Inconel 625 Wires Manufacturer & Supplier Manufacturer & Supplier

Monel 400 pipe is a nickel-copper alloy famous for its high strength and exceptional corrosion resistance across a wide array of aggressive environments. This alloy is a solid-solution binary alloy. This means nickel and copper mix together in all proportions to form a single-phase material. Monel 400 is primarily composed of nickel and copper, with specific percentages contributing to its unique properties. The typical composition includes nickel and copper. Small amounts of other elements like iron and manganese are also present to improve its structure. Bhansali Nickel Alloys is one of the leading manufacturers, suppliers and stockists of high-quality Monel 400 pipes. We serve industries that need materials that can withstand tough conditions, like chemical plants and marine engineering. We are a trusted monel 400 pipes supplier, and we keep a large stock available to meet urgent project needs. We offer products that meet international quality standards, whether you need monel 400 seamless pipe for high-pressure systems or welded options for big structures.

Pipes

Monel 400 Pipe Specifications

Choosing the right pipe requires a clear understanding of technical standards. Our Monel 400 pipes specifications follow global benchmarks to ensure safety and performance in every application.

SpecificationDetails
Material GradeMonel 400
UNS NumberN04400
WNR Number2.4360 / 2.4361
StandardsASTM B165 (Seamless Pipe), ASTM B725 (Welded Pipe), ASTM B775, ASTM B730
Pipe TypeSeamless, Welded, ERW, Fabricated
Outer Diameter6.35 mm to 914.4 mm
Wall Thickness0.8 mm to 50 mm
ScheduleSCH 5, 10, 20, 40, 80, 160, XXS
LengthSingle Random, Double Random, Custom Cut Length
End TypePlain End (PE), Beveled End (BE), Threaded
Surface FinishAnnealed, Pickled, Polished
FormRound Pipe, Square Pipe, Rectangular Pipe
Melting Point1300 – 1350°C
Density8.80 g/cm³
ApplicationsMarine, Chemical Processing, Oil & Gas, Heat Exchangers, Power Plants

Chemical Composition & Properties

The exact chemical composition of this alloy makes it reliable. Monel 400 is a widely used alloy as it can handle temperatures as low as sub-zero and as high as 1000°F. The nickel and copper balance makes the metal resistant to acids and alkalis. Here is a breakdown of the chemical composition of Monel 400 and the physical properties that make it so useful.

ElementComposition (%)
Nickel (Ni)63.0 min
Copper (Cu)28.0 – 34.0
Iron (Fe)2.5 max
Manganese (Mn)2.0 max
Carbon (C)0.30 max
Silicon (Si)0.50 max
Sulfur (S)0.024 max

Pipe Sizes & Schedules

We offer a wide range of Monel 400 pipe sizes to fit various industrial layouts. We have a wide range of tubes and pipes in stock, from small ones for instruments to large ones for main transfer lines. Standard stock comes in sizes from 1/2 inch to 12 inches, on request we offer custom sizes for your specific industrial requirements. We offer different wall thicknesses, called schedules. For example, SCH 40 is for standard use and SCH 80 is for places with higher pressure. As well-known monel 400 pipe stockists, we make sure that popular sizes are always ready for shipment.

Nominal Pipe Size (NPS)Outside Diameter (OD) mmAvailable Schedules
1/8″10.3 mmSCH 5, 10, 40, 80
1/4″13.7 mmSCH 5, 10, 40, 80
3/8″17.1 mmSCH 5, 10, 40, 80
1/2″21.3 mmSCH 5, 10, 40, 80, 160
3/4″26.7 mmSCH 5, 10, 40, 80, 160
1″33.4 mmSCH 5, 10, 40, 80, 160
1 1/4″42.2 mmSCH 10, 40, 80, 160
1 1/2″48.3 mmSCH 10, 40, 80, 160
2″60.3 mmSCH 10, 40, 80, 160
2 1/2″73.0 mmSCH 10, 40, 80, 160
3″88.9 mmSCH 10, 40, 80, 160
4″114.3 mmSCH 10, 20, 40, 80, 160
5″141.3 mmSCH 10, 20, 40, 80, 160
6″168.3 mmSCH 10, 20, 40, 80, 160
8″219.1 mmSCH 10, 20, 40, 80
10″273.0 mmSCH 10, 20, 40, 80
12″323.8 mmSCH 10, 20, 40, 80
14″ – 24″355.6 mm – 609.6 mmSCH 10, 20, 40

Monel 400 Pipes Equivalent Grades & Comparison

Monel 400 pipe is known by several standard designations globally. Understanding these equivalent grades helps industries find the right material for their local codes. Compared to stainless steel, Monel 400 offers much better resistance to hydrofluoric acid and seawater. It is tougher than pure nickel and more resistant to corrosion than pure copper in moving water.

