Louis Metals is a reliable producer and supplier of Super Duplex Steel Bright Bars from Houston, USA. With extensive experience in the metal industry, we offer high-performance bars that are recognized for their excellent strength, superior corrosion resistance, and durability. Our Super Duplex Bright Bars are produced using state-of-the-art methods to provide accurate dimensions and fine surface finishes, hence perfect for demanding engineering applications. Quality and reliability are what drive our manufacturing processes at Louis Metals, enabling us to serve the requirements of customers in marine, chemical, oil & gas, and other demanding industries.
Super Duplex Steel Bright Bars consist mainly of chromium (24–26%), nickel (6–8%), and molybdenum (3–5%), with addition of nitrogen, manganese, and iron. They show good tensile strength (up to 800 MPa), high yield strength (550 MPa min), and excellent pitting and crevice corrosion resistance. The bars show good weldability and workability even under high-stress conditions. Their mechanical stability and corrosion resistance, particularly in chloride-rich media, are improved by the two-phase microstructure (austenite-ferrite). Their thermal expansion is low, and thermal conductivity is high, which makes them suitable for severe operation environments.
| Specifications | : | ASTM A276, ASME SA276 |
| Dimensions | : | EN, DIN, JIS, ASTM, BS, ASME, AISI |
| Size | : | 6 mm to 120 mm. |
| Diameter | : | 6mm to 350mm Diameter |
| Thickness | : | 100 to 6000 mm Length |
| Tolerance | : | +/-0.2mm |
| Finish | : | Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish |
| Length | : | 1 to 6 Meters, Custom Cut Lengths |
| Form | : | Round, Square, Hex (A/F), Rectangle, Billet, Ingot, Forging Etc. |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
| S32750 | 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 |
| S32760 | 0.05 max | 1.00 max | 1.00 max | 0.030 max | 0.010 max | 24.00 – 26.00 | 3.00 – 4.00 | 6.00 – 8.00 | 0.20 – 0.30 | 57.61 min |
| Grades | Density (g/cm 3) | Density (lb/in 3) | Melting Point (°C) | Melting Point (°F) |
| S32750/S32760 | 7.8 | 0.281 | 1350 | 2460 |
The hardness of Super Duplex Steel Bright Bars typically ranges between 250-300 HB (Hardness Brinell), depending on the specific grade and heat treatment, offering excellent strength and resistance to wear and corrosion.
Yes, Super Duplex Steel Bright Bars can be recycled after use. Their high chromium and nickel content makes them highly recyclable, contributing to sustainability and reducing the need for new raw materials.
Super Duplex Steel Bright Bars are highly resistant to corrosion due to their high chromium and molybdenum content. However, in highly aggressive environments, additional coatings may be applied for extra protection.
Super Duplex Steel Bright Bars are applied in various industries where strength and corrosion resistance are important. They are commonly used in offshore platforms for oil drilling, heat exchangers, marine parts, desalination plants, and chemical process equipment. These bars are equally suitable for application in pressure vessels, subsea equipment, and heat condensers where chloride-induced stress corrosion cracking resistance is a critical requirement. The smooth surface finish and high dimensional accuracy of the bars render them suitable for precision machining and high-load mechanical components. With long service life and low maintenance requirements, Super Duplex Bright Bars can be counted upon for severe and challenging industrial environments.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Louis Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Houston, USA
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