Semih Metals, located in Istanbul, Turkey, has earned a solid reputation as a reliable manufacturer and supplier of top-notch Super Duplex Steel Round Bars, catering to industries around the globe. With a strong focus on precision engineering and a commitment to international quality standards, Semih Metals delivers round bars that boast exceptional strength, toughness, and impressive corrosion resistance. These Super Duplex Steel Round Bars are specifically crafted for demanding industrial applications where reliability and durability are paramount. Thanks to their state-of-the-art production facilities and unwavering dedication to quality, Semih Metals guarantees consistent performance, precise dimensions, and timely delivery, providing trustworthy steel solutions for industries that operate in harsh and high-pressure environments.
The composition of Super Duplex Steel Round Bars features a well-balanced microstructure of austenite and ferrite, enriched with high levels of chromium (24–26%), nickel (6–8%), molybdenum (3–5%), tungsten, and nitrogen. This distinctive chemical makeup offers remarkable resistance to pitting, crevice corrosion, and stress corrosion cracking, particularly in chloride-rich and acidic settings. Their mechanical properties include a high tensile strength of around 800–880 MPa, yield strength of about 550 MPa, and excellent toughness even in sub-zero temperatures. This combination of high mechanical strength and corrosion resistance ensures that they remain reliable and long-lasting in critical applications.
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 % |
Yes, Super Duplex Steel Round Bars can withstand moderately high temperatures but are not ideal for prolonged use above 300°C, as this may reduce their corrosion resistance and mechanical properties.
Yes, Super Duplex Steel Round Bars are highly recyclable. Their materials, including chromium, nickel, and molybdenum, can be reused, promoting sustainability and reducing waste in industrial applications.
No, Super Duplex Steel Round Bars typically do not require additional corrosion protection coatings, as their high chromium, molybdenum, and nitrogen content provides excellent inherent corrosion resistance in harsh environments.
Super Duplex Steel Round Bars find extensive use in the oil and gas, chemical processing, marine, desalination, and power generation sectors. They are perfect for manufacturing shafts, fasteners, flanges, structural components, and pump parts that are exposed to harsh chemicals and seawater. Their outstanding durability minimizes downtime and maintenance, guaranteeing a long service life. Semih Metals’ Super Duplex Steel Round Bars offer robust, corrosion-resistant, and high-performance solutions for industries that demand strong, dependable materials in challenging operating conditions.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Semih Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Istanbul, Turkey
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