ASME SB163 Monel 400 Nickel / Nickel Alloy Steel Heat Exchanger Tube

Monel 400, also known as Alloy 400, is a nickel-copper alloy known for its excellent corrosion resistance in a wide range of environments, including seawater, hydrofluoric acid, sulfuric acid, and alkalis. It also has good mechanical properties at sub-zero temperatures and up to 538°C (1000°F). Monel 400 is highly resistant to stress corrosion cracking and pitting in most fresh and industrial waters.

Chemical Composition:

Mechanical Properties:

Key Features:

• Corrosion Resistance: Excellent resistance to a wide range of corrosive environments, including acids, alkalis, and seawater.
• Mechanical Properties: Good strength and toughness over a wide range of temperatures.
• Stress Corrosion Cracking Resistance: High resistance to stress corrosion cracking and pitting.
• Ductility: Retains ductility and toughness at sub-zero temperatures.
• Weldability: Good weldability using conventional welding methods.

Applications:

1. Power Generation

• Nuclear Power Plants: Used in nuclear power plant components exposed to aggressive cooling waters and corrosive environments.
• Heat Exchangers: Suitable for heat exchangers in power plants due to its high thermal conductivity and corrosion resistance.
• Steam Generators: Ideal for steam generators where high-performance materials are required.

2. Chemical Processing Industry

• Heat Exchangers: Suitable for heat exchangers that handle corrosive chemicals, including hydrofluoric and sulfuric acids.
• Reactors and Pressure Vessels: Used in reactors and pressure vessels dealing with highly corrosive substances.
• Piping Systems: Ideal for piping systems transporting aggressive chemicals at various temperatures and pressures.

3. Pharmaceutical Industry

• Processing Lines: Used in pharmaceutical processing lines that handle corrosive substances at various temperatures.
• Sterilization Equipment: Suitable for sterilization equipment due to its excellent resistance to corrosive, high-temperature environments.
• Storage Tanks: Ideal for storage tanks and containers exposed to aggressive chemicals.