Heer Fittings, located in Delhi, India, has built a solid reputation as a manufacturer and supplier of Monel 400 Pipe Fittings. They’re known for providing top-notch, corrosion-resistant solutions that meet the demands of various industrial applications. The company boasts a wide selection of fittings, including elbows, tees, reducers, and couplings, all crafted in line with international standards like ASTM B366. With a strong emphasis on durability, precision engineering, and customer satisfaction, Heer Fittings caters to a diverse range of industries, from marine engineering to oil & gas, petrochemicals, and chemical processing, both in India and around the globe.
| Specification Properties: | Monel 400 Pipe Fittings |
| Cmmonly Used Fittings Types | End Cap, Stub End, Bend, Tee, Reducer, Cross, Adapter, 4 Wye, Elbow |
| Flange Connection Type | Clamp End / End Bell/ Threaded/ Weld |
| Thickness Tolerance: | Schedule 20S To Schedule XXS |
| Length: | Normal Pipe Size (1⁄₂”) to Normal Pipe Size (48”) |
| Manufacturer Of Fittings Dimension Types: | ANSI B16.28, MSS-SP-43 Type A, JIS B2312, ANSI B16.9, MSS-SP-43 Type B, JIS B2313 |
| Standard Chart : | JIS, NPT, ISO, DIN, EN |
| Pressure Rating Chart : | 150# To 2500#. |
| Materials List: | Bronze, Copper, Iron (Ductile/Cast), Carbon Steel, Inconel, Monel, Hastalloy, Alloy Steel, Brass, Titanium, Chrome-molybdenum, Cupro-Nickel 90/10 & 70/30, Nickel, Nickel Alloys, Tantalum, Stainless Steel. |
Monel 400 Pipe Fittings are primarily made up of about 63% nickel and 28–34% copper, along with trace amounts of iron, manganese, carbon, and silicon. These fittings are known for their impressive mechanical properties, featuring a tensile strength of around 550 MPa and a yield strength of roughly 170 MPa. Monel 400 is particularly celebrated for its remarkable resistance to seawater, acids, alkalis, and high-temperature oxidation. It maintains excellent toughness and structural integrity across a wide temperature range, making it perfect for corrosive and high-stress environments.
| Grade | C | Mn | Si | Cu | S | Ti | Ni | Al | Fe |
| Monel 400 | 0.3 max | 2.0 max | 0.5 max | 28.0 – 34.0 | 0.02 max | – | 63.0 min | 0.50 max | 1.0 – 2.5 |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Monel 400 | 8.8 g/cm3 | 1350 °C (2460 °F) | Psi – 80000 , MPa – 550 | Psi – 35000 , MPa – 240 | 40 % |
Heer Fittings is a leading supplier of Monel 400 pipe fittings in Delhi, India. We offer an extensive range of Monel 400 fittings, renowned for their excellent corrosion resistance and high strength, which makes them perfect for demanding industrial applications like chemical processing, marine environments, and high-temperature systems. With a commitment to quality and reliable delivery, we ensure our clients receive top-tier products tailored to meet the specific needs of various industries.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
| 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 400 pipe fittings from Heer Fittings offer exceptional corrosion resistance, especially in seawater and harsh environments. They are known for their high strength, durability, and resistance to pitting and crevice corrosion, ensuring long-lasting performance. We provide precise manufacturing, quality control, and reliable service for diverse industrial applications.
