Anucha Metals is a well-respected manufacturer and supplier of Duplex Steel Square Bars based in Bangkok, Thailand. They pride themselves on delivering top-notch products that cater to a variety of industrial needs. The Duplex Steel Square Bars from Anucha Metals are celebrated for their remarkable strength, toughness, and outstanding resistance to corrosion, making them ideal for even the toughest environments. Thanks to their state-of-the-art manufacturing facilities, rigorous quality control, and a talented workforce, the company guarantees precision, durability, and reliability in every single product. They serve a range of industries, including oil & gas, marine, chemical, and construction, establishing themselves as a trusted provider of Duplex Steel Square Bars in global markets.
These bars are crafted from a well-balanced microstructure of ferrite and austenite, infused with chromium (22–25%), nickel (4–6%), molybdenum (3–5%), and nitrogen to boost their durability. They boast high tensile and yield strength, nearly double that of standard stainless steels, along with excellent resistance to pitting, crevice corrosion, and stress corrosion cracking. Even in extreme temperatures and chloride-rich environments, they maintain good weldability, fatigue resistance, and toughness. Duplex Steel Square Bars promise long-lasting reliability and performance, making them a go-to choice for critical applications in demanding industrial settings.
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 : Square
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 % |
Duplex Steel Square Bars are generally not ideal for cryogenic applications. Their performance may deteriorate at extremely low temperatures, making materials like austenitic stainless steel more suitable for such conditions.
To choose the right Duplex Steel Square Bar, consider factors such as the required strength, corrosion resistance, temperature conditions, and industry-specific demands. Ensure compatibility with your application’s mechanical and environmental requirements.
Yes, Duplex Steel Square Bars require regular inspection, especially in harsh environments. Checking for signs of corrosion, wear, or structural integrity ensures they continue performing optimally in critical applications.
Their exceptional blend of strength and corrosion resistance makes Duplex Steel Square Bars a popular choice across various industries. In the oil & gas sector, they find use in pipelines, subsea equipment, and offshore platforms. In marine applications, they are essential for ship components, propeller shafts, and seawater handling systems. The chemical and petrochemical industries rely on them for pressure vessels, heat exchangers, and reactors. In construction, they are vital for load-bearing frameworks and bridges. Additionally, Duplex Steel Square Bars are utilized in pulp & paper, desalination, and food processing industries.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Anucha Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Bangkok, Thailand
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