Located in the heart of Manama, Bahrain, Junaid Metals has built a strong reputation for supplying high-quality materials to industry. Our Duplex Steel Flat Bars are a prime example of this commitment, offering a superior solution where strength and corrosion resistance are non-negotiable. We understand the demanding environments our clients operate in, which is why we ensure our flat bars meet the highest standards, providing a reliable and durable component for your most critical projects right here in the Gulf region.
The strength of Duplex Steel lies in its balanced composition, primarily a blend of chromium, nickel, molybdenum, and nitrogen. This specific mix gives the flat bars an excellent combination of high tensile strength and impressive toughness, far surpassing common austenitic grades. They are specifically designed to perform under pressure, resisting stress cracking and wear exceptionally well. This results in a material that is not only strong but also built to maintain its integrity over a long service life.
| Size | : | 10 mm To 100 mm Dia in 100 mm TO 6000 mm Length. |
| Standard | : | ASTM A276, A479 / ASME SA276, SA479, ASTM A789 / A789M & ASTM A928 / A928M |
| Grade | : | UNS NO. S 31803, S 32205, S 32550, S 32750, S 32760. |
| Finish | : | Bright, Polish & Black |
| End | : | Flat |
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 |
| Grade | Density | Melting point | Yield strength(0.2% offset) | Tensile strength | Elongation |
|---|---|---|---|---|---|
| S32750/S32760 | 7.8g/cm3 | 1350°C(2460°F) | PSi-80000, MPa-550 | PSi-116000, MPa-800 | 15% |
To maintain Duplex Steel Flat Bars, regularly clean them to remove debris, inspect for corrosion, and apply protective coatings if necessary. Ensure proper storage to prevent exposure to harsh chemicals or extreme conditions.
Yes, Duplex Steel Flat Bars are suitable for natural gas applications due to their excellent corrosion resistance and strength, making them ideal for pipelines and equipment exposed to natural gas environments.
Duplex Steel Flat Bars are partially magnetic due to their ferritic phase. While not as magnetic as pure ferritic steels, they may exhibit some magnetic properties, especially in certain conditions.
Thanks to their robust nature, Duplex Steel Flat Bars are indispensable in challenging sectors. They are widely used in the construction of chemical processing plants, offshore oil and gas platforms, and desalination units where resistance to chloride corrosion is vital. You’ll also find them in structural components for bridges and marine environments, as well as in the pulp and paper industry. Essentially, they are the go-to choice for any application demanding a material that can withstand both aggressive chemicals and significant mechanical stress.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Junaid Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Manama, Bahrain
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