Home > Copper Nickel > Cupro Nickel Hydraulic Fittings
Jassem Tube Fittings stands out as a trusted manufacturer and supplier based in Doha, Qatar, focusing on high-performance hydraulic and piping solutions tailored for demanding industries. Their Cupro Nickel Hydraulic Fittings are crafted to provide exceptional strength, leak-proof connections, and impressive corrosion resistance. Built to meet international standards, these fittings excel in marine, offshore, and industrial hydraulic systems. Jassem Tube Fittings plays a vital role in supporting sectors like oil & gas, shipbuilding, power, and desalination by delivering robust Cupro Nickel Hydraulic Fittings that guarantee operational safety, longevity, and reliable performance even in tough environments.
Cupro Nickel Hydraulic Fittings are made from copper-nickel alloys, typically in 90/10 or 70/30 grades, with small amounts of iron and manganese added to boost mechanical strength and corrosion resistance. This alloy is renowned for its remarkable resistance to seawater corrosion, erosion, and biofouling. On the mechanical side, it offers solid tensile strength, toughness, and ductility, allowing the fittings to endure high hydraulic pressures and vibrations. The material also ensures dimensional stability and dependable sealing across a range of temperature and pressure conditions.
| DESIGN STANDARD | DIN 2353/ ISO 8434-1 |
| MATERIAL | CUNI 90/10 & CUNI 70/30 |
| WORKING PRESSURE | (LOW) LL SERIES – 100 BAR |
| (MEDIUM)L SERIES – 100 BAR TO 500 BAR | |
| (HEAVY)S SERIES – 200 BAR TO 800 BAR | |
| SIZE RANGE | LL SERIES – 4LL TO 12LL |
| L SERIES – 6L TO 42L | |
| S SERIES – 6S TO 38S | |
| 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 | NATURAL FINISH |
| TEMPERATURE | CUPRO NICKEL – (-60*C TO 175*C) |
| Grade | Cu | Mn | Pb | Ni | Fe | Zn |
| Cupro Nickel 70/30 | 65 min | 1.0 max | 0.05 max | 29-33 max | 0.4-1.0 max | 1 max |
| Cupro Nickel 90/10 | 88.6 min | 1.0 max | 0.05 max | 9-11 max | 1.8 max | 1 max |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 0.323 lb/in3 at 68 F | 2260 F | 50000 psi | 20000 psi | 30 % |
| 0.323 lb/in3 at 68 F | 2260 F | 50000 psi | 20000 psi | 30 % |
| STANDARD | WERKSTOFF NR. | UNS |
| Cupro Nickel 70/30 | 2.0882 | C71500 |
| Cupro Nickel 90/10 | 2.0872 | C70600 |
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Cupro Nickel Hydraulic Fittings find extensive use in hydraulic systems that operate in corrosive and marine settings. Common applications include offshore platforms, shipboard hydraulic lines, seawater hydraulic systems, and coastal industrial facilities. They are also essential in oil & gas processing, power generation, and desalination plants where corrosion resistance is paramount. These fittings provide secure, leak-proof connections, minimize maintenance needs, and boost system reliability. Their durability and resistance to harsh conditions make them a go-to choice for ensuring efficient and safe operations.
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