Home > Copper Nickel > Cupro Nickel Hydraulic Fittings
Ayten Tube Fittings, based in Addis Ababa, Ethiopia, stands out as a top-notch manufacturer and supplier of high-quality Cupro Nickel Hydraulic Fittings. This company has built a solid reputation for delivering precision-engineered products that guarantee exceptional performance, corrosion resistance, and durability, even in the toughest environments. Their Cupro Nickel Hydraulic Fittings are crafted to meet international quality standards, ensuring reliable connections in hydraulic systems used in marine, offshore, and industrial settings. With cutting-edge technology, rigorous quality control, and a dedication to excellence, Ayten Tube Fittings remains a trusted partner for fluid control and hydraulic solutions across a variety of industries.
These Cupro Nickel Hydraulic Fittings are primarily made up of 70–90% copper and 10–30% nickel, with small amounts of iron and manganese added to boost strength and corrosion resistance. They boast impressive mechanical properties, featuring a tensile strength ranging from 340–480 MPa and a yield strength of about 105–150 MPa. Plus, they maintain high ductility, toughness, and resistance to erosion, stress corrosion, and seawater degradation, ensuring they perform reliably in demanding hydraulic and marine systems.
| 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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You’ll find Cupro Nickel Hydraulic Fittings widely utilized in industries that need dependable hydraulic connections and outstanding corrosion resistance. They’re perfect for marine engineering, shipbuilding, desalination plants, and offshore oil and gas platforms. These fittings also play a crucial role in power generation, cooling systems, and chemical processing equipment. Their remarkable resistance to seawater, biofouling, and high-pressure conditions makes them ideal for hydraulic and fluid transfer systems. With Cupro Nickel Hydraulic Fittings, you can count on leak-free connections, a longer service life, and efficient operation in both industrial and marine hydraulic applications.
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