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The Inconel tube and the pipe: what are their differences?

Mar 13th 2020 at 11:54 PM

A tube and a pipe may look similar, but in reality, they are very different in their specifications, and in fact, they are rarely interchangeable. In places that we usually visit as our house, our office or our car, we find both.

The first difference is that which emanates, basically, from the purpose of each one.

Purpose of the tube and the pipe

The nickel 200 pipe is designed to transport fluids inside, so its most important properties are focused on the capacity of its interior.

The tube can also transport fluids, but it is also designed for structural and mechanical purposes, such as holding weights, joining parts or protecting cables, so its most important properties are centered on its outer diameter and the thickness of the wall, which allows calculating the weight, torsion or corrosion, among others, that it can support.

The shape of the tube and the pipe

The nickel 201 round bar are always round. That is for two reasons:

A pipe must be easily bent to adapt to the normal long path that must follow from the place of exit of the fluid until its arrival. That would be very difficult if they were square or rectangular.


Calculations show that round pipes produce symmetrical dispersion of suspended particles in the fluid along the direction of flow, while rectangular inconel 600 pipe provide asymmetry. If the pipe that goes to the bathroom faucets were not round, the water would not flow symmetrically.

The tubes can be round, square, and rectangular, depending on the utilization to which it will be projected.

Square or rectangular tubes are usually heavier than round ones since they contain more material for the same diameter with the same wall thickness, and it resists mechanical bending better - the deformation of the tube in a direction perpendicular to its longitudinal axis.

The round inconel 600 tube, on the other hand, are lighter than the square ones, and more rigid when they are of the same weight per meter, and better resist the torsional stress - the twisting of the tube due to the action of screwing it helically.


Both tubes and pipes can be manufactured with various materials, but here we will talk about metallic ones. Depending on the material they are made, they will have one price or another.

The inconel 600 plate are usually made of carbon steel or low alloy steel, moldable, and corrosion-resistant materials that can produce the fluids they carry.

The tubes are usually made of tempered steel, iron, aluminum, brass, copper, chrome, or stainless steel.

Mechanical and chemical properties of each

In the manufacture of tubes and inconel 600 round bar, importance is given to different mechanical and chemical properties. Here are some examples:


Main mechanical properties

  • Pressure
  • Degree of elasticity
  • Ductility


Main chemical elements

  • Carbon
  • Manganese
  • Sulfur
  • Match
  • Silicon
  • Miscellaneous microelements


Main mechanical properties

  • Hardness
  • Tensile strength
  • High accuracy


Main chemical elements

  • Iron
  • Carbon
  • Zinc
  • Copper
  • Nickel
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