Duplex Steel Hydraulic Fittings
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Rudra Tubefittings, located in Kolkata, India, has earned a solid reputation as a reliable manufacturer and supplier of top-notch Duplex Steel Hydraulic Fittings. With a focus on precision engineering, outstanding durability, and dependable performance, this company caters to a wide range of industrial sectors that demand high-quality hydraulic connections. Their duplex steel fittings are crafted to endure high pressure, resist corrosion, and ensure long-lasting, leak-proof operation. By merging cutting-edge manufacturing techniques with strict quality control, Rudra Tubefittings guarantees that each product aligns with international standards. With a strong commitment to innovation and customer satisfaction, they have become the go-to partner for businesses in search of robust, efficient, and trustworthy hydraulic solutions.
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The Duplex Steel Hydraulic Fittings from Rudra Tubefittings are made from high-grade duplex stainless steel, which provides remarkable corrosion resistance, impressive tensile strength, and exceptional durability. These fittings boast excellent mechanical properties, such as superior yield strength, fatigue resistance, and thermal stability, enabling them to perform reliably even under extreme pressures and tough conditions. Precision machining guarantees tight tolerances and leak-proof connections, while the material’s hardness and resilience ensure long-term functionality, making these fittings perfect for critical industrial and hydraulic applications where performance and safety are crucial.
Duplex Steel Hydraulic Fittings Specifications
| DESIGN STANDARD | DIN 2353/ ISO 8434-1 |
| MATERIAL | DUPLEX 2205 |
| SERIES | LL- LOW PRESSURE , L- MEDIUM PRESSURE, S- HIGH PRESSURE |
| WORKING PRESSURE | 1 BAR TO 700 BAR |
| SIZE RANGE | 6 MM TO 42 MM |
| CONNECTIONS | TUBE TO TUBE , TUBE TO MALE THREAD , TUBE TO FEMALE THREAD , TUBE TO BUTT WELD , TUBE TO SOCKET WELD , TUBE TO JIC 37* , TUBE TO 24* CONE, TUBE TO SWIVEL END , TUBE TO ADJUSTBALE STANDPIPE |
| WELD NIPPLE TO MALE THREAD , WELD NIPPLE TO FEMALE THREAD , WELD NIPPLE TO BUTT WELD , WELD NIPPLE TO SOCKET WELD , WELD NIPPLE TO 24* CONE , WELD NIPPLE TO 37* JIC , WELD NIPPLE TO SWIVEL | |
| BODY TYPE | FORGED, BAR STOCK |
| SURFACE | EXPORT BRIGHT FINISH, SHORT BLASTED FINISH, ELECTROPLATED FINISH |
Duplex Steel Hydraulic Fittings Chemical Composition
| ELEMENT | DUPLEX 2205 | DUPLEX 31803 |
|---|---|---|
| NI | 4.50 – 6.50 | 4.50 – 6.50 |
| C | 0.030 max | 0.030 max |
| MN | 2.00 max | 2.00 max |
| P | 0.030 max | 0.030 max |
| S | 0.20 max | 0.020 max |
| SI | 1.00 max | 1.00 max |
| CR | 21.0 – 23.0 | 22.0 – 23.0 |
| MO | 2.50 – 3.50 | 3.0 – 3.5 |
| N | 0.08 – 0.20 | 0.14 – 0.20 |
| FE | 63.54 min | 63.72 min |
Duplex Steel Hydraulic Fittings Mechanical Properties
| Grade | YS (MPa) | UTS (MPa) | % Elongation | Hardness(BHN) |
| 31803 | 450 min. | 620 min. | 25 min. | 293 max. |
| 2205 | 450 min. | 655 min. | 25 min. | 293 max. |
Duplex Steel Hydraulic Fittings Physical Properties
| Density (Kg.m-1) | 7810 |
| Magnetic Permeability | <50 |
| Young’s Modulus (N/mm2) | 190 x 10^3 |
| Specific Heat, 20°C (J.Kg-1.°K-1) | 400 |
| Specific Electrical Resistance, 20°C (µO.m) | 0.85 |
| Thermal conductivity, 20°C | 15 |
| Mean coefficient of thermal expansion | 11 x 10^-6 |
Duplex Steel Hydraulic Fittings Equivalent Grade
| STANDARD | WERKSTOFF NR. | UNS |
|---|---|---|
| Duplex 2205 Plate | 1.4462 / 1.4462 |
UNS S31803 / UNS S32205 |
Top Duplex Steel Hydraulic Fittings Manufacturing Company in Kolkata
At Rudra Tube Fittings, we are the largest supplier, manufacturer, and exporter of Duplex Steel Hydraulic Fittings in Kolkata, Kolkata. Our advanced manufacturing facilities, strategically positioned in the Kolkata, enable us to deliver high-quality solutions to meet your specific requirements. With a robust inventory of over 16,000 tons of top-grade materials, we are well-equipped to fulfil your needs promptly. Our commitment to excellence and efficiency ensures we always have the available stock to support your demands.
Types of Duplex Steel Hydraulic Fittings






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We offer These Products as per DIN, ISO, JIS or ANSI Standard.
Largest Manufacturer and Supplier of Duplex Steel Hydraulic Fittings in Kolkata, Kolkata
Rudra Tube Fittings is a leading supplier and stockist of premium Duplex Steel Hydraulic Fittings in Kolkata, Kolkata. Our products are widely utilized across various industries, and we are committed to delivering exceptional service and ensuring high customer satisfaction. Our distinctive finishing techniques set us apart in the metal industry. We are dedicated to consistently providing top-quality products while effectively addressing the needs of our customers.
Duplex Steel Hydraulic Fittings Uses
Duplex Steel Hydraulic Fittings find extensive use in industries that require strong, corrosion-resistant hydraulic connections, including oil and gas, chemical processing, marine, construction, and power generation. They enable efficient fluid transfer, uphold system integrity, and prevent leaks in high-pressure situations. Rudra Tubefittings’ duplex steel fittings are available in both standard and customized configurations, making them adaptable for various hydraulic systems. By providing reliable, durable, and high-performance solutions, these fittings truly stand out in the market.



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