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Overview
Bright annealed coil tube refers to a type of stainless steel or nickel alloy tube that has been annealed in a controlled atmosphere to achieve a bright, scale-free surface finish. The annealing process involves heating the tube to a specific temperature and then cooling it slowly to remove any internal stresses and improve its ductility resistance. Bright annealed coil tubes are commonly used in applications that require high purity and cleanliness, such as in the pharmaceutical, biotechnology, and semiconductor industries. They are also used in heat exchangers, condensers, and other fluid transfer systems where resistance to corrosion is essential. The coil tube design allows for easier installation and reduces the need for welding, resulting in a seamless and leak-free system. The bright annealed surface finish provides excellent corrosion resistance and makes the tube easy to clean and maintain. Overall, bright annealed coil tubes offer superior performance and durability in demanding environments, making them a popular choice in various industries.
Some characteristics of coil tubes include:
Chemical Composition of TP316L
Element | Composition, % | Composition, % |
---|---|---|
C | ≤0.08 | ≤0.035 |
Mn | ≤2.00 | ≤2.00 |
P | ≤0.045 | ≤0.045 |
S | ≤0.030 | ≤0.030 |
Si | ≤1.00 | ≤1.00 |
Cr | 16.0-18.0 | 16.0-18.0 |
Ni | 10.0-14.0 | 10.0-14.0 |
Mo | 2.00-3.00 | 2.00-3.00 |
Mechanical Properties of TP316L
Tensile Requirements | TP316 | TP316L |
---|---|---|
Tensile Strength | 515 | 485 |
Yield Strength | 205 | 170 |
Elongation in | 35 | 35 |
Elongation in | 25 | 25 |
Application: