Monel 400 is a nickel-copper alloy that is highly resistant to corrosion in a wide range of conditions, making it an ideal material in marine, chemical, and petrochemical industries. Monel 400 sheet plate is a popular product that is used in the construction of pressure vessels, heat exchangers, pumps, valves, and other critical components. In this blog post, we will take a closer look at the composition, physical and mechanical properties, heat treatment, corrosion resistance, and uses of Monel 400 sheet plate.
What is Monel 400 Sheet Plate?
Nickel Alloy 400 Sheet is an alloy of nickel, copper and small amounts of iron. It is a strong yet lightweight metal with excellent corrosion resistance, making it ideal for many engineering applications. ASTM B127 Sheet & Plates offers superior strength and good weldability in extreme temperatures, making it suitable for a variety of industries including petrochemical plants and oil refineries.
Nickel Alloy 400 Sheet Plate Composition:
ASME SB 127 sheet plate is composed of primarily nickel (63%) and copper (33%), with small amounts of iron, manganese, silicon, and carbon. It also contains small amounts of other elements such as aluminum, titanium, and sulfur. The alloy 400 is known for its excellent resistance to a wide range of corrosive environments, including seawater, hydrofluoric acid, and sulfuric acid.
| Grade | Ni | C | Al | Mn | Si | Fe | Cu | S |
| Monel 400 | 63.0 min | 0.3 max | 0.50 max | 2.0 max | 0.5 max | 1.0 – 2.5 | 28.0 – 34.0 | 0.02 max |
UNS N04400 Sheet Plate Physical Properties:
Monel 400 sheet has excellent physical properties, including high strength, good ductility, and thermal conductivity. It has a density of 8.8 g/cm3 and a melting point of 1300-1350°C. Monel 400 Plate also has low permeability to hydrogen, making it ideal for use in hydrogenated environments.
Alloy 400 Sheet Plate Mechanical Properties:
The mechanical properties of UNS N04400 Plate make it a popular choice in many applications. It has a tensile strength of 550-760 MPa and a yield strength of 240-440 MPa. Monel Alloy 400 sheet plate also has good elongation and toughness, which makes it resistant to cracking and other forms of mechanical failure.
| Density | Melting Point | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
| 8.8 g/cm3 | 1350 °C (2460 °F) | Psi – 35,000 , MPa – 240 | Psi – 80,000 , MPa – 550 | 40 % |
ASME SB 127 UNS N04400 Sheet Plates Equivalent :
| 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 |
DIN 17750 Sheet Plate Heat Treatment:
ASTM B127 plate can be annealed at temperatures between 700-900°C and quenched in water or air. The resulting material is soft and ductile, which makes it easy to form and weld. Alloy 400 Sheet can also be hardened by cold working, which increases its strength and hardness.
AMS 4544 Sheet Plate Corrosion Resistance:
Alloy 400 plate has excellent resistance to corrosion in both acidic and alkaline environments. It is resistant to corrosion by most acids, including hydrochloric, sulfuric, and hydrofluoric acid. Monel 400 Plate is also highly resistant to corrosion by seawater and other saline solutions. Its resistance to corrosion makes it ideal for use in marine and chemical applications.
Wnr 2.4360 Sheet Plate Uses:
UNS N04400 sheet and plate is used in a wide range of applications, including marine engineering, chemical processing, oil and gas production, and electrical and electronic components. It is used in the construction of heat exchangers, valves, pumps, and other types of equipment that come into contact with corrosive acids. AMS 4544 sheet is also used in the production of electronic components, such as microwave tubes and transistors.
Conclusion:
Monel 400 sheet & plate is a highly valuable material that offers excellent resistance to corrosion in a wide range of environments. Its unique composition and mechanical properties make it an ideal choice for use in marine, chemical, and petrochemical industries. Understanding the composition, physical and mechanical properties, heat treatment, corrosion resistance, and uses of ASME SB 127 sheet plate is essential for anyone working in these industries. Hopefully, this blog post has provided valuable insights into Monel 400 sheet plate and its various applications.
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