ASTM B564 Inconel 400 Flanges are high-performance nickel-copper alloy flanges manufactured as per ASTM B564 standards using UNS N04400 (Monel 400) material. These flanges offer excellent corrosion resistance in seawater, acids, and alkaline environments, making them ideal for marine, chemical, and oil & gas industries. Common types include weld neck, slip-on, threaded, socket weld, lap joint, blind, and orifice flanges.

Introduction to ASTM B564 Monel 400 Flanges

When industries operate in highly corrosive environments, standard materials often fail. This is where ASTM B564 Monel 400 flanges become a reliable solution. Manufactured using alloy 400 material, these flanges combine strength, durability, and excellent resistance to harsh chemicals and seawater.

We supply a complete range of monel 400 flange products designed for long service life and consistent performance. Whether you need UNS N04400 flange solutions for offshore platforms or chemical processing units, these flanges are built to meet demanding applications.

Types of ASTM B564 Monel 400 Flanges

We offer a wide variety of flange types to suit different piping systems:

➤ Long Weld Neck Flange

Designed for high-pressure applications, the ASTM B564 Monel 400 flange Longweld Neck Flange provides excellent stress distribution

➤ Slip-On Flange

    The UNS N04400 Slip On Flange is easy to install and commonly used in low-pressure applications.

    ➤ Weld Neck Flange

    We are a trusted UNS N04400 Weld Neck Flange Exporter, offering flanges with superior strength and leak-proof performance.

    ➤ Socket Weld Flange

    The Alloy 400 Socketweld Flange is ideal for small diameter pipelines requiring high pressure resistance.

    ➤ Threaded Flanges

    The ASTM B564 Monel 400 Threaded Flange is suitable for applications where welding is not possible.

    ➤ Lap Joint Flange

    The Monel 400 Lap Joint Flange is used with stub ends for easy alignment and maintenance.

    ➤ Blind Flange

    We are a Monel Blind Flange Stockist, supplying flanges used to close pipe ends securely.

    ➤ Reducing Flange

    The UNS N04400 Reducing Flange connects pipes of different sizes efficiently.

    ➤ Orifice Flange

    We are a leading UNS N04400 Orifice Flange Manufacturer, offering flanges used in flow measurement systems.

    ➤ Tongue & Groove Flanges

    As a UNS N04400 Tongue & Groove Flanges Manufacturer, we supply leak-proof sealing solutions.

    ASTM B564 Monel 400 Flange Specification

    Standard & Material Details

    • Specification: ASTM B564 Monel 400
    • Material Grade: UNS N04400
    • Type:: Forged Flanges
    • Pressure Ratings:: Class 150 to 2500
    • Standards:: ASME B16.5, ASME B16.47
    • Size Range:: ½” NB to 48” NB

    Available Forms

    • UNS N04400 Forge Flange
    • ASTM B564 Monel 400 Flange
    • Monel 400 Lap Joint Flange
    • UNS N04400 Slip On Flange
    • UNS N04400 Socketweld Flange
    • ASTM B564 Monel 400 Threaded Flange

    Chemical Composition of Monel 400 Flange

    Element Composition (%)
    Nickel (Ni) 63.0 min
    Manganese (Mn) 2.0 max
    Iron (Fe) 2.5 max
    Carbon (C) 0.3 max
    Copper 28.0 – 34.0
    Silicon (Si) 0.5 max

    Mechanical Properties of Monel 400 Flanges

    Property Value
    Tensile Strength 550 MPa
    Yield Strength 240 MPa
    Elongation 35%
    Hardness 65-85 HRB

    ASTM B564 Monel 400 Flange Weight Chart

    Size (Inch) Class 150 (kg) Class 300 (kg)
    1/2" 2.5 2.0
    1" 5.0 3.5
    2" 10.5 7.0
    4" 18.0 15.0
    6" 30.0 25.0
    8" 1.5 45.0

    Dimensions Table

    Size OD (mm) Thickness (mm) Bolt Circle (mm)
    1" 108 14 79
    2" 152 16 120
    4" 229 18 191
    6" 279 20 241

    Applications of ASTM B564 Monel 400 Flanges

    Our These flanges are widely used in:

    • Chemical Processing Industries
    • Oil & Gas Pipelines
    • Marine Engineering
    • Heat Exchangers
    • Desalination plants
    • Power Generation Plants

    Due to their corrosion resistance, monel 400 flange suppliers often recommend them for seawater applications.

    Related Monel Flanges

    Why Choose Us as ASTM B564 Monel 400 Flange Suppliers

    As experienced ASTM B564 Monel 400 flange suppliers, we focus on delivering quality and reliability:

    • Wide stock of UNS N04400 flange products
    • Competitive pricing and global export support
    • Strict quality control and testing
    • Fast delivery timelines
    • Custom sizes and specifications available

    As a trusted Monel 400 Flanges Manufacturer in India, we ensure each flange meets performance expectations in critical environments.

    Quality Assurance & Testing

    Every ASTM B564 Monel 400 flange undergoes:

    • PMI Testing
    • Ultrasonic Testing
    • Hydrostatic Testing
    • Third-Party Inspection
    • Visual Inspection

    We ensure complete documentation including Mill Test Certificates (MTC).

    Frequently Asked Questions

    It is a standard specification for forged flanges made from Monel 400 (UNS N04400) alloy.
    They are used in marine, chemical, and high-temperature applications.
    Monel 400 offers superior corrosion resistance, especially in seawater and acidic environments.
    Yes, we provide customized monel flange solutions based on project requirements.

    Request Your ASTM B564 UNS N04400 Flanges Quote Today!
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