Nickel Alloy Pipe Exchanger Tubes

Nickel Alloy Pipe Exchanger Tubes ASME SB163/ SB167 UNS NO6600 NO6601

Nickel Alloy Pipes: Benefits, Manufacturing & More...

600,601,625... Alloy Tube Nickel Alloy Pipes: Benefits, Manufacturing & More Nickel alloy pipes are a popular choice for many different projects. Let`s take a brief look at their benefits, manufacturing process, grades and applications.

Benefits

Using nickel alloy pipe brings three primary advantages:

Resistance to Heat

Some nickel pipe alloys can endure very high temperatures, making them advantageous in machinery or other environments where intense heat is present.

Resistance to corrosion

Oxidation reactions cause corrosion. Nickel alloys have a slower rate of oxidation than most metals, meaning they can resist corrosion for longer.

Low Rate Of Expansion

Many nickel alloys pipes have either a low rate of thermal expansion or a rate of thermal expansion that can be predicted very accurately. This makes them desirable in high-temperature environments where you need a uniform shape.

Manufacturing

Nickel alloy pipes are made with a complex manufacturing process that begins with the purest materials. Contaminated materials would lead to pipes without the beneficial properties mentioned above. The stages of the manufacturing process include:

• melting
• hot rolling
• acid pickling
• annealing
• wire drawing
• cold rolling/slitting

Throughout the process, quality control is maintained through a wide range of statistical tests.

Grades

There are a number of different grades of nickel alloy pipes. Some of the most popular include:

Nickel 625 Tubing

This grade is comprised of 20 to 30 percent chromium, which is a greater amount than many other nickel alloys. It`s often found in engine exhaust systems.

Nickel 600 Pipe

Nickel 600 offers a handful of unique benefits: it can be joined with many different methods, it`s very workable, and it performs well in very high and low temperatures.

Nickel 601 Pipe

Often used in high temperature environments, Nickel alloy pipe 601 has a high creep rupture strength and good mechanical strength.

Nickel 400 Tubing

Comprised of around 23% copper, Nickel 400 tubing is often used in oil towers, crude petroleum stills, de-aerating heaters, marine projects, heat exchangers, freshwater tanks and gas tanks. Furthermore, it also performs very well in alkaline salt and salt water.

Applications:

The beneficial properties of nickel alloys make them useful in a wide variety of applications. These include:

• Turbine Blades, seals and combustors
• Electric submersible well pump motor shafts
• High temperature fasteners
• Heat exchanger tubing
• Steam generators in nuclear pressurized water reactors
• Sound suppressors
• Race car exhaust systems
• Incinerator boilers
• Rocket planes
• Nuclear power systems

Chemical Composition:

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