ASTM B127 UNS N04400 Monel 400 Strip Nickel Alloy Coil With Corrosion Protection

Monel400 Nickel Alloy Wire NO4400 Copper Nickel Alloy Wire 40% Elongation With Good Welding Performance

Product Introduction

Monel 400 strip is a high-performance nickel-based alloy strip with excellent strength and toughness, and it maintains good ductility even at low temperatures. It is a solid solution alloy that can achieve high strength properties by cold working hardening without aging hardening treatment. Monel 400 strip exhibits excellent corrosion resistance in a variety of reducing environments, especially in media such as seawater, hydrofluoric acid, sulfuric acid and hydrochloric acid. In addition, it has good resistance to stress corrosion cracking and pitting corrosion, and can operate stably for a long time in fresh water and industrial waters.

Monel 400 strip is widely used in oil and gas extraction, marine engineering, chemical and petrochemical processing and other fields. It can not only withstand extreme environmental conditions, but also maintain stable performance in the temperature range from cryogenic to 260°C. Whether it is used to manufacture complex mechanical parts or provide reliable solutions in highly corrosive environments, Monel 400 strip is an ideal choice.

Parameter

Specific Applications

1. Marine Engineering: Due to its excellent resistance to seawater corrosion, Monel 400 strip is widely used in the manufacture of parts that are exposed to seawater for a long time, such as ship parts, diving equipment, underwater piping systems, desalination units, ship bearings, propellers, propulsion shafts, fasteners and seawater valves.
2. Chemical and Hydrocarbon Processing: In the chemical industry, Monel 400 strip is used to manufacture equipment that handles corrosive chemicals, such as containers, heat exchangers, evaporators, pumps, valves, heat exchangers, storage tanks and piping systems, etc. It can resist corrosion from a variety of chemicals (including brine solutions, alkali solutions and chlorinated solvents) to ensure long-term stable operation of the equipment.
3. Oil and Gas Industry: Monel 400 strip performs well in oil distillation towers, crude oil distillation equipment, gasoline and fresh water storage tanks, pump shafts, oil well tools and springs, etc. It can resist corrosion in high temperature and high pressure environments and meet complex process requirements.
4. Aerospace: With its high strength, low temperature stability and low magnetism, Monel 400 strip also plays an important role in fuel tanks, piping systems, engine parts, aircraft frames, landing gear and fasteners in the aerospace field.
5. Electrical and Electronic Assemblies: Monel 400 strip is used in electrical and electronic assemblies such as sensors and electronic packaging because of its good electrical conductivity and corrosion resistance.

Advantages and Characteristics

• Excellent corrosion resistance: Monel 400 strip contains a high proportion of nickel and copper. Nickel can effectively resist the corrosive media in the ocean, including pitting and crevice corrosion caused by chloride ions, making it very resistant to seawater, acidic solutions, hydrofluoric acid, etc. It performs well in corrosive environments such as alkali solutions, and its corrosion rate is significantly lower than other common metal materials such as stainless steel and brass.
• Good mechanical properties: Even at sub-zero temperatures, Monel 400 strip can maintain stable mechanical properties. Its tensile strength is usually in the range of 480-620 MPa, its yield strength is about 170-345 MPa, and its elongation is usually 30 %-40%, with a Brinell hardness of 130-180 HB. It also has good fatigue and creep resistance and can maintain structural integrity under high stress environments.
• Good machinability: Monel 400 strip has good welding properties and is suitable for a variety of welding methods such as gas shielded welding, manual arc welding and automatic welding. The welding heat affected zone will not significantly affect the mechanical properties of the material. The processing performance at room temperature and medium temperature is good, and its strength and hardness can be significantly improved by cold working, but appropriate intermediate annealing is required after cold working to restore the ductility and toughness of the material.

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Related Questions and Answers

1. What is Monel 400 Strip made of?

Monel 400 Strip is a nickel-copper based alloy, mainly composed of nickel (Ni) and copper (Cu), with high strength and good ductility.

2. What are the main application areas of Monel 400 Strip?

Monel 400 Strip is widely used in marine, chemical, petroleum and other fields, especially suitable for high temperature and corrosive environments such as seawater treatment equipment, heat exchangers, pump shafts, etc.

3. What is the processing performance of Monel 400 Strip?

Monel 400 Strip has good cold working performance, and its mechanical properties can be improved by cold working, but intermediate annealing is required to eliminate stress.

4. What is the heat treatment process of Monel 400 Strip?

The heat treatment of Monel 400 Strip is usually carried out in the temperature range of 700 to 900°C (1300 to 1650°F), and the recommended temperature is about 825°C (1510°F). Rapid air cooling or water quenching is recommended.