Monel Pipes

Monel Pipes

Monel pipes are a superalloy composed of nickel and copper and are a popular choice for chemical plants, oil refineries, petrochemical facilities and wastewater treatment plants because of their durability.

They are also used in aircraft construction and rocket frames, as they retain strength at high temperatures. In small amounts, Monel also consists of manganese, carbon, iron, and silicon. These pipes were invented by the American engineer Robert Crooks Stanley in 1901, who patented it and named it after their company president, Ambrose Monel. Its corrosion resistance properties make monel ideal for chemical installations that withstand hostile humidity, temperature and abrasive conditions and resist corrosion from rapidly running seawater. Monel pipes are also affordable compared to stainless steel pipes – monel pipe price is relatively economical for its abilities, but compared to copper and nickel, it is expensive.

Monel pipes also offer good resistance against hydrofluoric acid up to the boiling point in all concentrations. These pipes also resist sulphuric and hydrochloric acids in reducing conditions. Pipes made using Monel find applications in other applications such as pump shafts, piping systems, seawater valves, trolling wires and strainer baskets. Monel also serves applications in many chemical industries as it offers resistance to corrosion from acids and oxygen. Types of Monel include Monel 400, Monel 401, Monel 404, Monel 405, Monel K-500 and Monel R-500.

Monel pipes offer many advantages in terms of properties and applications compared to traditional piping materials. In addition to these uses, monel pipes also have excellent mechanical fatigue strength and electrical conductivity. This allows monel to be used as an alternative material choice in multiple cracking loads components like bolts, tools, springs, and fasteners.

400 Monel Pipes

Monel 400 Pipe is made up of a nickel alloy that has roughly 67% nickel in the composition.

400 Monel Pipes

Monel 400 Pipe is made up of a nickel alloy that has roughly 67% nickel in the composition.

400 Monel Pipes are alloys of copper, iron, and nickel. Despite their relatively simple chemical formula, these pipes offer unparalleled strength thanks to a combination of nickel-copper and copper-nickel alloys. The result is a heat-resistive alloy that also works well against corrosion in seawater, acids, and bases – you name it! Monel Pipe has the bonus of being machinable and weldable.

Monel 400 pipes are commonly used in various industries due to their highly durable properties. Their remarkable resistance to pressure and temperature gradients make them especially suitable for use as heat exchangers, pumps, and manifolds, as well as other components that are vulnerable to corrosion. Further, 400 Monel pipes are ideal for carrying both hot and cold fluids due to their excellent mechanical strength, which can prevent thermal expansion or contraction from occurring, and also contains a range of other beneficial properties such as exceptional electrical conductivity, practicality with welding and soldering applications as well as being non-magnetic. Consequently, this ensures its suitability in many environments, including marine conditions.

U shaped Monel 400 tubes

U shaped Monel 400 tubes

Standard

  • ASTM B163 seamless tube standard: Monel 400 seamless tube
  • ASTM B165 standard: Monel 400 seamless pipe, Monel 400 seamless tube
  • ASTM B474 welded pipe standard: Monel 400 EFW pipe

Monel 400, Monel K500 Pipe tube size

  • Seamless Pipe size: 4 to 219mm; W. T.: 0.5 to 20mm
  • Seamless Tube Size: 3.35 mm To 101.6 mm (OD)
  • Welded Pipe size: 5.0 mm – 1219.2 mm

Chemical Analysis (%)

  • Ni (plus Co):63.0 min.-70.0 max.
  • Cu:28.0 min.-34.0 max.
  • C:0.
  • Mn:2
  • Fe:2.5
  • S:0.024
  • Si:0.5

Monel 400® Pipe - Nickel Alloys

Monel 400® pipe meets the requirements of numerous industrial, international, MIL-SPEC, and other specifications. These include:

  • UNS N04400
  • ASTM B165
  • ASTM B829
  • ASTM B775
  • ASTM B725
  • ASTM B163
  • ASTM B730
  • ASTM B751
  • AMS 4574
  • DIN 17752
  • VdTUV 2635

【H】 Ceramic lined pipe

Ceramic lined pipe is made through self-propagating high-temperature synthesis (SHS) technique.

【H】 Cast basalt lined steel pipe

Cast basalt lined steel pipe is composed by lined with cast basalt pipe, outside steel pipe and cement mortar filling between the two layers.

【H】 Ceramic Tile Lined Pipes

Ceramic tile lined pipes have very uniform coating of specially formulated ceramic material that is affixed to the inner of the pipe.

【H】 Rare earth alloy wear-resistant pipe

The material of the rare earth alloy wear-resistant pipe is ZG40CrMnMoNiSiRe, which is also the grade of rare earth alloy steel.

【H】 Tubes Erosion Shields

Tubes Erosion Shields are used to protect boiler tubing from the highly erosive effects of high temperatures and pressures thereby greatly extending tube life.

【H】 ASTM A213 T91 Alloy Tube

The ASTM A213 T91 seamless tubes are primarily used for boiler, superheater, and heat-exchanger.

Ni-Hard Wearback Pipes Ni-Hard Wearback Pipes
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