Dhruv Metals a leading supplier located in Hyderabad , India. The company specializes in offering high-quality metal solutions. This includes an extensive variety of duplex steel products. Among them their Duplex Steel Hollow Bar is remarkable for its excellent strength, corrosion resistance and flexibility. These hollow bars are produced from a specific combination of austenitic and ferritic stainless steel, making them perform effectively in demanding environments. We assure that our hollow bar made of duplex steel is made to deliver performance that meets all the stringent demands of various industries.
Duplex Steel Hollow Bars are high-strength, corrosion-resistant tubular products widely used in demanding environments. Composed of approximately 22-25% chromium, 4-7% nickel, 2-3% molybdenum, and a balance of iron. They offer excellent mechanical properties and superior resistance to pitting, crevice corrosion and stress corrosion cracking. The combination of austenitic and ferritic microstructures in Duplex Steel provides enhanced toughness and durability. These hollow bars are useful for applications in oil and gas, chemical processing, marine and structural industries. Their ability to perform in harsh environments, including exposure to chloride-rich settings, makes them a reliable choice for various industrial 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 : 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.
Duplex Steel Hollow Bars are widely used in industries requiring high strength, corrosion resistance, and durability. They are commonly used in the oil and gas sector for pipelines, subsea equipment and drilling components. Due to their resistance to chloride-induced stress corrosion cracking. In chemical processing, these hollow bars are ideal for heat exchangers, reactors and storage tanks exposed to aggressive chemicals. The marine industry employs them in shipbuilding and offshore structures for their excellent performance in saltwater environments. Additionally they are used in construction and structural applications, offering robust support in demanding conditions. Their versatility makes them valuable across diverse sectors.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Dhruv Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Hyderabad , India
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