Anucha Metals is a reliable manufacturer and supplier of Duplex Steel Hex Bars based in Bangkok, Thailand. We pride ourselves on delivering top-notch stainless steel products that are built for exceptional strength, durability, and resistance to corrosion. Our duplex steel hex bars are highly regarded for their unique dual-phase microstructure, which merges the robust qualities of ferritic stainless steel with the corrosion resistance found in austenitic grades. Crafted in line with international standards, these bars boast impressive tensile strength, outstanding toughness, and resistance to stress corrosion cracking. Anucha Metals caters to various industries, including marine, chemical processing, oil and gas, desalination, and general engineering, providing high-performance duplex steel solutions.
These Duplex Steel Hex Bars are made from a well-balanced blend of chromium, nickel, and molybdenum, which grants them exceptional resistance to pitting, crevice corrosion, and chloride-induced stress corrosion cracking. Thanks to their dual-phase structure, they offer greater strength compared to standard stainless steels while still ensuring good toughness and weldability. These bars showcase remarkable tensile and yield strength, dependable fatigue resistance, and stability even in extreme conditions, making them a versatile option for critical applications.
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 : Rectangular
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 Hex Bars are fully recyclable. They can be melted down and reused without losing their essential properties, making them an environmentally sustainable option for various applications.
Duplex Steel Hex Bars have inherent corrosion resistance due to their composition. However, in highly aggressive environments, additional coatings or treatments may be necessary to enhance their longevity and performance.
To choose the right Duplex Steel Hex Bar, consider factors such as mechanical strength, corrosion resistance, temperature conditions, and compatibility with your application’s specific industry standards and environmental factors.
Duplex Steel Hex Bars find extensive use in industries that require strength, durability, and corrosion resistance. In marine and offshore settings, they are utilized for shafts, fasteners, and structural components that come into contact with seawater. The chemical and petrochemical sectors use them in processing equipment, heat exchangers, and piping systems that handle aggressive media. Desalination plants depend on them for evaporators and brine heaters, while the oil and gas industry employs them in subsea and refinery applications. Their exceptional blend of mechanical strength, corrosion resistance, and cost-effectiveness makes duplex steel hex bars a top choice for demanding industrial environments.
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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