| NPS (Normal Pipe Size) | O.D. (Outside Daimeter) | Elbow 90 Deg | Elbow 45 Deg | Return Elbow 180 Deg | ||||
|---|---|---|---|---|---|---|---|---|
| (inch) | Long Radius Elbow | Short Radius | Long Radius Elbow | Long Radius Elbow | ||||
| (millimeter/ MM) | (inch./ Inches) | Center to Face (Inches) | Center to Face (Inches) | Center to Face (Inches) | Radius (Inches) | Center to Center (Inches) | Back to face (Inches) | |
| 1/2 | 21.3 | 0.840 | 1 1/2 | – | 5/8 | 2 | 1 7/8 | |
| 3/4 | 26.7 | 1.050 | 1 1/8 | – | 7/16 | 2 1/4 | 1 11/16 | |
| 1 | 33.4 | 1.315 | 1 1/2 | 1 | 7/8 | 3 | 2 3/16 | |
| 1 1/4 | 42.2 | 1.660 | 1 7/8 | 1 1/4 | 1 | 3 3/4 | 2 3/4 | |
| 1 1/2 | 48.3 | 1.900 | 2 1/4 | 1 1/2 | 1 1/8 | 3 | 4 1/2 | 3 1/4 |
| 2 | 60.3 | 2.375 | 3 | 2 | 1 3/8 | 4 | 6 | 4 3/16 |
| 2 1/2 | 73.0 | 2.875 | 3 3/4 | 2 1/2 | 1 3/4 | 5 | 7 1/2 | 5 3/16 |
| 3 | 88.9 | 3.500 | 4 1/2 | 3 | 2 | 6 | 9 | 6 1/4 |
| 3 1/2 | 101.6 | 4.000 | 5 1/4 | 3 1/2 | 2 1/4 | 7 | 10 1/2 | 7 1/4 |
| 4 | 114.3 | 4.500 | 6 | 4 | 2 1/2 | 8 | 12 | 8 1/4 |
| 5 | 141.3 | 5.563 | 7 1/2 | 5 | 3 1/8 | 10 | 15 | 10 5/16 |
| 6 | 168.3 | 6.625 | 9 | 6 | 3 3/4 | 12 | 18 | 12 5/16 |
| 8 | 219.1 | 8.625 | 12 | 8 | 5 | 12 | 24 | 16 5/16 |
| 10 | 273.1 | 10.750 | 15 | 10 | 6 1/4 | 15 | 30 | 20 3/8 |
| 12 | 323.9 | 12.750 | 18 | 12 | 7 1/2 | 18 | 36 | 24 3/8 |
Monel 400 pipe fittings offer exceptional corrosion resistance, particularly in seawater and acidic environments, making them ideal for marine and chemical processing applications. These fittings exhibit high strength and durability, ensuring long-lasting performance even in harsh conditions. Monel 400 is resistant to stress corrosion, cracking, pitting, and crevice corrosion. It also has excellent weldability and machinability, allowing for ease of fabrication. Additionally, Monel 400 maintains its strength and structural integrity at high temperatures, making it a reliable choice for industries requiring corrosion resistance and high-performance capabilities.
| O.D. or I.D. Diameter | Equivalent Decimal | Nominal Diameter | Typical Threads In Inch |
| 5/16 | 0.313 | 1/16 | 27 |
| 13/32 | 0.405 | 1/8 | 27 |
| 35/64 | 0.540 | 1/4 | 18 |
| 43/64 | 0.675 | 3/8 | 18 |
| 27/32 | 0.840 | 1/2 | 14 |
| 1-3/64 | 1.050 | 3/4 | 14 |
| 1-5/16 | 1.315 | 1 | 11-1/2 |
| 1-21/32 | 1.660 | 1-1/4 | 11-1/2 |
| 1-29/32 | 1.900 | 1-1/2 | 11-1/2 |
| 2-3/8 | 2.375 | 2 | 11-1/2 |
| 2-7/8 | 2.875 | 2-1/2 | 8 |
| 3-1/2 | 3.500 | 3 | 8 |
| 4 | 4.000 | 3-1/2 | 8 |
| 4-1/2 | 4.500 | 4 | 8 |
Yes, custom sizes for Monel 400 pipe fittings are available at Heer Fittings. We offer tailored solutions to meet your specific requirements, ensuring optimal performance for your projects. For more information, please contact us at sales@heerfittings.com.
You’ll find Monel 400 Pipe Fittings commonly used in highly corrosive settings, such as marine applications, offshore oil drilling, heat exchangers, chemical processing, and hydrocarbon processing. Their outstanding resistance to saltwater, sulfuric acid, and hydrofluoric acid makes them a go-to choice for piping systems that encounter aggressive media. These fittings are also utilized in pump shafts, crude oil distillation columns, and power generation systems, where both corrosion resistance and mechanical strength are essential. Monel 400 guarantees reliable, long-lasting connections even in the toughest conditions.
Get in touch with one of our Technical Sales Representatives to request a quote or get answers to any questions you may have.








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