Adarsh Stainless Pvt. Ltd. is a supplier and exporter of Monel 400 Flanges to the demanding industrial sectors worldwide. This nickel-copper alloy is favored by engineers for its resistance to corrosion, mechanical strength and structural performance. It is superior to conventional metals when dealing with volatile process fluids. It is therefore still one of the top specification choices in severe marine and heavy chemical processing environments. The unique composition makes the alloy sufficiently robust to prevent costly failures of piping systems.
The industrial piping systems provide a wide variety of connection options and allow for efficient control of dynamic flow conditions. We are ISO Certified manufacturer of Monel 400 flanges and supply high quality Weld Neck, Slip-On, Blind, Socket Weld and Threaded in accordance with ASTM B564 and ASME B16.5 standards. The major factor is your own pressure-temperature restrictions to have the connection as safe as feasible for critical industrial pipelines.
This material has resistance to oxidation and pitting in salt water, so shipboard and coastal plumbing runs smoothly. It is also resistant to volatile media, hydrofluoric acid and strong alkalis. This tough chemical protection prevents corrosive attacks and ensures leak-free performance under demanding industrial conditions.
The unique alloy structural matrix resists spontaneous fracturing under heated, chloride-rich process conditions, enabling high-pressure pipelines to maintain entire joint stability for decades. And its flexible chemistry means it won’t suffer from thermal embrittlement and hence performs well across a broad temperature range from blisteringly hot lines to delicate cryogenic systems.
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This material is widely used in marine engineering and offshore platforms by enduring persistent seawater spray and a hostile marine atmosphere. It also protects chemical processing units, storage tanks and fluid transfer lines from damaging processing chemicals, while assuring long equipment life in desalination distillation chambers and heavy steam condenser pipework.
All production lines are designed for close quality control, precise machining and dimensional accuracy. Our large inventory maintained at our plant allows us to have quick turn around times for custom profiles or high volume commercial orders. We arrange smooth global shipments at cheap prices and strong export packing. Contact us now for completely certified components for your project.
ASTM B564 / ASME SB564, ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
1/2" (15 NB) to 48" (1200NB)
150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Lap-Joint Face (LJF), Small Male-Female (SMF), Small Tongue, Large Tongue & Groove, Groove
Forged / Threaded / Screwed / Plate
Plate Flange, Loose Plate Flange, Loose Plate With Weld Neck Flange, Blank Flange, Welding Neck Flange, Hubbed Slip on Flange, Hubbed Threaded Flange, Lapped Pipe End Flange.
All Flanges are marked as follows: Grade, Standard, Thickness, Heat No. (Or according to the customer’s request.)
| STANDARD | UNS | WERKSTOFF NR. | AFNOR | EN | JIS | BS | GOST |
| Monel 400 | N04400 | 2.4360 | NU-30M | NiCu30Fe | NW 4400 | NA 13 | МНЖМц 28-2,5-1,5 |
| Monel 400 | Ni | C | Al | Mn | Si | Fe | Cu | S | Co | Cr |
| 63.0 min | 0.3 max | 0.50 max | 2.0 max | 0.5 max | 1.0 – 2.5 | 28.0 – 34.0 | 0.02 max | – | – |
| Density | Melting Point | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
| 8.8 g/cm3 | 1350 °C (2460 °F) | Psi – 35,000 , MPa – 240 | Psi – 80,000 , MPa – 550 | 40 % |
The following detailed size chart establishes the standard dimensional criteria for international piping projects. Review these certified mill parameters to ensure your selected layout fits your structural clearance requirements perfectly.
| Nominal Size (NPS) | Outer Diameter (inch) | Bolt Circle Diameter (inch) | Number of Bolt Holes |
| 1/2" | 3.50 | 2.38 | 4 |
| 3/4" | 3.88 | 2.75 | 4 |
| 1" | 4.25 | 3.12 | 4 |
| 1-1/2" | 5.00 | 3.88 | 4 |
| 2" | 6.00 | 4.75 | 4 |
| 3" | 7.50 | 6.00 | 4 |
| 4" | 9.00 | 7.50 | 8 |
This pressure matrix highlights the maximum working load capacity allowed across standard industrial temperature boundaries. Matching your system's peak surge pressure to these verified ratings prevents joint distortion and operational hazards.
| Nominal Size (DN) | Class 150 (bar) | Class 300 (bar) | Class 600 (bar) |
| DN 15 | 19.0 | 49.6 | 99.3 |
| DN 25 | 19.0 | 49.6 | 99.3 |
| DN 40 | 19.0 | 49.6 | 99.3 |
| DN 50 | 19.0 | 49.6 | 99.3 |
| DN 80 | 19.0 | 49.6 | 99.3 |
| DN 100 | 19.0 | 49.6 | 99.3 |
The thickness chart below controls the minimum material profiles for Class 150 structural installations. These exact mill dimensions make sure your assembly will readily handle heavy mechanical stress and pipeline vibration.
| NPS Size | Thickness (mm) | Raised Face Height (mm) |
| 1/2" | 11.2 | 1.6 |
| 3/4" | 12.7 | 1.6 |
| 1" | 14.3 | 1.6 |
| 1-1/4" | 15.9 | 1.6 |
| 1-1/2" | 17.5 | 1.6 |
| 2" | 19.1 | 1.6 |
| 3" | 23.9 | 1.6 |
Note: As leading Stainless Steel Pipe Fittings Manufacturers in India, our production lines ensure that all matching components carry complete material traceability certificates to simplify your field inspection routines.
Oil & Gas Industrires
Chemical Industries
Construction Industries
Offshore Pipelines & Pipe Works
Petrochemical Industry
Shipbuilding Industries
Hydraulic Applications
Piping Systems
Refining Industry
Food Processing Industry
Pulp & Paper Industry
Power Plant Industry
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