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Nadia Tube Fittings is a reliable manufacturer and supplier of Duplex Steel Hydraulic Fittings based in Kuala Lumpur, Malaysia. They specialize in providing top-notch solutions for high-pressure hydraulic systems that operate in tough and corrosive industrial settings. Crafted from high-quality Duplex Steel grades like S2205 and S31803, these fittings offer remarkable corrosion resistance along with impressive mechanical strength, ensuring that they perform reliably and leak-proof in critical hydraulic circuits. They are specifically designed for instrumentation, process, and industrial hydraulic applications, ensuring safe and efficient fluid transfer even under extreme conditions.
Duplex Steel Hydraulic Fittings boast exceptional mechanical properties, including high tensile and yield strength, resistance to pitting, crevice corrosion, and stress corrosion cracking, as well as stability under high pressures and temperatures. Their sturdy design guarantees secure, long-lasting connections, while precision threading and sealing technology help reduce leakage and maintenance needs. Available in a variety of configurations such as elbows, tees, reducers, couplings, adapters, and male/female connectors, these fittings meet international standards, providing versatility and reliable performance across a range of hydraulic systems.
| 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 |
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 |
| 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. |
| 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 |
| STANDARD | WERKSTOFF NR. | UNS |
|---|---|---|
| Duplex 2205 Plate | 1.4462 / 1.4462 | UNS S31803 / UNS S32205 |
Contact us to get a quick quote for your requirement.
These fittings are widely utilized in industries where durability, corrosion resistance, and safe high-pressure operation are essential. The chemical and petrochemical sectors rely on them for managing aggressive acids, solvents, and corrosive fluids, while the oil and gas industry uses them in pipelines, drilling rigs, and offshore platforms. They are also crucial in marine, power generation, pharmaceutical, and manufacturing applications, where secure, leak-proof hydraulic connections are a must. With their robust design, outstanding corrosion resistance, and precise engineering, Duplex Steel Hydraulic Fittings deliver dependable performance for today’s high-pressure hydraulic systems.
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