The following points should be paid attention to in the purchase process of large-diameter thick-walled spiral welded pipe:

1. The raw material of large-diameter thick-walled spiral welded pipe is hot coiled plate. Generally, the manufacturer of thick-walled hot-rolled coiled plate has no inventory, and it needs to be rolled by the steel mill, not to mention the spot pipe, which will cause the long construction period of the large-diameter thick-walled spiral welded pipe. Therefore, the construction period factor needs to be considered when ordering large-diameter thick-walled spiral welded pipes.

2. The diameter and wall thickness of the large-diameter thick-walled spiral welded pipe should be communicated with the manufacturer to avoid deviations and difficult delivery.

3. The main problem is transportation. Because the diameter of the large-diameter thick-walled spiral welded pipe is large, it is quite difficult to transport. Generally, there are not many semi-trailer trucks, so the freight is relatively high, which is inevitable and needs to be paid attention to. the point.