Home > Copper Nickel > Cupro Nickel Hydraulic Fittings
Ayhan Tube Fittings is a leading manufacturer and supplier of Copper Nickel Hydraulic Fittings in Istanbul, Turkey. Known for their exceptional quality and reliability. Our fittings are specifically designed to use in harsh environments. Offering excellent corrosion resistance and durability. Ideal for marine, oil & gas, and industrial applications, these fittings ensure secure and efficient connections. With a commitment to precision engineering and customer satisfaction. We provide customized solutions and superior service to meet the unique requirements of our diverse customers.
Copper nickel hydraulic fittings are primarily composed of copper (70% to 90%) and nickel (10% to 30%), usually with trace elements such as iron and manganese to provide strength and corrosion resistance is increased These materials exhibit good mechanical properties, including high tensile strength (up to 550 MPa) and good ductility make, making them suitable for high pressure applications The advantage of copper nickel fittings is superior corrosion resistance, especially in marine environments, antifouling properties and low thermal expansion Their durability and reliability make them ideal for use in oil, gas and marine chemistry.
| 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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Copper nickel hydraulic fittings are widely used in various industries due to their exceptional corrosion resistance and durability. In marine applications it is essential for connecting piping systems and water machinery to protect them from saltwater corrosion. In the oil and gas industry, these features ensure secure connections to high-pressure systems to increase safety and productivity. In addition, they are used in chemical plants for corrosion management and HVAC systems for efficient drainage. Their reliability and efficiency make them ideal for harsh environments to ensure long-term service.
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