Spiral welded pipe

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Update time : 2022-11-25 11:51:03

A certain passage shall be reserved between the stacks of spiral welded pipes. The width of the inspection passage is generally about 0.5m. The width of the access passage depends on the size of the material and the transport machinery, generally 1.5 to 2m

The stacking height of spiral steel pipes shall not exceed 1.2m for manual operation, 1.5m for mechanical operation and 2.5m for stacking width.

If the spiral steel pipes are stacked in the open air, it is necessary to prevent the wooden mat or strip stone under the spiral steel pipes, and the stack surface should be slightly inclined to facilitate drainage, and pay attention to whether the steel pipes are placed straightly to prevent bending and deformation of the steel pipes

Spiral welded pipe is widely used, mostly produced in Hebei. The strength of spiral welded pipe is generally higher than that of straight seam welded pipe. It can produce welded pipe with larger pipe diameter with narrow blank, and can also produce welded pipe with different pipe diameter with blank of the same width. However, compared with straight seam pipes of the same length, the weld length increases by 40~100%, and the production speed is low. After being cut into a single steel pipe, three steel pipe heads of each batch shall be subject to strict first inspection rail system to check the mechanical function, chemical composition, fusion condition of the weld, the surface quality of the steel pipe and the non-destructive inspection and repair to ensure that the pipe manufacturing process is qualified before being officially put into production. Spiral welded pipe has simple production process, high production efficiency, low cost and rapid development.

According to the details, if the warehouse is a cement floor with rising sun, the height of padding at the bottom of the stack of spiral welded pipe is 0.1m; If it is muddy, it must be padded 0.2 to 0.5m high. If it is stored in the open air, the height of cement floor should be about 0.3 to 0.5m, and the height of sediment floor should be 0.5 to 0.7m.

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