Sahil Metals, located in Riyadh, Saudi Arabia, is a reputable manufacturer and supplier of corrosion-resistant stainless steel products that are built for high strength and durability in tough environments. Among their top-tier offerings are **Duplex Steel Bars and Rods**, known for their exceptional mechanical properties and outstanding corrosion resistance, making them ideal for critical applications in the oil & gas, marine, petrochemical, and construction sectors across Saudi Arabia and the GCC.
**Duplex Steel Bars and Rods** are generally produced using grades like UNS S31803 and S32205, which boast a well-balanced austenitic-ferritic microstructure. This unique dual-phase composition provides high yield strength—almost double that of standard austenitic stainless steels—along with excellent resistance to stress corrosion cracking, pitting, and crevice corrosion, particularly in chloride-rich environments. These bars and rods also offer good weldability, fatigue strength, and dimensional stability under high pressure and temperature.
| Grade | C | Mn | S | Cr | P | Si | Fe | Mo | Ni | N |
|---|---|---|---|---|---|---|---|---|---|---|
| S31803 | 0.030 | 2.00 | 0.020 | 22.0 – 23.0 | 0.030 | 1.00 | 63.72 min | 3.0 – 3.5 | 6.50 | 0.20 |
| S32205 | 2.50 – 3.50 | 0.8 |
| Grade | Hardness | Tensile Strength | Melting Point | Yield Strength | Density | Elongation |
|---|---|---|---|---|---|---|
| S31803 | 255 | 800 Mpa | 1350 °C (2460 °F) | 450 Mpa | 7.8 g/cm3 | 35 |
| S32205 |
| EN/ DIN/ WNR | 10088-3 |
|---|---|
| AFNOR | Z2CND22.05Az |
| BS (CAST) | 332C15 |
| UNS |
|
| WNR | 1.4462 |
| BS (WROUGHT) | 318S13 |
Yes, Duplex Steel Bars offer excellent corrosion resistance, particularly against stress corrosion cracking, pitting, and crevice corrosion. Their dual-phase microstructure enhances their resistance in harsh environments.
Duplex steel bars perform well in high-temperature environments due to their excellent strength and resistance to oxidation and scaling. Their dual-phase microstructure enhances thermal stability and durability under heat stress.
Yes, duplex steel rods can be customized in size and length to meet specific application requirements. They can be tailored to various dimensions and tolerances for different industries.
**Applications** for Duplex Steel Bars and Rods include structural frameworks, fasteners, shafts, components for pumps and valves, parts for heat exchangers, and pressure vessels. Their blend of high mechanical strength and remarkable corrosion resistance makes them a go-to choice for offshore platforms, desalination plants, and aggressive chemical processing systems. Duplex bars and rods ensure long-lasting durability, lower maintenance needs, and superior performance in extreme conditions.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Sahil Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Riyadh, Saudi Arabia
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