Your trusted partner for high-performance Duplex & Super Duplex Stainless Steel! At Eastern United Company, we specialize in supplying premium-grade Duplex and Super Duplex stainless steel materials, ensuring exceptional strength, corrosion resistance, and reliability for critical applications across various industries. Our Duplex and Super Duplex grades offer superior mechanical properties, excellent resistance to stress corrosion cracking, and outstanding weldability, making them the ideal choice for high-demand environments.
Specifications:
- Grades Available:
- Duplex Stainless Steel: UNS S31803 / S32205 (2205)
- Super Duplex Stainless Steel: UNS S32750 / S32760 (2507)
- Forms Available: Sheets, Plates, Rods, Bars, Strips, Pipes, Tubes, Coils, Wires, Angles, Flats, Fittings, and Flanges
- Chemical Composition (Typical Values): Element Duplex (2205) Super Duplex (2507) Chromium (Cr) 21 – 23% 24 – 26% Nickel (Ni) 4.5 – 6.5% 6 – 8% Molybdenum (Mo) 2.5 – 3.5% 3 – 5% Nitrogen (N) 0.08 – 0.2% 0.24 – 0.32% Carbon (C) Max 0.03% Max 0.03%
- Manufacturing Standards:
- ASTM A182, ASTM A240, ASTM A276, ASTM A789, ASTM A790, ASTM A815, ASME SA240, EN 10088, NACE MR0175
Key Properties of Duplex & Super Duplex Stainless Steel:
✔ High Strength & Durability – Stronger than standard austenitic stainless steels
✔ Superior Corrosion Resistance – Excellent performance in harsh and chloride-rich environments
✔ Outstanding Stress Corrosion Cracking Resistance – Ideal for marine, offshore, and chemical applications
✔ Good Weldability & Machinability – Suitable for complex fabrication and construction
✔ Excellent Pitting & Crevice Corrosion Resistance – Essential for high-pressure and high-temperature applications
Features & Benefits:
✔ Dual-Phase Microstructure – Combines austenitic and ferritic properties for enhanced performance
✔ Exceptional Mechanical Properties – Higher tensile and yield strength than conventional stainless steels
✔ Increased Toughness & Impact Resistance – Suitable for low-temperature applications
✔ Extended Service Life – Ensures long-term reliability with minimal maintenance
✔ Customizable Sizes & Forms – Tailored solutions to fit your project specifications
Applications:
🔹 Oil & Gas Industry: Used in offshore platforms, pipelines, subsea equipment, and heat exchangers
🔹 Marine & Shipbuilding: Ideal for hulls, propellers, desalination plants, and seawater piping systems
🔹 Chemical & Petrochemical Processing: Applied in reactors, storage tanks, and process vessels
🔹 Pulp & Paper Industry: Utilized in digesters, bleaching towers, and recovery boilers
🔹 Water Treatment & Desalination Plants: Resistant to chloride-induced corrosion in seawater applications
🔹 Power Generation & Renewable Energy: Essential for nuclear, geothermal, and hydroelectric plants
🔹 Structural & Industrial Engineering: Preferred for high-strength components in bridges, cranes, and heavy machinery
Why Choose Eastern United Company’s Duplex & Super Duplex Stainless Steel?
🔹 Unmatched Quality & Performance: Compliant with international standards
🔹 Customized Solutions: Available in various sizes, thicknesses, and finishes
🔹 Reliable Supply Chain: Fast global shipping to meet project timelines
🔹 Expert Technical Support: Dedicated team to assist with material selection and project requirements
🚀 Get the best Duplex & Super Duplex Stainless Steel solutions with Eastern United Company!
📞 Contact us today to discuss your needs and receive a customized quote!