ASTM B564 Monel K500 flanges (UNS N05500) are high-strength, corrosion-resistant nickel-copper alloy flanges widely used in marine, oil & gas, and chemical industries. These flanges offer excellent resistance to seawater, high mechanical strength, and long service life. Available in multiple types and sizes, they are manufactured as per ASTM B564 standards and are ideal for critical applications requiring durability and reliability.

Introduction to Monel K500 Flanges

When industries demand a combination of strength, corrosion resistance, and durability, ASTM B564 Monel K500 Flanges UNS N05500 stand out as a trusted solution. These flanges are manufactured using a precipitation-hardenable nickel-copper alloy, making them significantly stronger than Monel 400 while retaining excellent corrosion resistance.

We supply and manufacture a wide range of monel flange products that meet international standards and perform reliably in harsh environments. As experienced monel k500 suppliers, we understand the exact requirements of industries like marine, offshore, and chemical processing.

What is ASTM B564 Monel K500 (UNS N05500)?

Monel K500 (UNS N05500) is an advanced nickel-copper alloy enhanced with aluminum and titanium. This combination allows it to be hardened through heat treatment, giving it:

  • Higher tensile strength
  • Improved hardness
  • Excellent resistance to corrosion and erosion
  • Stability in extreme environments

This makes monel k500 high strength flanges for marine applications highly reliable in seawater and offshore conditions.

Monel Flange Specification

Understanding the monel flange specification is important for selecting the right product:

Specification Details
Standard ASTM B564
Material Grade Monel K500 / UNS N05500
Pressure Class 150# to 2500#
Size Range ½” NB to 48” NB
Types Slip-On, Weld Neck, Blind, Threaded, Socket Weld, Lap Joint
Face Types RF, FF, RTJ
Manufacturing Forged & Machined
Testing PMI, UT, RT, Hydrostatic

Chemical Composition of Monel K500

Element Composition (%)
Nickel (Ni) 63.0 min
Manganese (Mn) ≤ 1.5
Iron (Fe) ≤ 2.0
Carbon (C) ≤ 0.25
Copper 27.0 – 33.0
Silicon (Si) ≤ 0.5
Aluminum (Al) 2.3 – 3.15
Titanium (Ti) 0.35 – 0.85

Mechanical Properties of Monel K500

Property Value
Tensile Strength 965 MPa
Yield Strength 690 MPa
Elongation 20%
Hardness 27-35 HRC

Weight Chart of Monel K500 Flanges

Size (Inch) Class 150 (kg) Class 300 (kg)
1/2" 1.2 1.8
1" 2.5 3.6
2" 5.4 7.8
4" 11.2 16.5
6" 18.5 28.0
8" 28.0 42.5

Dimensions Table

Size OD (mm) Thickness (mm) Bolt Circle (mm)
1" 108 14 27
2" 152 16 52
4" 229 24 102
6" 279 26 154

Applications of ASTM B564 Monel K500 Flanges

Our These flanges are widely used in:

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

Related Monel Flanges

Why Choose Us as Your Monel K500 Supplier

As a reliable Monel K500 Flanges supplier in India, we are committed to delivering superior quality products, consistent performance, and on-time delivery.

    What makes us reliable:

  • In-house manufacturing and machining
  • Strict quality control and testing
  • Ready stock for urgent requirements
  • Global export experience
  • Custom flange solutions

We are also recognized as:

    What makes us reliable:

  • Monel K500 Flange Supplier in Mumbai
  • Monel K500 Flange Manufacturer in India
  • UNS N05500 Flanges Exporter in India
  • Monel K500 Flanges Supplier in UAE
  • Monel K500 Flanges Stockist in Europe

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 high-strength nickel-copper alloy flange made as per ASTM B564 standard, known for corrosion resistance and durability.
They are used in marine, offshore, oil & gas, and chemical industries.
UNS N05500 has higher strength due to precipitation hardening while maintaining corrosion resistance.
Yes, we provide customized monel flange solutions based on project requirements.

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