Monel 400 Pipe Manufacturer in India | ASTM B165 & ASTM B725 Monel Alloy 400 Pipes Supplier
Finding a dependable Monel 400 pipe manufacturer in India is essential when industrial projects demand exceptional corrosion resistance, long service life, and reliable performance in harsh environments. Monel Alloy 400 has earned worldwide recognition for its excellent resistance to seawater, acids, alkalis, and chloride-rich environments, making it one of the most preferred nickel-copper alloys across multiple industries.
As an experienced manufacturer and global exporter, we supply premium-quality Monel Alloy 400 pipes that meet international ASTM standards and undergo stringent quality inspections before dispatch. Whether customers require seamless pipes, welded pipes, heat exchanger tubes, or custom dimensions, our products are manufactured with precision to ensure consistent mechanical properties and dimensional accuracy.
Being a trusted Monel alloy 400 pipes supplier, we maintain ready stock in multiple sizes, schedules, and finishes to support urgent industrial requirements while ensuring timely deliveries worldwide.
What is Monel Alloy 400 Pipe?
Monel Alloy 400 Pipe is manufactured from a nickel-copper alloy with about 63% nickel and 28–34% copper, known as UNS N04400 (Werkstoff 2.4360), that provides excellent resistance to both corrosion and erosion in highly aggressive environments. Unlike many stainless steels, Monel 400 maintains its strength over a wide temperature range while offering exceptional toughness even in sub-zero conditions.
Its unique chemical composition enables this corrosion-resistant pipe to resist seawater corrosion, hydrofluoric acid, sulfuric acid, hydrochloric acid (under controlled conditions), alkalis, saltwater, and steam environments. Because of these properties, Monel 400 has become a preferred marine grade pipe material for marine systems, chemical plants, offshore facilities, and heat exchanger equipment.
ASTM Specifications We Supply
We manufacture and supply Monel 400 products according to internationally accepted ASTM standards:
- ASTM B165 Monel 400 Pipe: Covers seamless nickel-copper alloy pipes intended for high-temperature and corrosive applications, offering superior mechanical strength, pressure resistance, and corrosion performance. Used in offshore platforms, chemical processing, marine piping, and petrochemical plants.
- ASTM B725 Monel 400 Pipe: Refers to welded pipes manufactured using advanced welding techniques and strict quality control, widely selected for larger diameter piping systems requiring excellent corrosion resistance, cost-effective production, and uniform wall thickness.
- ASTM B163 Monel 400 Tube: Manufactured for condensers, boilers, heat exchangers, and pressure equipment, delivering exceptional thermal conductivity and corrosion resistance for demanding industrial heat transfer applications.
Types of Monel 400 Pipes We Supply
We manufacture and export a complete range of Monel Alloy 400 piping products:
- Seamless Monel 400 Pipe: Produced from solid billets without welded joints, our seamless Monel pipe provides higher pressure handling capability and excellent structural integrity.
- Welded Monel 400 Pipe: Manufactured from premium alloy plates using precision welding methods for larger diameters and economical installations.
- Cold Drawn Monel 400 Pipe: Offers superior dimensional accuracy, tighter tolerances, smoother internal surfaces, and improved mechanical properties, suitable for instrumentation, hydraulic systems, and precision engineering applications.
- Monel 400 Heat Exchanger Tubes: Designed for efficient heat transfer while maintaining outstanding corrosion resistance in aggressive process media.
- Custom Monel Alloy 400 Pipes: Available according to customer drawings, project specifications, lengths, wall thicknesses, and finishes.
Schedule and Size Chart
| Nominal Pipe Size (NPS) | Outside Diameter (OD) (mm) | Wall Thickness (mm) | Schedule 10 | Schedule 40 | Schedule 80 | Schedule 160 |
| 1/2″ | 21.34 | 2.11 | 1.65 | 2.77 | 3.73 | 4.78 |
| 3/4″ | 26.67 | 2.41 | 1.65 | 2.87 | 3.91 | 4.78 |
| 1″ | 33.40 | 2.77 | 2.11 | 3.38 | 4.55 | 6.35 |
| 1 1/2″ | 48.26 | 3.05 | 2.77 | 3.68 | 5.08 | 7.14 |
| 2″ | 60.33 | 3.38 | 2.77 | 3.91 | 5.54 | 8.74 |
| 3″ | 88.90 | 3.76 | 3.05 | 5.49 | 7.62 | 11.13 |
| 4″ | 114.30 | 4.19 | 3.05 | 6.02 | 8.56 | 13.49 |
Mechanical Properties Chart
| Property | Value |
| Tensile Strength | 550 MPa (80 – 90 ksi) |
| Yield Strength (0.2% PS) | 240 MPa (35 – 50 ksi) |
| Elongation | 35% |
| Density | 8.80 g/cm³ |
Specifications Chart
| Specification | Details |
| Product Name | Monel 400 Pipe |
