Characteristics Of Spiral Steel Pipe - Product News - News

Spiral steel pipe is a strip of steel or coil according to the spiral zigzag forming, with double-sided submerged arc active welding for the inner seam and the outer seam of the welded spiral steel pipe, because of the following reasons it can be widely used in water, electricity, chemical and other occupations in the production: only need to change the forming point of view, can be used with the same width of the strip to produce a variety of calibre of steel pipe, easy to adjust the shape.
Because it is formed by successive zigzagging, the length of spiral pipe is not constrained, and the length can be set at will. Welding seam spiral shape evenly distributed in the whole spiral pipe circumference, so the spiral pipe scale precision, strength is also stronger. It is easy to change the scale and suitable for the production of small batch and many kinds of spiral pipes.
The weld seam of spiral steel pipe is longer than the weld seam of straight pipe of the same standard, and under the same standard wall thickness, the spiral steel pipe accepts the largest pressure. Spiral steel pipe weld seam shortcomings for the 'oblique shortcomings'. In the process of use, the main stress direction of the pipe, that is, the pipe axis direction of the equivalent shortcomings of the length of the pipe is smaller than the straight seam pipe; Secondly, because the pipeline steel are rolled steel, impact toughness has a greater anisotropy, along the direction of rolling the CVN value can be perpendicular to the direction of rolling the CVN value of 3 times higher.
In order to get used to the demand of modern production, steel structure workshop is invited to be born, steel structure workshop has the following advantages compared with the pre-component workshop, short production time, low production price and usefulness. General steel structure workshop contains steel columns, steel beams, steel structure foundation, steel roof frame, steel roof cover, steel columns are used channel steel in the previous years, in recent years, people have found the defects of channel steel in the construction, and gradually replace the channel steel with spiral steel pipe.