Monel K500 Seamless Pipes UNS N05500 W.Nr.2.4375 ASTM B163 B163 Monel Alloy K5-500

Monel K500 is a nickel-copper alloy with excellent corrosion resistance and high strength, widely used in marine engineering, chemical processing, and aerospace industries.

Material Description

• Alloy Name: Monel K500
• Chemical Composition: Mainly composed of nickel (63-70%) and copper (27-33%), also containing aluminum (2.3-3.15%), titanium (0.35-0.85%), and small amounts of iron, manganese, silicon, etc.
• Standards: ASME SB163, ASTM B163, ASTM B165, etc.

Characteristics

• High Strength: Monel K500 has significantly improved strength through the addition of aluminum and titanium elements and age-hardening treatment.
• Excellent Corrosion Resistance: Offers excellent resistance to corrosion in seawater and chemical environments, especially in chloride and sulfide environments.
• Resistance to Stress Corrosion Cracking: Exhibits good resistance to stress corrosion cracking in most freshwater and industrial environments.
• Low Magnetism: Maintains low magnetic properties even at low temperatures.

Physical Properties

• Density: 8.44 g/cm³
• Melting Point: 1350-1390 ℃
• Tensile Strength: 110 ksi (759 MPa)
• Yield Strength: 85 ksi (586 MPa) (after age-hardening treatment)
• Elongation: 20% (after age-hardening treatment)

Applications

1. Marine Engineering: Used to manufacture components like pump shafts and propeller shafts in marine environments due to its excellent seawater corrosion resistance.
2. Chemical Processing: Used in the production and handling of chemical equipment such as heat exchangers and reactors.
3. Oil and Gas: Used in oil well tools and equipment, especially in sulfur-containing environments.
4. Aerospace: Used to manufacture aircraft structural components and engine parts due to its high strength and corrosion resistance.
5. Nuclear Industry: Used in some components of nuclear reactors due to its corrosion resistance and non-magnetic properties.

Manufacturing and Processing

• Manufacturing Method: Seamless pipes are manufactured through extrusion and cold drawing processes to ensure high precision and excellent surface quality.
• Processing: Monel K500 can be processed using conventional cutting, welding, and forming techniques. Suitable filler materials, such as Monel 60 welding wire, are typically used during welding.

Dimensions and Specifications

• Outer Diameter Range: Typically from 6 mm to 273 mm.
• Wall Thickness: Ranges from 0.5 mm to 15 mm.
• Length: Typically 6 meters, 12 meters, or customized according to client requirements.

Surface Treatment

• Pickling: Removes surface oxides and impurities.
• Polishing: Provides a smooth surface to meet specific application requirements.

Chemical Composition(%):