Hastelloy C22 tubing temperature limit, sizes and specification
UNS N06022 welded tube & Hastelloy C22 seamless tube suppliers in UAE
What are alloy C22 precision, welded, and seamless tube?
You can order Alloy C22 tubing in different varieties based on your requirements and budget. Rolling strips or sheets get used to produce a welded tube. The seam gets welded via hot forming or cold forming. You can use the latter for the best finish and tolerance. A UNS N06022 welded tube is easy and inexpensive to manufacture. Usually, this technique gets preferred for tubing with larger diameters and thinner walls.
A Hastelloy C22 seamless tube does not have any welding at all. It gets produced via extrusion and uses cold rolling or cold drawing. It shows higher strength and corrosion resistance. It can also tolerate severe temperature and pressure.
Precision pipes can be seamless or welded. Here, the diameter gets expanded for manufacture, i.e., thermal expansion gets used for the production. The final product has high precision and good surface finish. It delivers leak-free and deformation-free performance.
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Difference between annealing, quenching and normalising of alloy C22 tube
These three heat treatments get applied for different purposes. Annealing comprises heating the material to above its critical temperature to start recrystallization. Then, it gets cooled slowly to room temperature. This process intends to soften the material. A Hastelloy alloy C22 annealed tube has improved physical and chemical properties.
Normalizing is similar to annealing, but the material gets cooled faster and out of the furnace. It helps reduce cracking and boosts the plasticity of the material.
In quenching, the material gets heated to its recrystallization temperature and then undergoes quick cooling using a fluid like water. It results in a brittle material.
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What are the advantages of UNS N06022 tube?
The most coveted advantage of this tubing is its corrosion resistance. It can withstand attacks by harsh agents like acids and not undergo deformation.
This property makes such tubing suitable for sensitive industries that employ caustic chemicals, like pharmaceuticals. A Hastelloy 2.4602 heat exchanger tube has corrosion-fighting abilities that contribute to eliminating the risk of microbial contamination. This material also gets used as a filler wire in applications where other corrosion-handling solutions have failed.
Another benefit of this superalloy is its weldability and ductility. You can perform cold work to fulfil customized requirements, like nickel alloy C22 square tubing.
What are different types of Hastelloy C22 tube ?
Alloy C22 tube
Hastelloy C22 tubing
Hastelloy C22 seamless tube
UNS N06022 welded tube
Nickel C22 condenser tubes
DIN 2.4602 redrawn tube
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Hastelloy C22 seamless tube finish types
You can order these tube in different finish types based on application needs and your budget. The drawn finish (better than 16Ra or roughness average) is standard and gets formed when the tube passes through the final die. The 2.4602 Hastelloy C22 extruded tube is bright and smooth with only minor imperfections. However, you won’t get a quality finish if the die is in poor shape.
You can also choose a centre-less ground finish for matte feel. Its outcome is less than 8 Ra.
Another option is a polished finish. Here, the tube goes through polishing machine. The result is the best, but the process is slow and expensive.
You can also request the manufacturer for other customizations like cut to length for nickel C22 condenser tube, stenciling, bead rolling, and bright annealing.
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Why should you ask for an MTC or MTR from Hastelloy C22 tubing suppliers?
A Mill Test Certificate or MTC gets issued by a manufacturer to guarantee that the Hastelloy C22 tubing complies with the required chemical and mechanical properties. It is the most vital certificate you should demand from the supplier while procuring the desired components. An MTC or MTR (Mill Test Report) has all the necessary details to ascertain the quality of the EN 2.4602 boiler tube. These include the dimensions, the heat numbers, the grade, and the test results for standard testing like ultrasounds.
You can also ask for an inspection certificate from the supplier. It confirms the test results after inspecting the UNS 6022 superheater tube. It will assure you that the material adheres to the regulations and specifications you require.