Description Of Hastelloy B2 Round Tubing
For many years, the use of Hastelloy B2 round tubing in the industrial sector has been highly prevalent. This alloy has proven to be extremely effective in a range of settings, making it a preferred option for many applications. From its excellent resistance to corrosion and chemical attack to its impressive durability, Hastelloy B2 tubing offers outstanding performance and reliability. Its ability to withstand high temperatures and pressures makes it an ideal choice for use in critical industrial processes, providing long-lasting and efficient solutions for some of the most demanding industrial environments. Overall, the application of Hastelloy B2 round tubing has proven to be an essential and highly beneficial component in many essential industrial operations.
Hastelloy B2 round tubing is known for its subpar thermal stability at moderate temperatures. This is due to the fact that, when the iron content of the alloy drops below 2%, it becomes susceptible to the β phase transformation (also known as Ni4Mo phase), which is an ordered intermetallic compound. When the alloy is exposed to temperatures within the range of 650-750℃ for an extended period of time, the β phase instantly forms, and this can negatively impact the overall toughness of Hastelloy B-2 alloy. Consequently, it becomes vulnerable to stress corrosion, and this can even cause equipment made from the alloy to crack during production processes such as hot rolling, or in the manufacturing of Hastelloy B-2 alloy equipment where overall heat treatment is required after welding.
Currently, the standard method for testing the intergranular corrosion resistance of Hastelloy B-2 alloy is through the atmospheric boiling hydrochloric acid method, which is recognized and used by countries worldwide. However, it has been discovered that this method is not sensitive enough to the intergranular corrosion tendency of Hastelloy B-2 alloy because of its resistance to hydrochloric acid corrosion. Further research on this alloy has shown that its corrosion resistance is not only dependent on its chemical composition but also on the thermal processing control process employed during its production. Improper control of this process can lead to several undesirable outcomes, including an increase in grain size and the precipitation of high-Mo σ phase between the grains. Such a situation will significantly reduce the Hastelloy B-2 alloy's intergranular corrosion resistance. This is evident in the high-temperature hydrochloric acid test, where the coarse-grained plate and the normal plate experience roughly twice the grain boundary erosion depth.
Technical Parameters Of Hastelloy B2 Round Tubing
As a pipe manufacturer, we prioritize the caliber of our Hastelloy B2 round tubing. You can trust that our products are of the best quality. We are committed to providing clients with reliable and durable products, and we assure you that you won't be disappointed with your purchase.
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