Monel K500 is a nickel-copper alloy which offers excellent corrosion resistance characteristic. It provides greater strength and hardness even in harsh environmental conditions. The combinations of very low corrosion rate in high-velocity seawater and high strength make alloy K-500 perfectly suitable in marine service. Monel K500 is also resistant to acidic gas environment. It has excellent mechanical and chemical properties in high pressure and temperature.
Monel
K500
Flanges
Seven industries depend on Monel K500 flanges where seawater, acid or extreme heat destroys standard alloys within months. Pragati Metal is a trusted Monel K500 flanges manufacturer. Engineers design each flange to match these exact operating conditions.
Wellhead equipment and subsea valves need flanges that resist chloride stress cracking. Monel K500 holds structural integrity at pressures exceeding 10,000 psi during sour gas drilling operations.
Propeller shafts, pump housings and marine piping run on these flanges. K500 resists seawater corrosion at velocities above 30 ft/sec without pitting or surface degradation.
Acidic gas lines and reactor vessels face sulfuric and hydrochloric acid daily. K500 flanges show no measurable material loss even after years of continuous exposure.
Tube sheets and shell flanges cycle between −50°C and 480°C repeatedly. Monel K500 keeps its hardness and seal integrity through every thermal swing.
Steam turbines and boiler feed systems demand strength at elevated temperatures. K500 flanges cut unplanned maintenance in high-pressure steam circuits significantly.
Reverse osmosis units and evaporators handle brine at high salinity around the clock. These flanges resist pitting and crevice corrosion where standard stainless steel fails within months.
Bleaching lines and digesters expose fittings to chlorine and caustic chemicals every shift. K500 flanges hold dimensional stability under this constant chemical load.
Every Monel K500 flange moves through eight controlled stages, from raw billet verification to export-ready packaging, before it reaches the customer.
Six factors separate reliable flange suppliers from the rest.Pragati Metal Corporation built its reputation as a Monel K500 Flanges Supplier on these exact standards, order after order.
Every flange passes chemical, mechanical and physical parameter checks before dispatch. We monitor material at each production stage, not just during final inspection.
Advanced machinery handles non-standard dimensions and specifications beyond catalogue sizes. Custom marking with grade, lot number and degree comes standard on special request.
Before shipping, flanges are inspected by independent inspection agencies to international standards. This sign-off by an independent third party gives buyers documented proof of compliance.
Direct sourcing and lean manufacturing mean reasonable rates, no cutting corners. Bulk and small-batch orders are priced the same for global customers.
Shipments reach clients across offshore, marine and chemical processing hubs worldwide. All consignments are shipped with full export documentation and compliance paperwork.
Orders leave the facility before the committed deadline, packed to prevent transit damage. Moisture-resistant packing material protects against rust throughout the shipping process.
| Standard | ASTM B564 / ASME SB564 |
| Dimensions | ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN |
| Standard | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges |
| Size | 1/2" (15 NB) to 48" (1200NB) |
| Class/Pressure | 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 |
| Flange Face Type | Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ) |
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| STANDARD | UNS | WNR. |
| Monel K500 | N05500 | 2.4375 |
| Grade | C | Mn | Si | S | Cu | Fe | Ni |
| Monel K500 | 0.25 max | 1.5 max | 0.5 max | 0.010 max | 27.00 – 33.00 | 0.5 – 2 | 63.00 min |
| Density | Melting Point | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
| 8.44 g/cm3 | 1350 °C (2460 °F) | Psi – 115000 , MPa – 790 | Psi – 160000 , MPa – 1100 | 20 % |
Pragati Metal & Alloys manufactures Monel K500 Flanges for marine and offshore service, where the high-velocity seawater and constant flexing require more than the corrosion resistance of standard materials. This nickel-copper alloy is strengthened by age hardening with aluminium and has a tensile strength in excess of 130,000, making it superior to the standard Monel 400 for load-bearing service. As a Monel K500 Flanges Manufacturer, we produce flanges rated to be used in sour gas service and acidic environments where chloride stress cracking damages lesser alloys. Working with an established Monel K500 Flanges Supplier means flanges that hold up under 500°C continuous service without losing hardness.