Neil Metals, located in Kolkata, India, has earned a solid reputation as a reliable manufacturer and supplier of top-notch Super Duplex Steel Hex Bars. Known for their outstanding quality and precision, Neil Metals makes sure that every hex bar adheres to strict industry standards. Thanks to their cutting-edge production methods and rigorous quality checks, the company consistently delivers durable and dependable products across various industrial sectors. Their dedication to excellence and prompt delivery has made them a go-to choice for clients looking for high-performance Super Duplex Steel Hex Bars, both in India and internationally.
Super Duplex Steel Hex Bars are primarily made up of around 22-25% chromium, 4-6% nickel, 3-5% molybdenum, along with trace amounts of nitrogen and other elements. This unique blend gives them remarkable corrosion resistance and impressive strength. In terms of mechanical properties, these hex bars boast a tensile strength ranging from about 750-900 MPa and a yield strength of 450-650 MPa, all while maintaining good toughness and ductility, making them perfect for demanding applications.
Standards : EN, DIN, JIS, ASTM, BS, ASME, AISI
Size : 10 mm To 100 mm Dia in
Length : 100 mm TO 6000 mm Length.
Specifications : ASTM A276, A479 / ASME SA276, SA479
Form : Rectangular
Finish : Bright, Polish & Black
Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
S31803 | 0.030 max | 2.00 max | 1.00 max | 0.030 max | 0.020 max | 22.0 – 23.0 | 3.0 – 3.5 | 4.50 – 6.50 | 0.14 – 0.20 | 63.72 min |
S32205 | 0.030 max | 2.00 max | 1.00 max | 0.030 max | 0.020 max | 21.0 – 23.0 | 2.50 – 3.50 | 4.50 – 6.50 | 0.8 – 0.20 | 63.54 min |
| S31803 / S32205 | Density | Melting Point | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
| 7.8 g/cm3 | 1350 °C (2460 °F) | Psi – 80000 , MPa – 550 | Psi – 116000 , MPa – 800 | 15 % |
Yes, Duplex Steel Hex Bars are fully recyclable. They can be melted down and reused without losing their essential properties, making them an environmentally sustainable option for various applications.
Duplex Steel Hex Bars have inherent corrosion resistance due to their composition. However, in highly aggressive environments, additional coatings or treatments may be necessary to enhance their longevity and performance.
To choose the right Duplex Steel Hex Bar, consider factors such as mechanical strength, corrosion resistance, temperature conditions, and compatibility with your application’s specific industry standards and environmental factors.
These Super Duplex Steel Hex Bars find extensive use in chemical processing, marine engineering, the oil and gas sector, and desalination plants. Their exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking makes them ideal for tough environments. They’re commonly used in the production of valves, flanges, pumps, and fasteners that require both strength and corrosion resistance to ensure long-lasting durability and safety.
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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