Ayten Tube Fittings, a trusted manufacturer and supplier based in Addis Ababa, Ethiopia, offers top-quality Monel Hydraulic Fittings designed for superior performance, corrosion resistance, and strength in demanding industrial applications. Made from premium-grade Monel alloys, these fittings ensure reliable, leak-proof connections in high-pressure hydraulic systems. Known for their exceptional resistance to seawater, acids, and alkalis, Monel Hydraulic Fittings are ideal for use in harsh and corrosive environments. With precision engineering and adherence to international standards, Ayten Tube Fittings provides durable and dependable solutions for the marine, chemical, oil and gas, and power generation industries.
Monel Hydraulic Fittings are manufactured using Monel 400 or Monel K500 alloys, primarily composed of nickel (≈67%) and copper (≈30%), with small amounts of iron and manganese. This composition provides excellent resistance to seawater, acids, and caustic environments. Monel 400 offers superior ductility and toughness, while Monel K500 enhances tensile and yield strength through age-hardening. Both alloys retain excellent mechanical stability over a wide temperature range and exhibit superior fatigue and stress-corrosion resistance, making them ideal for high-pressure hydraulic systems operating in aggressive and corrosive environments.
| 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
|
–
|
–
|
–
|
–
|
–
|
Contact us to get a quick quote for your requirement.
Monel Hydraulic Fittings are extensively used in industries that demand reliable and corrosion-resistant hydraulic connections. In the marine and offshore sectors, they are ideal for seawater-based hydraulic systems and shipboard fluid transfer lines. The chemical and petrochemical industries use them for handling acids, caustic solutions, and corrosive fluids under pressure. In oil and gas applications, they are crucial for control systems, instrumentation lines, and process equipment exposed to extreme environments. Additionally, they are used in aerospace, power generation, and desalination plants, offering superior durability, strength, and leak-proof performance in high-pressure and corrosive conditions.
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