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Monel 400 steel plate is used to manufacture reactors, storage tanks, valves, etc. Pickling plate
Monel 400
Monel 400 alloy (UNS N04400 or MCu-28-1.5-1.8 or Ni68Cu28Fe) is a nickel-based alloy material with good corrosion resistance in seawater, chemical solvents, ammonia, sulfur, chlorine, hydrogen chloride, various acidic media such as sulfuric acid, hydrofluoric acid, hydrochloric acid, phosphoric acid, organic acids, alkaline media, salts and molten salts.
Monel 400 (Monel400, N04400) steel plate is a high-performance nickel-based alloy steel plate, which is widely used in various industrial fields due to its excellent corrosion resistance, high strength and good mechanical properties.
Chinese name: Monel 400 alloy Thermal conductivity: 21.8 W/m-K
Melting point: 1300 - 1350 °C Magnetic properties: 200H (At 70 F)
Introduction
Monel 400 alloy has good mechanical properties, a wide range of operating temperatures from low to high temperatures, good welding performance and medium to high strength.
| Ni | Cu | Fe | Mn |
| about 63-70% | about 28-34% | about 2.5% | about 0.5% |
Nickel-Copper Alloy
Monel400 is an alloy material with nickel and copper as the main components. It has excellent corrosion resistance and mechanical properties and is widely used in many industrial fields. The following is a detailed description of Monel400:
1. Chemical composition
Monel400 is mainly composed of about 65% nickel (Ni) and 30% copper (Cu), and contains a small amount of iron (Fe), usually between 1% and 2%. Nickel and copper can be mutually dissolved in any proportion, so there is generally no intermetallic phase precipitation.
2. Corrosion resistance
Monel400 performs well in a variety of corrosive media, including:
Acidic media: such as sulfuric acid, hydrofluoric acid, hydrochloric acid, phosphoric acid and organic acids.
Alkaline media: such as sodium hydroxide solution.
Salt solutions: such as seawater and molten salt.
Other media: such as ammonia, sulfur, chlorine and hydrogen chloride.
3. Mechanical properties
Monel400 has high tensile strength (σb ≥ 450Mpa) and yield strength (σb ≥ 170Mpa), and elongation (δ ≥ 30%), which enables it to adapt to various complex working conditions.
4. Physical properties
Density: about 8.8g/cm³.
Melting point: between 1450°C and 1560°C.
Coefficient of thermal expansion: about 13.9×10^-6/°C between room temperature and 300°C.
5. Application areas
Monel400 is widely used in the following fields due to its excellent performance:
Chemical processing: used to manufacture corrosion-resistant equipment and pipelines.
Marine engineering: used for seawater desalination equipment and ship components.
Aerospace: used to manufacture key components.
Oil and gas: used for drilling equipment and pipeline systems.
6. Other properties
High temperature resistance: Monel400 can maintain its structural stability and mechanical properties at high temperatures.
Wear resistance: It can withstand friction and wear, and is suitable for the manufacture of parts that require high wear resistance.
Electrical conductivity: It has good electrical and thermal conductivity, and is suitable for electronic devices and heat-conducting equipment.
In summary, Monel400 is a nickel-copper alloy with excellent performance, which plays an important role in many industrial fields.