Monel 400 / K500 Pipes & Tubes are highly demanded in industries where resistance to seawater, acidic environments, and high mechanical strength are crucial. Neonox Overseas, a trusted exporter and supplier of premium nickel alloys, offers Monel 400 and Monel K500 pipes and tubes that meet international standards for quality, precision, and durability.
Monel 400 (UNS N04400 / WNR 2.4360, 2.4361) is a solid-solution nickel-copper alloy that displays excellent resistance to a wide range of corrosive environments. It is particularly resistant to seawater and steam at high temperatures, as well as to salt and caustic solutions. With its high strength and toughness over a wide temperature range, Monel 400 pipes and tubes are extensively used in marine engineering, oil refining, chemical processing, and heat exchangers. They are available in seamless, welded, ERW, and fabricated forms, making them suitable for both general and critical applications.
Monel K500 (UNS N05500 / WNR 2.4375) is a precipitation-hardenable nickel-copper alloy that retains the excellent corrosion resistance of Monel 400 while offering enhanced strength and hardness. The addition of aluminum and titanium provides age-hardening properties, making it ideal for applications requiring superior mechanical properties without compromising corrosion resistance. Monel K500 pipes and tubes are widely used in oil and gas drilling equipment, marine shafts, pump components, chemical plants, and valves. Their ability to withstand high stresses and resist chloride-induced stress corrosion cracking makes them an excellent choice for challenging environments.
At Neonox Overseas, our Monel 400 and K500 pipes & tubes are manufactured to stringent ASTM, ASME, and international standards. We supply them in different types such as seamless, welded, ERW, and fabricated to meet diverse customer requirements. Sizes range from small-diameter precision tubes to large pipes for industrial use, with wall thicknesses available in schedules like SCH 5, SCH 10, SCH 40, SCH 80, SCH 160, and custom options. The products are delivered in plain end, beveled end, or threaded finish, with lengths up to 12 meters or as per client specification.
We ensure exceptional surface finish, dimensional accuracy, and mechanical strength through advanced manufacturing and quality testing. With their superior performance in seawater, chemical processing, petrochemical, and offshore oil & gas industries, Neonox Overseas’ Monel 400 and Monel K500 pipes and tubes are the preferred choice for global clients.
Whether your requirement is for seamless precision tubes for instrumentation, welded pipes for process piping, or heavy-duty fabricated pipes for marine applications, our Monel range provides the perfect combination of strength, reliability, and corrosion resistance.
| Property | Monel 400 | Monel K500 |
|---|---|---|
| UNS Number | N04400 | N05500 |
| WNR Number | 2.4360 / 2.4361 | 2.4375 |
| Standards | ASTM B165 / B725 / B730 / ASME SB165 / SB725 | ASTM B163 / B725 / B730 / ASME SB163 / SB725 |
| Available Types | Seamless, Welded, ERW, Fabricated | |
| Outer Diameter (OD) | 6 mm to 610 mm | |
| Wall Thickness | 0.5 mm to 50 mm (SCH 5 to SCH 160 & Custom) | |
| Length | Up to 12 Meters or Custom Cut Lengths | |
| Density (g/cm³) | 8.80 | 8.44 |
| Melting Point (°C) | 1300–1350 | 1315–1350 |
| Tensile Strength (MPa) | 550 min | 965 min |
| Yield Strength (0.2% MPa) | 240 min | 655 min |
| Elongation (%) | 35 | 20 |
| Hardness (HB) | 110 | 230 (Age Hardened) |
| Corrosion Resistance | Excellent in seawater, acids, caustics | Same as 400 with added strength & hardness |
| Applications | Marine engineering, heat exchangers, chemical processing, pumps | Oil & gas drilling, pump shafts, valves, offshore equipment |
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