Isis Metals stands out as a top manufacturer and supplier of **Duplex Steel Bright Bars** right from the heart of Manila, Philippines. They pride themselves on delivering high-quality stainless steel products that are built to last, offering exceptional strength, corrosion resistance, and a stunning surface finish. Thanks to their cutting-edge production technology and strict quality control measures, Isis Metals guarantees that every bright bar meets international standards for precision and performance. These bars are polished to perfection, resulting in a smooth, bright surface that’s perfect for high-strength applications that also demand a visually appealing look. Renowned for their durability and versatility, Duplex Steel Bright Bars from Isis Metals are a trusted choice in marine, chemical, and industrial sectors both in the Philippines and beyond.
When it comes to composition, **Duplex Steel Bright Bars** contain about 22% chromium, 5–6% nickel, 3% molybdenum, and 0.14% nitrogen, with the rest being iron. This unique duplex microstructure, which blends austenitic and ferritic phases, offers impressive tensile strength (620–850 MPa), excellent resistance to pitting and crevice corrosion, and outstanding protection against stress corrosion cracking. Plus, the material retains good toughness, weldability, and dimensional stability, even in high-pressure and elevated-temperature situations. Its bright, polished finish not only looks great but also enhances resistance to oxidation.
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 : Bright
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 % |
Yes, Duplex Steel Bright Bars are suitable for natural gas applications due to their excellent corrosion resistance, high strength, and durability, making them ideal for pipelines and gas processing systems.
Yes, Duplex Steel Bright Bars are suitable for hygienic and sanitary applications due to their corrosion resistance, cleanability, and ability to withstand harsh environments, making them ideal for food and pharmaceutical industries.
**Duplex Steel Bright Bars** are a go-to choice in industries that require both top-notch corrosion resistance and an attractive surface finish. They shine in applications across chemical processing, oil and gas, marine, and desalination sectors, including uses in pump shafts, fasteners, valves, and fittings. Additionally, these bars find their place in construction, paper, and food processing industries for components that face chlorides and harsh environments. With their combination of high strength, durability, and polished appearance, Duplex Steel Bright Bars are the preferred option for structural, mechanical, and decorative engineering projects.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Isis Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Manila, Philippines
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