Anucha Metals stands out as a top manufacturer and supplier of Duplex Steel Hollow Bars right in the heart of Bangkok, Thailand. They’re known for delivering high-quality duplex stainless steel products that boast remarkable strength, corrosion resistance, and durability. These hollow bars are crafted with a unique dual-phase structure of austenite and ferrite, which gives them impressive mechanical properties, excellent resistance to pitting and crevice corrosion, and outstanding performance even in harsh chemical and marine environments. Anucha Metals is committed to precision manufacturing, ensuring consistent quality and a smooth surface finish, making their duplex steel hollow bars perfect for critical industrial and engineering applications.
The composition of Duplex Steel Hollow Bars mainly includes chromium, nickel, and molybdenum, along with added nitrogen and manganese to boost corrosion resistance and mechanical strength. This blend results in high tensile and yield strength, exceptional toughness, and superior fatigue resistance. The dual-phase structure also guarantees thermal stability, good weldability, and reliable performance under high-stress and high-pressure situations.
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 : Hollow
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 Hollow Bars can be recycled after use. Their high metal content makes them suitable for reuse in various industrial processes, promoting sustainability and resource efficiency.
Yes, Duplex Steel Hollow Bars are suitable for cryogenic applications due to their excellent toughness, strength, and resistance to brittle fracture at extremely low temperatures.
Yes, Duplex Steel Hollow Bars can be used for underground applications due to their high corrosion resistance, strength, and durability, even in harsh and moisture-prone environments.
These hollow bars find their place in various applications, including chemical processing equipment, heat exchangers, desalination plants, pumps, valves, marine hardware, and pressure vessels, where strength and corrosion resistance are crucial. Their blend of mechanical performance, durability, and resistance to aggressive environments makes Duplex Steel Hollow Bars a go-to choice for demanding industrial applications.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
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