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The global super duplex stainless steel (SDSS) market is entering a new growth phase as demand expands beyond its traditional base in offshore oil & gas and chemical processing. Known for high strength and exceptional corrosion resistance, SDSS is increasingly being specified for harsh, chloride-rich environments where failure risks are costly.
From 2026 to 2035, growth is expected to be powered by energy-transition projects—especially offshore wind farms, carbon capture (CCUS) infrastructure, and blue/green hydrogen facilities. At the same time, established uses such as desalination, marine engineering, and seawater-handling systems continue to grow as water scarcity and coastal development drive new builds.
Oil & gas remains a major end-use, particularly in deepwater and sour-service fields where SDSS is needed for subsea equipment, flowlines, and topside components. But the market is gradually diversifying, with clean-energy capex set to play a larger role later in the forecast period.Key challenges include the higher upfront cost versus standard grades, specialized fabrication requirements (especially welding and heat treatment), and price volatility in alloying elements like nickel, chromium, and molybdenum. Even so, SDSS often wins on lifecycle value thanks to durability, safety, and lower maintenance in extreme operating conditions.
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