| Flanges Types | Slip On, Weld Neck, Long Weld Neck, Threaded, Blind, Companion, Lap Joint |
|---|---|
| Class | 150 Lbs, 300 Lbs, 600 Lbs, 900 Lbs, 1500 Lbs, 2500 Lbs Asa 150, Asa 300, Pn 6, 10, 16, 25, 40, 64, 100, 160 |
| Size | 1/2″ (15 Nb), 48″ (1200nb) Dn10~dn5000 |
| Type | Raised Face (rf), Flat Face (ff), Ring Type Joint (rtj), Lap Joint Face (ljf), Large Male Female (lmf), Small Male Female (smf), Large Tongue & Groove, Small Tongue, Groove |
Monel 400 Flanges Suppliers in Dubai
Riddhi Siddhi Metal Impex is one of the leading Monel 400 flanges suppliers in Dubai, providing high-quality flanges known for their exceptional durability and corrosion resistance. Manufactured from a nickel-copper alloy, Monel 400 flanges exhibit excellent mechanical strength and superior resistance to harsh environments, including saltwater, acidic, and alkaline conditions. These properties make them ideal for demanding applications in industries such as marine, chemical processing, and oil and gas. Their ability to withstand extreme temperatures and pressures ensures long-term performance, making them a reliable choice for critical operations requiring high-strength and corrosion-resistant components.
Material & Grades Table – Monel 400 Flanges
| Material | Grade | Flange Type | Nominal Size (Inch) | Pressure Class | Weight per Meter (kg/m) |
|---|---|---|---|---|---|
| Monel Alloy | UNS N04400 | Weld Neck | ½″ – 24″ | Class 150 – 900 | 4.5 – 85.0 |
| Monel Alloy | UNS N04400 | Slip On | ½″ – 24″ | Class 150 – 600 | 3.8 – 72.0 |
| Monel Alloy | UNS N04400 | Blind | ½″ – 24″ | Class 150 – 900 | 6.0 – 120.0 |
| Monel Alloy | UNS N04400 | Socket Weld | ½″ – 4″ | Class 300 – 600 | 2.5 – 18.0 |
| Monel Alloy | UNS N04400 | Lap Joint | ½″ – 24″ | Class 150 – 600 | 3.5 – 70.0 |
Monel 400 Flanges are accurately forged items that are fabricated to have a consistent structure of grain, excellent mechanical strength, and an accurate dimensional consistency. Material grade control is of utmost importance as it is a specialized type of Nickel Alloy Flanges, as it is known that the strength, resistance to corrosion, and the possibility of handling pressure are determined by this category of Flanges. By obtaining them via a B2B market place, buyers use a transparent size, pressure class, and weight parameter table to compare sizes, pressure classes, and weight parameters. In this technical manifestation, specification compliance, quality assurance and assured procurement of important piping systems are supported.
Type of Sub-products

Monel 400 Slip On Flanges Monel 400 Slip On Flanges
Excellent in saltwater, hydrofluoric & sulfuric acid.

Monel 400 Blind Flanges Monel 400 Blind Flanges
Monel 400 Blind Flanges are solid disc-type flanges with no center bore, used to seal the end of a piping system or pressure vessel opening.