StandardGrade / Designation
UNSN04400
WNR (EN)2.4360 / 2.4361
ASTMB165 (Seamless), B725 (Welded)
ASMESB165 / SB725
DINNiCu30Fe

Seamless & Welded Pipe Manufacturing Process

Monel 400 is very useful as it lasts a long time in marine and chemical processing. Monel 400 pipes are manufactured in two ways: by welding them together or by making them without seams. Each type meets different industrial needs based on pressure of the project and its costs.

Seamless Monel 400 Pipe Manufacturing

Seamless pipes have no welded seam. This gives them better structural integrity and a smooth internal surface for fluid flow.

  1. Raw Material Preparation: Our first step is to obtain top-tier Monel 400 billets or rounds. We check them thoroughly for any defects and then trim them to exact lengths so that the final product is consistent.
  2. Heating: Billets are heated to high temperatures, usually above the recrystallisation point, until they become malleable. This process is carefully controlled to prevent oxidation and maintain the alloy’s integrity.
  3. Piercing: A hot billet is passed through a rotary piercing mill. A hole is made right through the centre of the hot billet with the help of a mandrel, resulting in a hollow shell or hollow bloom setting the initial diameter.
  4. Rolling and Elongation: The shell is rolled and stretched through a series of mills to reach the desired diameter and wall thickness. This can involve mandrel mills or pilger mills for larger pipe sizes.
  5. Annealing: The heating of the pipe is done to release the internal stress generated by cold working. This treatment results in an improvement of ductility and the microstructure is made ideal for highly industrial applications.
  6. Finishing and Inspection: The pipe is straightened to remove any curvature and cleaned through pickling. It then goes through rigorous testing, like ultrasonic and dimensional checks to ensure compliance with ASTM standards.

Welded Monel 400 Pipe Manufacturing

Welded pipes are made from flat plates or strips. This process is usually more cost-effective for larger diameters and specific industrial configurations.

  1. Edge Preparation: We begin with Monel 400 plates or strips. The edges are bevelled or cleaned to ensure a high-quality, consistent weld joint that can withstand high pressure.

  2. Forming: The flat plate is gradually bent to get the shape of a cylinder. For thinner strips, this can be done by roll forming. Press brake forming is used for heavier, thicker plates.

  3. Welding: After forming, the edges are brought together and fused with advanced methods such as TIG (GTAW), MIG (GMAW) or Electric Fusion Welding. These processes result in deep-penetration, high-quality seams.

  4. Sizing and Straightening: The welded pipe is first placed through sizing rolls to get the precise outside diameter. Later, it is straightened to remove the welding heat distortion.

  5. Heat Treatment: Welded pipes are often annealed, similar to seamless pipes. This relieves the stresses in the weld zone and makes sure the entire pipe has uniform mechanical properties.

  6. Testing and Inspection: The weld seam is checked using X-rays (Radiography) or ultrasonic tests. This ensures there are no cracks, leaks, or weak spots before the pipe is certified for use.

Mechanical Strength & Corrosion Resistance

Monel 400 shows moderate to high strength and toughness. It maintains these characteristics over a wide temperature spectrum, from freezing sub-zero temperatures to approximately 480°C (1000°F). It is strong when it is annealed, but cold working can increase its strength.

Key Mechanical Stats:

  • Tensile Strength: Min 550 MPa (70.0 ksi)
  • Yield Strength: Min 240 MPa (35.0 ksi)
  • Elongation: Min 35%

Corrosion Resistance

Monel 400 is known for surviving in seawater and brackish water. It resists chloride-ion stress corrosion cracking, which often destroys stainless steel. It also handles de-aerated hydrochloric and hydrofluoric acids very well. In reducing conditions, it is better than nickel; in oxidizing conditions, it is better than copper. However, it should not be used with nitric acid or ammonia, as these will eat through the copper content quickly.

Testing, Inspection & Certification

Our primary goal is to ensure the quality is top-notch. We check every pipe that leaves our facility very carefully to make sure it meets the Monel 400 pipes specifications.

We perform various tests, like flattening tests, hydrostatic tests, and non-destructive tests (NDT) like Ultrasonic or Eddy Current testing. We provide Mill Test Certificates (MTC) that comply with EN 10204 3.1 or 3.2. These documents confirm the chemical and mechanical properties of the batch you receive.

Packaging, Logistics & Export Capability

When shipping high-value alloys, careful handling is important to prevent harm  or contaminating the surface. We use durable packaging to keep your products safe while it’s being shipped.

We put our pipes in bundles and wrap them in plastic or in wooden crates, while shipping them. We have a strong logistics network that lets us ship to many different countries quickly and easily. We take care of all the paperwork for quick customs clearance and on-time delivery, whether you need a small order or a large shipment. We also provide custom packaging options for your specific requirements.

Applications & Industries

Monel 400 pipe is a versatile material used in several industries where standard metals fail to perform:

  • Marine Engineering: It is used for seawater piping, water curtain systems, and firefighting lines. Its resistance to bio-fouling and erosion makes it perfect for propeller shafts and intake valves.

  • Chemical Processing: Ideal for equipment handling aggressive fluids like sulfuric acid, hydrofluoric acid, and caustic solutions. It is widely used in pickling bath heating coils and pressure vessels.

