oil & gas pipelines, and water treatment facilities across emerging and developed markets.