Monel 400 Pipe Fittings Supplier, Exporter & Manufacturer in Mumbai, India

Monel 400 Pipe Fittings are manufactured from a nickel-copper alloy containing a high percentage of nickel, copper as the primary alloying element, and controlled amounts of iron, manganese, carbon, and silicon. Each constituent contributes to the alloy’s overall characteristics, delivering a useful combination of corrosion resistance, mechanical strength, toughness, ductility, and durability for demanding industrial applications. Nickel provides resistance to many corrosive environments, while copper contributes to the alloy’s performance in marine conditions and selected chemical-processing applications. Monel 400 is particularly recognized for its resistance to seawater, marine atmospheres, and hydrofluoric acid under suitable service conditions. Its ability to retain useful mechanical properties across a broad temperature range also makes it suitable for specialized piping systems. Depending on project requirements, Monel 400 Pipe Fittings can be supplied in different sizes, dimensions, wall thicknesses, fitting configurations, connection types, pressure classes, manufacturing forms, surface finishes, and applicable material specifications. Available configurations may include elbows, tees, reducers, caps, and other fittings used to connect or redirect industrial piping systems. Their combination of corrosion resistance, mechanical integrity, toughness, durability, and dependable service performance makes them suitable for applications across marine engineering, offshore facilities, chemical processing, oil and gas, seawater handling systems, heat exchangers, pumps and valves, hydrofluoric acid processing equipment, industrial fluid transfer, and specialized manufacturing. The appropriate fitting type and material specification should be selected according to the operating temperature, pressure, chemical exposure, fabrication requirements, and applicable industry standards to help ensure reliable performance in the intended service environment.

Specification	Monel 400 Pipe Fittings
International Standards	ASTM B366, ASME SB366, ASTM B165, ASTM B725, ASTM B775, where applicable
UNS No.	N04400
DIN / WNR	2.4360
Seamless Pipe Size	Commonly 1/8″ NB to 8″ NB, depending on availability
Welded Pipe Size	Available in various sizes, subject to manufacturer specifications
Wall Thickness Schedules	SCH 5S, 10S, 20, 40, 80, 160, STD, XS, XXS, subject to availability
Pipe Types	Seamless, Welded, ERW, Fabricated
Fitting Types	Elbow, Equal Tee, Reducing Tee, Reducer, Cap, Cross, Stub End
Form	Round and custom configurations
Length	Standard lengths or cut-to-size, where applicable
End Finish	Plain End (PE), Beveled End (BE), Threaded, Socket Weld, Butt Weld
Surface Condition	Hot Finished, Cold Worked, Annealed, Pickled, Machined
Material Grade	Monel 400 Nickel-Copper Alloy
Corrosion Resistance	Excellent resistance to seawater and many acidic and alkaline environments
Temperature Resistance	Suitable for a wide range of operating temperatures, depending on service conditions
Applications	Marine Equipment, Chemical Processing, Heat Exchangers, Oil and Gas, Industrial Piping Systems

Specification

Monel 400 Pipe Fittings

International Standards

ASTM B366, ASME SB366, ASTM B165, ASTM B725, ASTM B775, where applicable

UNS No.

N04400

DIN / WNR

2.4360

Seamless Pipe Size

Commonly 1/8″ NB to 8″ NB, depending on availability

Welded Pipe Size

Available in various sizes, subject to manufacturer specifications

Wall Thickness Schedules

SCH 5S, 10S, 20, 40, 80, 160, STD, XS, XXS, subject to availability

Pipe Types

Seamless, Welded, ERW, Fabricated

Fitting Types

Elbow, Equal Tee, Reducing Tee, Reducer, Cap, Cross, Stub End

Form

Round and custom configurations

Length

Standard lengths or cut-to-size, where applicable

End Finish

Plain End (PE), Beveled End (BE), Threaded, Socket Weld, Butt Weld

Surface Condition

Hot Finished, Cold Worked, Annealed, Pickled, Machined

Material Grade

Monel 400 Nickel-Copper Alloy

Corrosion Resistance

Excellent resistance to seawater and many acidic and alkaline environments

Temperature Resistance

Suitable for a wide range of operating temperatures, depending on service conditions

Applications

Marine Equipment, Chemical Processing, Heat Exchangers, Oil and Gas, Industrial Piping Systems

Element	Content (%)
Nickel (Ni)	63.0 min
Copper (Cu)	28.0–34.0
Iron (Fe)	2.5 max
Manganese (Mn)	2.0 max
Carbon (C)	0.30 max
Silicon (Si)	0.50 max
Sulfur (S)	0.024 max

Element

Content (%)

Nickel (Ni)

63.0 min

Copper (Cu)

28.0–34.0

Iron (Fe)