  • Oil & Gas Industry: Essential for offshore drilling tools, wellheads, and transfer piping from crude columns. It is chosen for its resistance to sour gas, CO2, and hydrogen sulfide in harsh environments.

  • Aerospace Sector: Valued for its high strength-to-weight ratio and ability to handle extreme pressure. It is used in rocket engine exhaust systems, fuel lines, and hydraulic landing gear components.

  • Power Generation: Frequently found in heat exchangers and boiler feed-water heaters. It is also used in uranium refining and nuclear fuel production due to its stability under radiation.

  • Cryogenic Systems: Its toughness at extremely low temperatures makes it a top choice for LNG storage tanks. Unlike many steels, it does not become brittle when exposed to liquid gases.

  • Food Processing: Used in specialised food plants where hygiene and chemical resistance are both required. Its non-toxic nature and resistance to salt-based cleaners ensure product safety.

Trusted Monel 400 Pipe Manufacturer in India

Finding a reliable supplier is important for your supply chain. Bhansali Nickel Alloys is a trustworthy Monel 400 pipe manufacturer. We use the latest technology and prioritise our customers first. Our prices are also competitive. We offer the best Monel 400 pipes price in India without compromising on quality.  As a global Monel 400 pipes supplier, we know how stressful it can be to meet project deadlines. We maintain standard sizes in stock to ensure we can provide them on time. When you work with us, you’ll receive straightforward communication, high-quality materials, and a partner who knows the technical requirements of your industry. If you have any questions or need assistance, feel free to contact us.

Frequently Asked Technical Questions

They are mainly used in marine environments, chemical processing (especially with acids), and oil refining. Their main job is to resist corrosion where other metals fail

Yes, they are excellent for marine use. They resist salt water, brackish water, and high-velocity steam, making them ideal for shipbuilding and offshore platforms.

The most common standards are ASTM B165 for seamless pipes and ASTM B725 for welded pipes.

Yes, we do have a monel 400 seamless pipe for applications that need higher pressure ratings and stronger structures.

We offer sizes from 1/8″ NB up to 24″ NB, common schedules include SCH 10, 40, 80 and 160.

Yes, each of our products is supplied with a Mill Test Certificate (MTC) proving that it meets the required chemical and mechanical standards.

The monel 400 pipe price is influenced by the global cost of nickel and copper. The size of the pipe, the thickness of the walls, and whether it is seamless or welded. Please contact us for a quote to find out the current price of monel 400 pipes in India.

Inconel 600 Buttweld Pipe Fittings applications & uses

Prominent Countries where we exportInconel Inconel 600 Buttweld Pipe Fittings

Domestic Supply

New York, Aberdeen, Sharjah, Lahore, Gurgaon, La Victoria, Chandigarh, Indore, Ernakulam, Hyderabad, Haryana, Sydney, Caracas, Chennai, Moscow, Jamshedpur, Nagpur, Navi Mumbai, Bengaluru, Vadodara, Kanpur, Howrah, Seoul, Noida, New Delhi, Surat, Kuala Lumpur, Lagos, Coimbatore, Dammam, Houston, Baroda, Bhopal, Busan, Ahmedabad, Nashik, Ranchi, Thiruvananthapuram, Istanbul, Kolkata, Mumbai, Rajkot, Perth, Pune, Toronto, Bangkok, Atyrau, Visakhapatnam, Hanoi, Ludhiana, Thane, Jaipur, Faridabad, Pimpri-Chinchwad, Montreal, Petaling Jaya, Geoje-si, Secunderabad, Granada.

Distribution Network

Serbia, Saudi Arabia, Bulgaria, Russia, Ghana, Greece, Yemen, Bhutan, Macau, New Zealand, Thailand, Tibet, Mexico, Poland, Israel, Portugal, Trinidad and Tobago,Bolivia, Namibia, Pakistan, Sweden, Peru, Afghanistan, Egypt, Chile, Taiwan, Lithuania, Romania, France, Vietnam,United Kingdom, Spain, Ukraine, Chile, Angola, Philippines, Bangladesh, Switzerland, Iran, Netherlands, Tunisia, Iran, Algeria, Kazakhstan, Libya, Estonia, Costa Rica, Qatar, South Korea, Bahrain, Ecuador, Ireland, South Africa, Poland, Canada, Australia, Malaysia, Norway, Turkey, United States, Germany, Denmark, United Arab Emirates,, Iraq, Gambia, Indonesia, Finland, Argentina, Czech Republic, Nigeria, Lebanon, Singapore, Jordan, Japan, Morocco, Nigeria, Hong Kong, Zimbabwe, Mexico, Hungary, Brazil, Slovakia, Belarus, Nepal, India, Kuwait, Italy, Puerto Rico, Croatia, Gabon, Sri Lanka, Venezuela, China, Belgium, Austria, Kenya, Azerbaijan, Oman, Mongolia, Colombia.

Copyright © 2022. By Bhansali Nickel Alloys All Rights Reserved.