| Material Grade | Monel Alloy 400 |
| UNS Number | UNS N04400 |
| Werkstoff Number | 2.4360 |
| Standards | ASTM B165, ASTM B725, ASTM B163 |
| Manufacturing Type | Seamless, Welded, ERW, EFW, Cold Drawn |
| Outside Diameter (Seamless) | 1/8″ NB to 24″ NB |
| Outside Diameter (Welded) | 1/2″ NB to 48″ NB |
| Wall Thickness | SCH 5 to SCH 160, XXS & Custom |
| Ends | Plain End (PE), Beveled End (BE), Threaded End |
| Surface Finish | Annealed, Pickled, Bright Annealed, Polished |
| Testing | PMI Test, Hydro Test, Ultrasonic Test, Eddy Current Test, Hardness Test |
| Certification | EN 10204 3.1 / 3.2, Mill Test Certificate (MTC), ISO Certified |
Tensile Strength Chart
| Temperature (°C) | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) |
| 20 | 550 | 240 | 28 |
| 100 | 520 | 230 | 27 |
| 200 | 500 | 220 | 26 |
| 300 | 470 | 210 | 25 |
| 400 | 450 | 200 | 24 |
Heat Treatment Requirement Chart
| Treatment | Temperature (°C) | Duration (hours) | Cooling Method |
| Annealing | 800 – 900 | 1 – 2 | Air cooling |
Chemical Composition Chart
| Element | Percentage (%) |
| Nickel (Ni) | 63 min |
| Copper (Cu) | 28 – 34 |
| Iron (Fe) | 2.5 max |
| Manganese (Mn) | 2 max |
| Carbon (C) | 0.30 max |
| Silicon (Si) | 0.50 max |
| Sulfur (S) | 0.024 max |
Physical Properties Chart
| Property | Value |
| Density | 8.8 g/cm³ |
| Melting Point | 1300 – 1350°C |
| Thermal Conductivity | 21.8 W/m·K |
| Specific Heat Capacity | 427 J/kg·K |
| Electrical Resistivity | 0.510 µΩ·m |
Application Chart
| Industry | Application |
| Marine & Offshore | Seawater systems, shipbuilding, offshore platforms |
| Chemical Processing | Reactors, heat exchangers, piping systems |
| Oil and Gas | Refinery equipment, production, and transportation |
| Power & Desalination Plants | Heat exchangers, steam generators, condensers |
| Pharmaceutical & Food Processing | Corrosion-resistant process equipment |
Why Choose Us as Your Monel Alloy 400 Pipes Supplier?
- Quality Assurance: We adhere to the highest quality standards, ensuring that every Monel 400 pipe we supply meets rigorous specifications, complete with Mill Test Certificates (MTC EN 10204 3.1) and third-party inspection support.
- Extensive Inventory: As a trusted Monel 400 pipe stockist, our vast inventory spans multiple sizes, schedules, and finishes, allowing us to fulfill orders promptly and efficiently.
- Custom Solutions: We offer custom fabrication services including custom lengths, schedules, and diameters to meet the unique needs of your project.
- Competitive Pricing: We strive to offer competitive pricing without compromising on quality, delivering value to our customers.
- Global Reach: As experienced Monel alloy 400 pipe distributors, we maintain a strong network of suppliers and customers worldwide, ensuring timely delivery and reliable support.
Monel 400 pipes from ASC LLP represent the pinnacle of quality and performance. Whether you require pipes for marine, offshore, chemical processing, oil and gas, power generation, or desalination plant applications, our nickel copper alloy pipes offer unmatched reliability and durability. Trust us as your Monel 400 pipe manufacturer in India to deliver the superior materials you need to achieve excellence in your projects. Contact us today to learn more about our products and how we can support your specific requirements.
Global Reach
Amardeep Steel Centre boasts a robust global presence, committed to delivering unparalleled service and quality to clients around the world. As a recognized Monel 400 pipe manufacturer in India and trusted Monel alloy 400 pipe distributors, our dedication to prompt delivery and exceptional customer care sets us apart in the industry. Major corporations across the USA, Europe, Asia, and other regions place their trust in our high-quality Monel 400 Pipes. This widespread trust underscores our reputation for reliability and excellence as an offshore pipe supplier and industrial nickel pipe exporter. By consistently meeting and exceeding the expectations of our international clientele, we continue to solidify our position as a leader in the global steel market.
Countries We Export To
UNITED STATES, EUROPE, UK, UAE, SAUDI ARABIA, OMAN, KUWAIT, JORDAN, QATAR, INDONESIA, MALAYSIA, BRAZIL, SPAIN, ITALY, FRANCE, GERMANY, BAHRAIN, SRI LANKA, AZERBAIJAN, AUSTRALIA, AUSTRIA, PHILIPPINES, TURKEY, RUSSIA, IRAN, IRAQ, CANADA, KOREA, JAPAN, YEMEN, FINLAND, ZIMBABWE, HUNGARY, PORTUGAL, VIETNAM, MOROCCO, THAILAND, SOUTH AFRICA, MEXICO, SINGAPORE, GREECE, KUWAIT, POLAND, NEW ZEALAND, SWEDEN, SWITZERLAND, BELGIUM, BHUTAN, BANGLADESH, TAIWAN, ROMANIA, CAMBODIA, KAZAKHSTAN, AFGHANISTAN.
