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MESCO High Nitrogen Stainless Steel
MESCO High Nitrogen Stainless Steel is a premium specialty alloy material manufactured using proprietary patented smelting and heat treatment technologies. Through innovative top-ladle nitrogen blowing + catalytic nitrogen fixation + digital model intelligent alloy composition control, MESCO has overcome industry bottlenecks of low nitrogen content and limited product variety. Product performance meets world-class standards, with strength 2–3 times that of conventional stainless steel and corrosion resistance over 3 times that of 300-series grades. Widely adopted in aerospace, marine engineering, oil drilling, chemical processing, defense, and medical device manufacturing. Tensile strength up to 2,000 MPa; yield strength exceeding 1,850 MPa. Ideal for high-load structural applications. Seawater corrosion resistance over 3x that of 300-series stainless steel. Duplex grades achieve PRE > 42. Austenitic grades are completely non-magnetic. Martensitic grades retain stability at 500°C with excellent wear resistance. Three specialized high nitrogen stainless steel grades for demanding applications X40CrMoVN16-2 / UNS S42025 / 1.4123 Applications: Premium cutlery, aerospace bearings, mining screen mesh, high-load wear components. X8CrMnMoN18-18-2 / P900NMo / 1.4456 Applications: Generator rings, chemical pipelines, non-magnetic drill collars, LWD housings, marine engineering, medical devices. X2CrNiMoN25-7-4 / UNS S32750 / 1.4410 Applications: Oil & gas equipment, seawater desalination, subsea systems, heat exchangers, corrosive piping. Patent CN202011370569.9. MESCO employs top-ladle nitrogen blowing combined with catalytic nitrogen fixation and a digital model for intelligent alloy composition control. This breakthrough achieves nitrogen levels far exceeding the domestic ceiling of 0.2%, reaching international leadership levels. Patent CN202010527774.5. The composite QPA (Quenching & Partitioning & Austempering) process produces micro/nano-scale microstructures forming multi-phase clusters with differentiated strength and toughness for coordinated hardening and toughening. Interested in MESCO High Nitrogen Stainless Steel? Contact us today for technical specifications, samples, or a quotation.Ultra-High Strength
Superior Corrosion Resistance
Non-Magnetic / High-Temperature
Product Series
High Nitrogen Martensitic SS
High Nitrogen Austenitic SS
Super Duplex Stainless Steel
Core Technology Advantages
Proprietary Smelting Technology
QPA Heat Treatment Process
Industries Served
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