Monel Buttweld Fittings are widely supplied for marine, offshore, chemical processing, seawater, and hydrocarbon processing applications requiring high corrosion resistance and long service life in aggressive environments.
ARK Stainless Inc is a manufacturer, supplier and exporter of Monel 400 and Monel K500 Buttweld Elbows, Tees, Reducers, Caps, and Stub Ends in seamless, welded, and fabricated construction according to ASTM B366 / ASME SB366, ASME B16.9, ASME B16.28, and MSS SP-43 standards.
Monel 400 Buttweld Fittings are commonly used for piping systems exposed to seawater, alkalis, hydrofluoric acid, and chloride-rich environments. Monel K500 Pipe Fittings provide higher mechanical strength and improved resistance against pitting and crevice corrosion for offshore and high-pressure process applications.
Available in multiple schedules, wall thicknesses, and custom project specifications with material test certificates, PMI testing, and third-party inspection support.
| Grade | Ni | Fe | C | Mn | Si | Cu | Al | Ti | S |
|---|---|---|---|---|---|---|---|---|---|
| Monel 400 | 63.0- 70.00 max | 2.50 max | 0.3 max | 2.00 max | 0.50 max | Remainder | - | - | 0.024 max |
| Monel K500 | 63.0 min | 05 - 2 | 0.25 max | 1.5 max | 0.5 max | 27.0 - 33.0 | 2.3 - 3.15 | 0.35 - 0.85 | 0.010 max |
| Grade | Tensile (ksi) | .2% Yield (ksi) | Elongation % | Hardness (HRb) |
|---|---|---|---|---|
| 400 | 75 to 90 | 25 to 50 | 60 to 35 | 60 to 80 |
| K500 | Psi – 1,60,000 , MPa – 1100 | Psi – 1,15,000 , MPa – 790 | 20 % | - |
ARK Stainless Inc. is a Monel 400 Buttweld Pipe Fittings manufacturer, supplier and exporter in India, supplying fittings for marine, chemical processing, seawater and industrial piping applications. From our base in Mumbai, we cater to domestic requirements as well as export enquiries for standard and project-specific Monel 400 fittings.
For piping systems exposed to seawater, alkalis and certain acidic environments, Monel 400 is frequently specified because of its combination of corrosion resistance, strength and toughness. Monel 400 (UNS N04400 / Werkstoff 2.4360) is a nickel-copper alloy with good mechanical properties over a broad temperature range. The material also offers good ductility and can be strengthened through cold working.
Our range includes Monel 400 45° and 90° elbows, long and short radius elbows, equal and reducing tees, concentric and eccentric reducers, crosses, stub ends, end caps and pipe bends. We supply fittings in different sizes and specifications for new piping projects, maintenance requirements and replacement orders.
ASTM B366 Monel 400 Buttweld Fittings can be supplied according to applicable dimensional standards and customer specifications. Buyers can send us the required fitting type, size, schedule/wall thickness, quantity, material grade and destination for quotation.
Before dispatch, Monel 400 Buttweld Pipe Fittings can be checked through a range of material and dimensional tests based on the applicable specification and inspection requirements. These may include Positive Material Identification (PMI), hardness testing, chemical and mechanical analysis, flaring and flattening tests, and micro/macro examination.
For dispatch, ASTM B366 Monel 400 Pipe Fittings are packed according to their size, quantity and mode of shipment. Smaller fittings may be packed in protected cartons or wooden boxes, while larger fittings and bulk orders can be secured in wooden crates or on pallets.
Extra protection such as wrapping and cushioning can be used to protect bevelled ends, product markings and finished surfaces during handling, sea freight and air freight.
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
| Monel 400 | 2.4360 | N04400 | NW 4400 | NA 13 | 28-2,5-1,5 | NU-30M | NiCu30Fe |
| C | Mn | Si | S | Cu | Fe | Ni |
| 0.30 max | 2.00 max | 0.50 max | 0.024 max | 28.00 – 34.00 | 2.50 max | 63.00 min |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.8 g/cm3 | 1350 °C (2460 °F) | Psi – 80,000 , MPa – 550 | Psi – 35,000 , MPa – 240 | 40 % |
Where higher mechanical strength is required along with the corrosion resistance associated with nickel-copper alloys, Monel K500 Buttweld Pipe Fittings are commonly considered for demanding industrial service. ARK Stainless Inc. is a manufacturer, supplier and exporter of Monel K500 Buttweld Fittings in India, supplying standard as well as project-specific requirements to domestic and overseas buyers.
Monel K500 (UNS N05500 / Werkstoff 2.4375) combines the corrosion-resistant characteristics of a nickel-copper alloy with higher strength and hardness. This makes the grade suitable for applications where fittings may be exposed to corrosive media together with demanding mechanical conditions.
ARK Stainless Inc. offers Monel K500 elbows, tees, crosses, concentric and eccentric reducers, stub ends, end caps and pipe bends in different sizes and specifications. Standard as well as custom UNS N05500 buttweld fittings can be supplied against piping specifications, drawings and project requirements for domestic and export orders.
Monel K500 Pipe Fittings are supplied for marine equipment, chemical processing, pumps and valves, offshore installations and other industrial systems requiring a combination of strength and corrosion resistance. Buyers can send their requirement with the fitting type, size, schedule, quantity, material grade and delivery destination for quotation. Material certificates, inspection documents and traceability records can be supplied as required.
Before an order is released for dispatch, Monel K500 Buttweld Pipe Fittings are checked against the required dimensions, material grade and purchase specifications. PMI, dimensional inspection, mechanical or chemical testing and third-party inspection can be carried out where required by the project or buyer.
For export orders, UNS N05500 Monel K500 fittings are packed according to the fitting size and shipment quantity. Wooden cases, pallets and protected boxes are used as required, with additional protection provided for weld bevels, finished surfaces and identification markings during handling and transit.
Buyers looking for ASTM B366 Monel K500 Pipe Fittings can share the required fitting type, size, schedule, quantity and delivery destination for pricing and availability.
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
| Monel 400 | 2.4375 | N05500 | - | - | - | - | - |
| C | Mn | Si | S | Cu | Fe | Ni |
| 0.25 max | 1.5 max | 0.50 max | 0.010 max | 27.00 – 33.00 | 0.5 – 2 | 63.00 min |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.44 g/cm3 | 1350 °C (2460 °F) | Psi – 160000 , MPa – 1100 | Psi – 115000 , MPa – 790 | 20 % |
