Monel 400 relies on solid-solution strengthening and cannot be age-hardened, while K500 achieves higher strength through precipitation hardening. Both have equivalent corrosion resistance.
Monel K500 Seamless Pipe Manufacturer
We at XTD (Zhejiang Xintongda Special Steel) are a trusted manufacturer of the Monel K500 seamless pipe. This high-strength, age-hardenable nickel-copper alloy is a non-magnetic alloy used for demanding applications. It consists of 63% min Ni (balance), 27-33% Cu, 2.30-3.15% Al, 0.35-0.85% Ti, with controlled amounts of Fe (≤2.0%), Mn (≤1.5%), C (≤0.25%), Si (≤0.5%), and S (≤0.010%). Our manufacturing process involves extruding or piercing a solid Monel K500 billet to design a weld-free pipe in accordance with the standard. The addition of aluminium and titanium in Monel k500 pipe enhances the strength and stability, hardness, wear resistance and corrosion resistance compared to Monel 400. These pipes are used in aerospace, oil & gas and chemical processing. We are multiple international certified and have an annual supply capacity of 25000 tons. Our 4 decades of experience make us a reliable supplier of UNS N05500 pipes. We supply this pipe within one week for stock orders and 15-60 days for production orders.
Product Specification:
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OD Range
6-457 mm
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Thickness
1-65 mm
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Length
≤ 18 m
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Technical Data
Technical Data
Alloy K-500 Seamless Pipe Manufacturing Process
The manufacturing process of the Alloy K-500 seamless pipe begins by heating a solid nickel-copper billet, followed by piercing or extrusion to create a weld-free hollow container. This is followed by hot working and cold finishing processes to attain accurate dimensions and superior surface quality. After annealing, straightening, and surface polishing, we ensure that our pipes undergo non-destructive testing for demanding applications. Visit our page to know more about our manufacturing process.
Top Features of Monel K500 Pipe
The 4 key features of Monel K500 Seamless Nickel Alloy make it suitable for critical marine and energy systems.
- Precipitation Hardening Capability: The alloy gains its strength due to the formation of Ni₃(Al, Ti) by providing high tensile strength after ageing.
- Non-Magnetic Properties: The alloy stays non-magnetic at room temperature, and can be slightly magnetic after cold working.
- Extreme Hardness and Wear Resistance: Due to age hardening, it offers high strength, hardness and wear resistance under demanding mechanical loads. This makes it beneficial for pump shafts, valves and drilling components.
- Resistance to Corrosion: Monel K500 pipe offers corrosion resistance equivalent to Alloy 400 against seawater, acids, and alkalis, with the added benefit of significantly higher strength and hardness due to precipitation hardening by added aluminium and titanium.
Monel Alloy K500 Seamless Pipe Equivalent Material
The equivalent designation of Monel K500 is UNS N05500. Other global equivalents include W.Nr. 2.4375. These equivalent materials are explained in the table below.
| GRADE | UNS | GB | JIS | ISO | DIN/EN | GOST | |
| ISC | NEW | ||||||
| Monel K-500 | N05500 | 2.4375 | NICu30Al | NICu30Al | NW 5500 | NA 18 | НМЖМц28-2.5-1.5 |
100% Certified Testing & Documentation
- EN 10204 3.1 and EN 10204 3.2 Material Test Certificates (MTC)
- Raw Materials Certificate
- 100% PMI
- Heat Treatment Charts
- Third-Party Inspection Report
- Surface roughness and size measurement
- Manufacturer Test Certificate (Impact Testing, Flattening, Flare, Bend, Hardness, Intergranular, Pitting Corrosion, Grain size, ET, UT, HT)
- Laboratory Test Certificate from the Government-Approved Lab
Monel UNS N05500 Seamless Pipe Industrial Applications
Monel K500 nickel alloy seamless pipes have 8 specific applications in industries that are highly dependent on corrosion and pressure.
Marine & Offshore Engineering
Used for propeller shafts, pump hardware, seawater valves, and subsea tubes. Its resistance to stress-corrosion cracking in high-velocity seawater makes it ideal for marine applications.
Oil & Gas
It is used in drill collars, sour-well tubes, high-pressure valves, and separators, as it is strong, hard and able to resist mechanical wear under high-pressure and hydrogen sulfide environments.
Chemical processing
As it is resistant to corrosion from different chemical compositions, it is used in process reactors, alkali handling lines and acid heat exchangers.
Aerospace
In aerospace, Monel K500 pipes serve in fuel system components, landing gear hydraulics, and engine accessories due to their non-magnetic properties, excellent fatigue resistance, and ability to maintain structural integrity at temperatures up to approximately 400°C (750°F).
Pulp and Paper
UNS N05500 is used in components like doctor blades, scrapers and digestion plants.
Pharmaceutical
It is used in sterilisation lines to ensure purity and durability under high-temperature steam and corrosive cleaning agents.
Electronic Industries
Due to its non-magnetic properties, it is often used in electronic springs, connectors and fasteners. This prevents external harm to sensitive electronic devices
Food Processing
Monel K500 is used in food processing and desalination due to its corrosion resistance in saline water and hygienic environments. It is also available in forms suitable for manufacturing mixing equipment, springs, linkages, and various other components.
Frequently Asked Questions
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What are the key differences between Monel K500 and Monel 400 seamless pipe?
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What are the size ranges for Monel K500 seamless pipes?Our monel K500 seamless pipes are available in lengths up to 18 meters, wall thicknesses between 1-65 mm, and outside diameters between 6-457 mm. We also provide customized options to our clients to meet their specific requirements.
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In what kinds of environments or applications is Monel K500 seamless pipe especially suitable?Monel K500 seamless pipe is especially suitable for seawater systems, sour-well conditions, high-pressure marine equipment, and chemical plants exposed to corrosive alkalis and acids.
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What is the typical delivery condition for Monel K500 seamless pipes?The pipes are delivered in a solution-treated and precipitation-aged condition to ensure optimal strength and corrosion resistance.