Neil Metals, a reputable manufacturer and supplier with headquarters in Kolkata, India, provides high-performance Super Duplex Steel Rectangular Bars that are renowned for their exceptional durability, strength, and resistance to corrosion. Our Super Duplex Rectangular Bars are made with premium materials and cutting-edge manufacturing techniques to withstand the most demanding industrial conditions. These bars are perfect for offshore, chemical, and marine applications because of their exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking. Every order from Neil Metals is delivered with quality, accuracy, and dependability, satisfying client requirements and international standards while providing prompt delivery and customer-focused service in India and abroad.
The typical composition of Super Duplex Steel Rectangular Bars is 6–8% nickel, 3–5% molybdenum, 24–26% chromium, and trace amounts of iron, manganese, and nitrogen. Excellent mechanical strength (tensile strength of approximately 750–900 MPa), high yield strength, and exceptional resistance to corrosion and stress cracking are all provided by this dual-phase microstructure. Even in harsh conditions, the material provides good weldability and increased fatigue strength. Because of these characteristics, Super Duplex steel can be used in high-load, high-corrosion applications where toughness and durability are crucial, particularly in environments with a lot of chloride or chemicals that react easily.
Specifications : ASTM A276, ASME SA276
Standard : ASTM, ASME
Size : 6 mm to 120 mm.
Length : 1 to 6 Meters, Custom Cut Lengths
Dimensions : EN, DIN, JIS, ASTM, BS, ASME, AISI
| Material | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
| Super Duplex Steel | 0.030 max | 1.20 max | 0.80 max | 0.035 max | 0.020 max | 24.00 – 26.00 | 3.00 – 5.00 | 6.00 – 8.00 | 0.24 – 0.32 | 58.095 min |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 7.8 g/cm3 | 1350 °C (2460 °F) | Psi – 80000 , MPa – 550 | Psi – 116000 , MPa – 800 | 15 % |
Super Duplex Steel Rectangular Bars are used extensively in industries that need to be strong and resistant to corrosion in challenging conditions. Because of their exceptional resistance to corrosion caused by chloride, they are crucial in desalination plants, offshore oil and gas platforms, and marine applications. These bars are utilised for process piping, heat exchangers, and pressure vessels in the chemical and petrochemical industries. They are also appropriate for bridges, infrastructure subjected to harsh environments, and structural and supporting elements in building. Super Duplex rectangular bars guarantee long-term performance in demanding applications with little maintenance thanks to their high mechanical strength and exceptional durability.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Neil Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Kolkata, India
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