How should spiral steel pipes be stored in summer?

Release date:

2021-03-25

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During the sweltering summer months, spiral steel pipes must be stored according to specific guidelines. As spiral steel pipes naturally absorb heat, improper storage that results in excessive heat release can lead to heatstroke among personnel in the warehouse or storage facility; therefore, this issue warrants careful attention.

　　On a sweltering summer day Spiral steel pipe Storage must follow specific guidelines. Spiral steel pipes naturally absorb heat; if stored improperly, excessive heat release can lead to heatstroke among personnel in the storage yard and warehouse. Therefore, this issue warrants careful attention.

　　When storing spiral steel pipes, it is essential to keep them neatly arranged. Since the standard length of these pipes is fixed at 12 meters, they are easy to stack. Additionally, follow the “large‑first, small‑second” stacking method: place the larger‑diameter pipes first, with the smaller‑diameter ones immediately adjacent, then repeat this pattern for the next set of larger pipes, and so on. This arrangement facilitates rapid heat dissipation and helps lower the temperature in the storage yard.

　　During the summer dry season, spiral steel pipes are highly susceptible to rust. Therefore, when storing them, they should be elevated on fixed wooden blocks or cement strips to prevent prolonged exposure to moisture and avoid unnecessary damage. Cement‑mortar‑lined anti‑corrosion steel pipes are manufactured by mixing cement and sand in a specific ratio and then applying the mixture to the inner wall of the pipe using a centrifugal process, thereby providing corrosion protection on the pipe’s interior surface.

　　Generally, cement‑mortar lining is used for pipelines conveying sewage, as cement mortar offers good corrosion resistance. To this day, many established design institutes still recommend this protective method. However, years of practical experience have shown that it not only wastes resources but also results in a short service life.

　　The inner surface of the cement‑mortar‑lined steel pipe has not been sandblasted, so it fails to meet the Sa2.5 rust‑removal standard. This results in reduced adhesion of the cement mortar, and repeated lifting during installation can easily cause the mortar to spall off. Once the mortar has detached, it can impede the conveyance of wastewater within the pipeline; over time, debris may accumulate, leading to blockage of the pipe.

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