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High-Performance Monel 400/K500 Flanges: Strength, Durability & Industrial Versatility

Monel 400 and Monel K500 flanges are a top choice for industries that demand superior corrosion resistance, high strength, and long-lasting performance. At Sandvik, we specialize in supplying these high-grade alloy flanges to various sectors worldwide. Whether you're working in marine engineering, chemical processing, or aerospace applications, Monel 400/K500 Flanges Manufacturers like Sandvik are your trusted partner for quality and reliability.

So, what exactly are Monel 400/K500 flanges? These flanges are forged components made from Monel alloys—nickel-copper (Monel 400) and nickel-copper with added titanium and aluminum (Monel K500). Monel 400 offers excellent resistance to corrosive environments, while Monel K500 provides added strength and hardness due to its age-hardenable properties. These flanges are used to connect pipes, valves, pumps, and other equipment, ensuring secure, leak-proof joints in high-stress systems.

One of the biggest advantages of using Monel 400/K500 flanges is their exceptional resistance to seawater, acids, alkalis, and other aggressive chemicals. Monel 400 flanges resist stress corrosion cracking and are ideal for high-temperature environments. Monel K500 flanges, on the other hand, deliver higher mechanical strength and are non-magnetic even at sub-zero temperatures. These properties make them ideal for high-performance, mission-critical systems. That's why Monel 400/K500 Flanges Suppliers are in high demand across oil & gas, power generation, and marine sectors.

Monel flanges are widely used in diverse industries. In the marine industry, they’re essential for pump shafts, seawater valves, and underwater fasteners. In chemical and petrochemical plants, they withstand harsh process fluids and elevated temperatures. Aerospace industries utilize Monel K500 for fuel and hydraulic systems. You’ll also find them in nuclear reactors, heat exchangers, and even musical instruments. As one of the leading Monel 400/K500 Flanges Stockists, Sandvik provides a ready inventory to meet urgent and large-scale industrial needs worldwide.

We offer a wide variety of Monel 400/K500 flange types to match different piping and engineering requirements:

Weld Neck Flanges: Known for their strength and durability, they’re used in high-pressure environments where stress at the base of the flange is a concern.

Slip-On Flanges: Easy to install and align, they are ideal for low-pressure systems and provide a secure connection with minimal welding.

Blind Flanges: Used to close the end of pipes, valves, or equipment openings. Perfect for maintenance and inspection access points.

Socket Weld Flanges: Ideal for small-diameter, high-pressure piping. These flanges are inserted into a recessed area and then welded.

Threaded Flanges: Common in low-pressure applications. They allow flanged joints without welding, making them great for explosive environments.

Lap Joint Flanges: Best used with stub ends, allowing easy alignment and disassembly in systems that require regular inspection or cleaning.

With their unique blend of corrosion resistance, strength, and adaptability, Monel 400/K500 flanges are a cornerstone in modern engineering. Sandvik, as one of the premier Monel 400/K500 Flanges Exporters, delivers precision-crafted flanges that meet international standards and exceed performance expectations. Trust Sandvik for dependable supply, expert guidance, and industry-best solutions tailored to your project’s needs.

Specification of Monel 400/K500 Flanges

Monel Flanges Specification : ASTM B564 / ASME SB564
Dimension Standard : ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Standard : ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
Size : 1/2" (15 NB) to 48" (1200NB)
Class / Pressure : 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Flange Face Type : Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
DIN Flanges : DIN 2527, 2566, 2573, 2576, 2641,2642, 2655, 2656, 2627, 2628, 2629, 2631, 2632, 2633, 2634, 2635, 2636, 2637,2638, 2673.
JIS Flanges : JIS B2220 5K, JIS B2220 10K, JIS B2220 16K, JIS B2220 20K
BS Flanges : BS4504 PN 6, BS 4504 PN 10, BS4504 PN 16, BS4504 PN 25, BS4504 PN 40, BS 4504 PN 64, BS 4504 PN 100, BS 4504 PN 160, BS 4504 PN 250, BS 10, BS Table D, BS Table E, BS Table F, BS Table H.

Equivalent Grades of Monel 400/K500 Flanges

STANDARD UNS WNR. JIS EN
Monel 400 N04400 2.4360 NW 4400 NiCu30Fe
Monel K500 N05500 2.4375 - -

Chemical Composition of Monel 400/K500 Flanges

Grade Ni Fe C Mn Si Cu Al Ti S
400 63.0- 70.00 max 2.50 max 0.3 max 2.00 max 0.50 max Remainder - - 0.024 max
K500 63.0 min 05 - 2 0.25 max 1.5 max 0.5 max 27.0 - 33.0 2.3 - 3.15 0.35 - 0.85 0.010 max

Mechanical Properties of Monel 400/K500 Flanges

Grade Tensile (ksi) .2% Yield (ksi) Elongation % Hardness (HRb)
400 75 to 90 25 to 50 60 to 35 60 to 80
K500 Psi – 1,60,000 , MPa – 1100 Psi – 1,15,000 , MPa – 790 20 % -