Malik Tube Fittings stands out as a top manufacturer and supplier of Monel Hydraulic Fittings in Riyadh, Saudi Arabia. They offer high-quality solutions that are engineered for strength, durability, and resistance to corrosion. Crafted from premium Monel alloys, these fittings are built to perform reliably even in the toughest corrosive and high-pressure environments. You’ll find Malik Tube Fittings’ Monel Hydraulic Fittings widely used across various industries, including oil and gas, marine, petrochemical, chemical, and power, providing leak-proof connections, a long service life, and dependable performance in demanding applications.
These fittings are primarily made up of nickel (around 63%) and copper (28–34%), with small amounts of iron, manganese, and silicon added to boost their performance. This unique composition gives them exceptional resistance to seawater, acids, alkalis, and oxidizing environments. Mechanically, they boast high tensile and yield strength, excellent toughness, and durability even under extreme pressure and temperature. Their metallurgical stability and corrosion resistance make them a perfect choice for critical fluid and gas handling systems.
| 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 |
| 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 |
| Tensile strength, Ultimate | 550 Mpa |
| Tensile strength, Yield | 240 Mpa |
| Elongation at Break | 48% |
| 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] |
|
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
|
–
|
–
|
–
|
–
|
–
|
These fittings primarily consist of nickel (around 63%) and copper (about 28–34%), along with trace amounts of iron, manganese, and silicon to boost their mechanical strength and corrosion resistance. This unique blend offers remarkable protection against oxidation, stress-corrosion cracking, and pitting in harsh environments. On a mechanical level, Monel Hydraulic Fittings showcase high tensile strength, solid yield strength, and toughness, ensuring they remain stable and durable even under high pressure, extreme temperatures, and corrosive conditions.
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Monel Hydraulic Fittings are widely used in marine and offshore industries for seawater systems, thanks to their impressive resistance to saltwater corrosion. In the oil and gas sector, they are relied upon for secure and leak-proof hydraulic connections under high pressure. Chemical and petrochemical plants trust them for the safe transportation of corrosive fluids. The power generation and aerospace industries also reap the benefits of their strength and longevity. With their robust design, adaptability, and outstanding resistance, Monel Hydraulic Fittings are essential components in modern hydraulic and fluid control systems.
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