Monel 400 Tube

Monel 400 is equivalent to N04400, 2.4360 and NiCu30Fe. As a leading nickel alloy supplier in China, Ronsco is enowned for our exceptional production standards, strict quality control, extensive inventory, and unwavering commitment to excellence. We specialize in supplying monel 400 tube & pipe in various OD, ID, wall thickness and length, to meet customers' needs for different projects.

In addition to on-demand production, we also offer an large inventory, regularly stock a variety of materials and specifications. Regardless of project size, we can all meet deadlines and deliver final products that meet or exceed industry standards.

Alloy 400 tube derives its exceptional properties from its unique chemical composition, primarily consisting of 63–67% nickel and 28–34% copper, with minor additions of iron, manganese, and trace elements. The high nickel content ensures outstanding corrosion resistance in acidic, alkaline, and marine environments, while copper enhances ductility and resistance to reducing conditions. Low carbon and sulfur levels minimize susceptibility to intergranular corrosion and improve weldability. This balanced alloy structure enables Monel 400 tubing to withstand extreme temperatures, resist stress-corrosion cracking, and maintain mechanical integrity in demanding applications such as chemical processing, marine engineering, and oil and gas systems.

Monel alloy 400 tube exhibits robust mechanical properties, including high tensile strength and good yield strength in its annealed state, ensuring structural durability under stress. Its elongation of 35–45% reflects exceptional ductility, enabling ease of fabrication and resistance to fracture. Cold-working further enhances strength (up to ~900 MPa) while retaining moderate elongation. The alloy maintains stable performance across extreme temperatures (-200°C to 540°C), with reliable hardness (65–85 HRB) and fatigue resistance.

• Superior Corrosion Resistance: Monel 400, also know as N04400 nickel alloy, is highly resistant to corrosion in aggressive environments, including seawater, acidic solutions (e.g., sulfuric and hydrochloric acids), and alkaline media. Its nickel-copper composition forms a protective passive layer that prevents pitting, crevice corrosion, and stress-corrosion cracking.

• Exceptional Temperature Stability: Monel 400 tubing maintains mechanical integrity and performance across extreme temperatures, from cryogenic conditions (-200°C/-328°F) to high-heat environments (up to 540°C/1000°F). Its stable face-centered cubic (FCC) crystal structure, reinforced by nickel’s dominance, prevents embrittlement at low temperatures and resists oxidation or scaling at elevated temperatures.

• Ease of Fabrication and Weldability: Alloy 400, also know as 2.4360 material, is easily fabricated using cold-working or hot-forming techniques and can be welded with standard methods (TIG, MIG, SMAW). Its ductility allows bending and shaping without cracking, while its low carbon content minimizes the need for post-weld heat treatment. This workability enables the production of complex geometries without compromising its corrosion resistance or structural strength.

As a leading monel 400 tube suppliers in China, we not only provide customers with high-quality products in various sizes, but also are committed to providing a full range of value-added services, such as Acid Pickling (AP), Mechanical Polishing (MP), Bright Annealed (BA), and Electropolished (EP). We are committed to meeting the diverse needs of our customers and ensuring they receive high-quality products and a seamless service experience.

Monel 400 tube & pipe is crucial components utilized in marine engineering, medical, oil & gas, and chemical industries. serve as critical components across industries due to their unique combination of corrosion resistance, thermal stability, and mechanical strength. In marine engineering, they prevent saltwater degradation in ship systems and offshore platforms. For oil and gas, they endure high-pressure, sour environments in pipelines and wellheads. Chemical plants rely on their resistance to acids and alkalis in reactors and heat exchangers. Medical fields leverage their non-magnetic, biocompatible nature for precision instruments.

Ronsco is a supplier with more than 28 years of experience in the metal tubes field, we always adheres to the business phiosophy of "customer-centered", tries its best to meet the requirements of customers and pursues win-win cooperation with customers. Are you looking for a reliable tubes manufacturer ! Contact Us Now! Email: manager@ronsteel.com