Ojas Pipes and Tubes, a well-respected name in Kolkata, India, stands out as a top manufacturer and supplier of Super Duplex Steel Rectangular Bars. These bars are crafted with remarkable metallurgical strength and outstanding corrosion resistance, making them perfect for tough industrial settings. Ojas Pipes and Tubes provides these bars in a variety of sizes and specifications, all while meeting global quality standards. With a strong dedication to excellence, precise manufacturing, and on-time delivery, the company caters to essential sectors like marine, petrochemical, and power generation. Ojas Pipes and Tubes remains a reliable partner for durable, high-performance Super Duplex Steel products.
Super Duplex Steel Rectangular Bars consist of about 24–26% chromium, 6–8% nickel, 3–5% molybdenum, along with a balanced blend of nitrogen and manganese. This unique dual-phase microstructure gives them both austenitic and ferritic traits, resulting in impressive strength and excellent corrosion resistance. Typically, their mechanical properties include a tensile strength ranging from 750–900 MPa, a yield strength of around 550 MPa, and an elongation of up to 25%. These bars show remarkable resistance to stress corrosion cracking, pitting, and crevice corrosion, making them well-suited for harsh, chloride-rich environments.
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 % |
When selecting Super Duplex Steel Rectangular Bars, consider factors like corrosion resistance, mechanical strength, operating temperature, application environment, and compliance with industry standards for optimal performance.
Yes, Super Duplex Steel Rectangular Bars can be welded using appropriate techniques such as TIG or MIG welding. However, proper heat control is necessary to maintain their corrosion resistance and mechanical properties.
Super Duplex Steel Rectangular Bars are not ideal for cryogenic applications, as their toughness and ductility may decrease at extremely low temperatures, potentially leading to brittleness in such environments.
Super Duplex Steel Rectangular Bars find extensive use in offshore oil and gas platforms, marine engineering, chemical processing plants, and desalination units, thanks to their exceptional corrosion resistance and mechanical strength. They are perfect for load-bearing applications, structural frameworks, support brackets, and machine components in challenging environments. In the pulp and paper industry, they withstand chloride-rich bleaching processes, while in power generation, they perform reliably under high pressure and temperature. The bars’ superior toughness and resistance to cracking make them a go-to choice for mission-critical applications.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Rupal Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Delhi, India
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