Luois Metals is a top-notch manufacturer and supplier of Super Duplex Steel Flat Bars, proudly based in Houston, USA. Known for their high-performance metal products, the company offers premium Super Duplex Steel Flat Bars that adhere to strict international standards. With a strong focus on quality and customer satisfaction, Luois Metals caters to a variety of industries, including oil and gas, marine, and chemical processing. Their cutting-edge manufacturing processes and extensive inventory guarantee timely deliveries and customization to meet client needs. Supported by a skilled team and modern facilities, Luois Metals has established itself as a reliable source for durable and corrosion-resistant flat bar solutions.
Super Duplex Steel Flat Bars are primarily made up of chromium (24–26%), nickel (6–8%), molybdenum (3–5%), and nitrogen, which together provide outstanding corrosion resistance and strength. These bars boast impressive mechanical properties, featuring a tensile strength of 750 MPa and a yield strength of 550 MPa. They also maintain high impact toughness, even in freezing temperatures. Thanks to their dual-phase microstructure, they offer enhanced resistance to stress corrosion cracking and pitting. With excellent weldability and formability, Super Duplex Flat Bars are perfect for challenging environments where both mechanical strength and corrosion resistance are essential.
| 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 |
| Tensile Strength | 90,000 psi |
| Yield Strength | 50,000 psi |
| Elongation In 2” | 20% |
Reduction of Area | 30% |
Brlnell Hardness | 180-220 |
| 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 Flat Bars are highly recyclable. Due to their composition and durability, they can be reused in various industries without compromising their properties or performance.
Super Duplex Steel Flat Bars are generally not suitable for cryogenic applications due to their brittleness at extremely low temperatures. Materials like austenitic stainless steel are often preferred for such uses.
Yes, Super Duplex Steel Flat Bars are suitable for underground applications due to their excellent corrosion resistance, especially in harsh, corrosive environments such as soil or groundwater exposure.
These bars are widely utilized in highly corrosive settings, such as offshore oil platforms, subsea equipment, and marine applications, due to their exceptional resistance to chloride stress corrosion. They’re also commonly found in the chemical processing industry, serving in heat exchangers, pressure vessels, and storage tanks. In the power generation and desalination fields, these bars are favored for their high strength and resistance to erosion and fatigue. Their remarkable mechanical and corrosion-resistant properties make them ideal for structural applications, bridges, and components that face harsh industrial conditions.
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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