Al Summan Metals, headquartered in Dubai, UAE, distinguishes itself as a leading manufacturer and supplier of Duplex Steel Round Bars, recognized for their outstanding strength, corrosion resistance, and enduring durability. Through the use of advanced manufacturing technology and strict quality control, Al Summan Metals ensures that every Duplex Steel Round Bar meets international standards, delivering dependable performance even in the harshest industrial conditions. These round bars combine the finest qualities of austenitic and ferritic stainless steels, providing exceptional toughness, resistance to stress corrosion, and superior weldability. Al Summan Metals delivers precision-engineered duplex steel solutions that are ideal for chemical, petrochemical, marine, and offshore applications, where high performance and durability are essential.
Duplex Steel Round Bars are made up of roughly 22% chromium, 5–6% nickel, 3% molybdenum, and mostly iron, together with small quantities of nitrogen and additional alloying elements. This distinctive combination delivers remarkable mechanical strength, toughness, and exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking. Regarding mechanical properties, these round bars feature a tensile strength between 700 and 900 MPa, yield strength from 450 to 550 MPa, and elongation of 25 to 30%. They also exhibit superb ductility, fatigue resistance, and weldability, which makes them well suited for demanding industrial and structural uses.
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 :Round
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 % |
Choosing the appropriate Duplex Steel Round Bars means weighing aspects such as resistance to corrosion, mechanical strength, temperature environments, and the particular needs of your industry. Refer to material specifications and seek expert guidance for the best choice.
Duplex Steel grades frequently used in round bar production include 2205 (F51), 2507 (F53), and 2304, with each providing different degrees of corrosion resistance, strength, and weldability suited to particular applications.
Yes, Duplex Steel Round Bars can be completely recycled. Their premium composition means they can be repurposed across different industries without sacrificing performance or structural integrity.
Duplex Steel Round Bars are widely applied across the chemical, petrochemical, marine, and offshore industries thanks to their superior strength, resistance to corrosion, and long service life. Common uses cover pump shafts, valves, fasteners, heat exchangers, pressure vessels, and structural parts exposed to severe and corrosive settings. They are also employed in seawater systems, oil and gas platforms, and heavy machinery where robust mechanical strength and corrosion resistance are essential. With Duplex Steel Round Bars, you can rely on durable performance, dependability, and structural integrity in tough industrial conditions.
We offer products supplied with both mill test certificates and third-party test certificates, guaranteeing the highest standards of quality and compliance.
Al Summan Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Dubai, UAE
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