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Based in Cairo, Egypt, Gabriel Tube Fittings stands out as a top manufacturer and supplier of **Super Duplex Steel Hydraulic Fittings**, specifically designed for high-pressure and corrosive settings. These fittings are crafted to provide outstanding strength, secure sealing, and long-lasting performance, making them perfect for demanding hydraulic systems found in offshore, petrochemical, and marine environments. Built to adhere to global quality standards, Gabriel’s Super Duplex hydraulic fittings boast exceptional resistance to stress corrosion, pitting, and erosion, ensuring they are the go-to choice for critical operations where safety and reliability are paramount.
Typically, Super Duplex Steel Hydraulic Fittings are constructed from grades like **UNS S32750** or **UNS S32760**, which feature a unique dual-phase microstructure of austenite and ferrite. This composition grants them remarkable mechanical properties, including impressive tensile strength (up to 800 MPa) and outstanding resistance to chloride-induced stress corrosion cracking. Additionally, these fittings exhibit excellent fatigue resistance, making them well-suited for high-vibration hydraulic systems. Their low thermal expansion and superb weldability further enhance their performance in extreme pressure and temperature scenarios. The material’s natural corrosion resistance ensures a long service life, even in seawater and chemically aggressive environments.
| DESIGN STANDARD | DIN 2353/ ISO 8434-1 |
| MATERIAL | SUPER DUPLEX UNS S32750, UNS S32760 |
| 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 |
| Grade | S32750 | S32760 |
| C | 0.030 max | 0.05 max |
| Mn | 1.20 max | 1.00 max |
| Si | 0.80 max | 1.00 max |
| P | 0.035 max | 0.030 max |
| S | 0.020 max | 0.010 max |
| Cr | 24.00 – 26.00 | 24.00 – 26.00 |
| Mo | 3.00 – 5.00 | 3.00 – 4.00 |
| Ni | 6.00 – 8.00 | 6.00 – 8.00 |
| N | 0.24 – 0.32 | 0.20 – 0.30 |
| Fe | 58.095 min | 57.61 min |
| Density (g/cm 3) | 7.8 |
| Density (lb/in 3) | 0.281 |
| Melting Point (°C) | 1350 |
| Melting Point (°F) | 2460 |
| STANDARD | WERKSTOFF NR. | UNS |
| Super Duplex 2507 | 1.4410 | S32750 |
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Super Duplex Steel Hydraulic Fittings find extensive use in hydraulic systems for offshore drilling rigs, subsea equipment, desalination plants, chemical refineries, and power generation facilities. They play a crucial role in connecting and sealing high-pressure lines, managing fluid flow, and guaranteeing leak-proof performance under challenging service conditions. With their impressive strength-to-weight ratio and corrosion resistance, these fittings are truly indispensable in the industry.
Super duplex steel hydraulic fittings are widely used in applications where high strength and exceptional corrosion resistance are required. They are ideal for oil and gas applications, especially in offshore drilling, where harsh marine environments are common. These products are used in chemical plants, petrochemical refineries and energy production to ensure integration with high pressure systems in addition to using super duplex steel hydraulic fittings in pulp and paper plants and desalination plants types, where Durability and resistance to aggressive chemicals are important for operational efficiency.
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