Monel Hydraulic Fittings
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Rudra Tube Fittings is a trusted manufacturer and supplier of Monel Hydraulic Fittings in Kolkata, Kolkata, known for providing high-quality, corrosion-resistant solutions for demanding applications. Our Monel hydraulic fittings offer exceptional strength and resistance to seawater, acids, and harsh chemicals, making them ideal for industries such as marine, oil & gas, and chemical processing. With a focus on precision engineering and customer satisfaction, Rudra Tube Fittings delivers a wide range of durable fittings designed to meet the toughest requirements, ensuring reliable performance and longevity in challenging environments.
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Monel Hydraulic Fittings are composed primarily of nickel (63-70%) and copper (29-33%), with small amounts of iron, manganese, and other elements to enhance strength and durability. These fittings exhibit impressive mechanical properties, including high tensile strength (up to 620 MPa) and excellent ductility, making them suitable for high-pressure applications. The advantages of Monel fittings include exceptional resistance to corrosion, especially in seawater, acidic, and alkaline environments. They perform well under extreme temperatures and pressures, ensuring reliability and longevity. These properties make Monel fittings ideal for marine, oil & gas, chemical processing, and other demanding industries.
Monel Hydraulic Fittings Specifications
| DESIGN STANDARD | DIN 2353/ ISO 8434-1 |
| MATERIAL | MONEL 400, MONEL K500 |
| 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 | EXPORT BRIGHT FINISH, SHORT BLASTED FINISH, ELECTROPLATED FINISH |
Monel Hydraulic Fittings Chemical Composition
| Designation | C% | Co% | Cr% | Mo% | Ni% | V% | W% | Ai% | Cu% | Nb/Cb Ta% | Ti% | Fe% | Sonstige Autres-Other % |
| Monel 400 | 0.12 | – | – | – | 65.0 | – | – | – | 32.0 | – | – | 1.5 | Mn 1.0 |
| Monel 401 | 0.10 | – | – | – | 43.0 | – | – | – | 53.0 | – | – | 0.75 | Si 0.25; Mn 2.25 |
| Monel 404 | 0.15 | – | 52.0-57.0 | – | – | 0.05 | rest/bal | – | – | 0.50 | Mn 0.10; Si 0.10;S o.024 | ||
| Monel 502 | 0.10 | – | – | – | 63.0-17.0 | – | – | 2.5-3.5 | rest/bal | – | 0.50 | 2.0 | Mn 1.5;Si 0.5; S 0.010 |
| Monel K 500 | 0.13 | – | – | – | 64.0 | – | – | 2.8 | 30.0 | – | 0.6 | 1.0 | Mn 0.8 |
| Monel R 405 | 0.15 | – | – | – | 66.0 | – | – | – | 31.0 | – | – | 1.2 | Mn 1.0; S 0.04 |
Monel Hydraulic Fittings Mechanical Properties
| Tensile strength, Ultimate | 550 Mpa |
| Tensile strength, Yield | 240 Mpa |
| Elongation at Break | 48% |
Monel Hydraulic Fittings Physical Properties
| Color/appearance | Gray [6] |
| Luster | Metallic [9] |
| Melting point | 1300 – 1350°C [1] |
| Density | 8.80X103 kg/m3 [2] |
| State of matter at room temperature (normal phase) | Solid [9] |
| Hardness | 110-150 HB [7] |
| Thermal Conductivity | 21.8 W/(m K) [1] |
| Resistivity | 54.7X10-8 ohm-m [2] |
| Tensile strength (annealed) | 550 MPa [2] |
| Specific heat capacity | 427 J/(kg*K) [2] |
| Modulus of elasticity | 179 GPa [2] |
Monel Hydraulic Fittings Equivalent Grade
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
| Monel 400 | 2.4360 | N04400 | NW 4400 | NA 13 | МНЖМц 28-2,5-1,5 | NU-30M | NiCu30Fe |
| Monel K500 | 2.4375 | N05500 | – | – | – | – | – |
Top Monel Hydraulic Fittings Manufacturing Company in Kolkata
At Rudra Tube Fittings, we are the largest supplier, manufacturer, and exporter of Monel Hydraulic Fittings in Kolkata, Kolkata. Our advanced manufacturing facilities, strategically positioned in the Kolkata, enable us to deliver high-quality solutions to meet your specific requirements. With a robust inventory of over 16,000 tons of top-grade materials, we are well-equipped to fulfil your needs promptly. Our commitment to excellence and efficiency ensures we always have the available stock to support your demands.
Types of Monel Hydraulic Fittings






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Largest Manufacturer and Supplier of Monel Hydraulic Fittings in Kolkata, Kolkata
Rudra Tube Fittings is a leading supplier and stockist of premium Monel Hydraulic Fittings in Kolkata, Kolkata. Our products are widely utilized across various industries, and we are committed to delivering exceptional service and ensuring high customer satisfaction. Our distinctive finishing techniques set us apart in the metal industry. We are dedicated to consistently providing top-quality products while effectively addressing the needs of our customers.
Monel Hydraulic Fittings Uses
Monel Hydraulic Fittings are widely used in industries requiring high corrosion resistance and durability. In marine applications, they are essential for handling seawater and salt-laden environments, ensuring leak-proof connections in hydraulic systems. In the oil and gas industry, these fittings provide reliable performance in high-pressure and high-temperature operations, especially in offshore drilling. They are also employed in chemical processing plants, where resistance to acids, alkalis, and harsh chemicals is crucial. Additionally, Monel fittings are suitable for aerospace and power generation industries, offering excellent strength and longevity in challenging conditions, making them ideal for demanding hydraulic applications.



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