2.5 max

Manganese (Mn)

2.0 max

Carbon (C)

0.30 max

Silicon (Si)

0.50 max

Sulfur (S)

0.024 max

Mechanical Property	Monel 400 Pipe Fittings
Material Grade	Monel 400
UNS Number	N04400
Tensile Strength	Approximately 480 MPa minimum, depending on product form and condition
Yield Strength (0.2% Offset)	Approximately 170 MPa minimum, depending on product form and condition
Elongation	Typically 30% or higher, depending on specification and condition
Hardness	Typically around 65–85 HRB in annealed condition
Density	Approximately 8.8 g/cm³
Melting Range	Approximately 1,300–1,350°C
Modulus of Elasticity	Approximately 179 GPa
Thermal Conductivity	Approximately 21.8 W/m·K at room temperature
Corrosion Resistance	Excellent resistance to seawater and many acidic and alkaline environments
Toughness	Good toughness over a broad temperature range
Workability	Good cold-working properties; hardens during deformation

Mechanical Property

Monel 400 Pipe Fittings

Material Grade

Monel 400

UNS Number

N04400

Tensile Strength

Approximately 480 MPa minimum, depending on product form and condition

Yield Strength (0.2% Offset)

Approximately 170 MPa minimum, depending on product form and condition

Elongation

Typically 30% or higher, depending on specification and condition

Hardness

Typically around 65–85 HRB in annealed condition

Density

Approximately 8.8 g/cm³

Melting Range

Approximately 1,300–1,350°C

Modulus of Elasticity

Approximately 179 GPa

Thermal Conductivity

Approximately 21.8 W/m·K at room temperature

Corrosion Resistance

Excellent resistance to seawater and many acidic and alkaline environments

Toughness

Good toughness over a broad temperature range

Workability

Good cold-working properties; hardens during deformation

Physical Property	Monel 400 Pipe Fittings
Material Grade	Monel 400
UNS Number	N04400
Density	8.80 g/cm³
Melting Range	1,300–1,350°C
Specific Heat Capacity	Approximately 427 J/kg·K
Thermal Conductivity	Approximately 21.8 W/m·K
Electrical Resistivity	Approximately 0.55 µΩ·m
Modulus of Elasticity	Approximately 179 GPa
Poisson’s Ratio	Approximately 0.32
Coefficient of Thermal Expansion	Approximately 13.9 × 10⁻⁶ /°C
Magnetic Properties	Magnetic at room temperature
Appearance	Silvery metallic finish
Corrosion Resistance	Excellent in seawater and many alkaline environments

Physical Property

Monel 400 Pipe Fittings

Material Grade

Monel 400

UNS Number

N04400

Density

8.80 g/cm³

Melting Range

1,300–1,350°C

Specific Heat Capacity

Approximately 427 J/kg·K

Thermal Conductivity

Approximately 21.8 W/m·K

Electrical Resistivity

Approximately 0.55 µΩ·m

Modulus of Elasticity

Approximately 179 GPa

Poisson’s Ratio

Approximately 0.32

Coefficient of Thermal Expansion

Approximately 13.9 × 10⁻⁶ /°C

Magnetic Properties

Magnetic at room temperature

Appearance

Silvery metallic finish

Corrosion Resistance

Excellent in seawater and many alkaline environments

Monel 400 Pipe Fittings are widely used in industrial applications where corrosion resistance, mechanical strength, toughness, reliable connections, and long-term service performance are essential. Their nickel-copper alloy composition provides valuable resistance to seawater, marine atmospheres, and selected corrosive chemical environments, making them suitable for demanding piping installations. Monel 400 is particularly valued in applications involving hydrofluoric acid under appropriate operating conditions, as well as marine and chemical-processing environments where material compatibility is a key consideration. These fittings are commonly utilized in marine engineering, offshore installations, oil and gas facilities, chemical processing plants, seawater handling systems, heat exchangers, pumps and valves, industrial fluid transfer, power generation, and specialized equipment manufacturing. Depending on application needs and project specifications, they can be supplied in configurations such as elbows, tees, reducers, caps, and other pipe fittings, with different sizes, dimensions, schedules, connection types, and surface finishes to suit installation requirements. Their combination of corrosion resistance, useful mechanical properties, and fabrication suitability makes them a practical option for connecting, redirecting, and adapting piping systems in challenging industrial environments. Proper material selection remains essential because corrosion resistance and service performance depend on chemical composition of the process media, temperature, pressure, flow conditions, and other operating factors. With their combination of corrosion resistance, mechanical reliability, toughness, dimensional accuracy, and durability, Monel 400 Pipe Fittings provide a suitable material solution for specialized industrial systems where dependable connections and consistent performance are important throughout the intended service life.