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Monel400 steel plate N04400 copper-nickel alloy plate for petrochemical industry T 3-50MM
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% |
| Density | 0.318 lb / in3 |
| 8.80g/cm3 | - |
| Elastic modulus | 26 000 ksi |
| Heating energy | 0.427 J/g-°C |
| Coefficient of thermal expansion, in./in./ F x 106 | - |
| 70-200F | 7.7 |
| 70 - 400 F | 8.6 |
| 70 - 800 F | 8.9 |
| 70 - 1000 F | 9.1 |
| shape | tensile strength | Yield Strength (0.2% Offset) | Elongation, % | hardness | - | - | - |
| - | ksi | MPa | - | Brinell (3000-kg) | Rockwell B | - | - |
| Rods | 70-110 | 480-760 | 25-85 | 170-585 | 50-5 | 110min | 60min |
| Plate | 70-95 | 482-655 | 28-75 | 193-517 | 50-30 | 110-215 | 60-96 |
| sheet | 70-120 | 482-827 | 30-110 | 207-758 | 45-2 | - | 65min |
| Strip | 70-140 | 482-965 | 25-130 | 172-896 | 50-2 | - | 68min |
| Seamless pipe | 70-130 | 482-896 | 25-110 | 172-758 | 50-3 | - | 100max |
| Cold drawn wire | 70-180 | 482-1241 | 30-170 | 207-1172 | 45-2 | - | - |
Performance characteristics
High strength : Monel 400 exhibits excellent mechanical properties at both room temperature and high temperature, with high yield strength and tensile strength .
High corrosion resistance : The alloy performs well in various corrosive environments, especially for media such as acids, alkalis, and salts. For example, it can maintain corrosion resistance in sulfuric acid with a concentration of less than 85%, and is one of the few materials that can withstand hydrofluoric acid corrosion .
Excellent thermal stability: Monel 400 can still maintain good performance at high temperatures and is suitable for applications in high temperature environments.
Good processing performance: The alloy can be processed by various methods such as forging, casting, machining and welding.
Application areas
Monel 400 is widely used in many fields due to its excellent performance:
Petrochemical: Used to manufacture corrosion-resistant pipes, pumps and valves.
Marine engineering: Equipment and structures suitable for marine environments, such as shipbuilding, valves, pumps, shafts, etc.
Aerospace: Used to manufacture key components in aerospace vehicles.
Electronic industry: Used in the manufacture of electronic components, especially in situations where corrosion resistance and high stability are required.
Chemical processing equipment: Used for services with corrosive media such as fluorides, hydrofluoric acid, hydrochloric acid, sulfuric acid, etc.
Power generation: Such as water supply heaters and steam generators.