As far as I know, many people don't know the difference between cold-drawn seamless steel pipe and ordinary welded pipe very clearly. Today we will talk about the difference between them. In fact, we can only think of the main differences between the two pipes from their names. However, as a professional sales enterprise of cold-drawn seamless steel pipe, I would like to give you a brief introduction, so that friends have a general understanding of the difference between cold-drawn seamless steel pipe and ordinary welded pipe.
Cold-drawn seamless steel pipe is different from common welded pipe mainly in forming process. Ordinary steel pipes, such as tap water pipes, are usually welded by bending the plate. You can find a weld on it; the larger diameter is usually spiral weld. Seamless steel pipes are usually formed by backing up molten steel through annular slits and then stretching, so that there is no weld, the strength of pipes is naturally higher, the industrial value will be increased, and the price is slightly higher than that of ordinary welded pipes. 冷拔无缝钢管与普通冷拔钢管在性能上，尤其是承压能力上较普通钢管有很大提高，所以经常被用于高压设备上使用。如液压设备的管路连接等。而普通冷拔钢管的焊缝部位是其薄弱环节，焊缝质量也是影响其整体性能的主要因素。在北方生活过的人一般都有过自来水管或暖气管在冬天被冻爆的经历，爆的地方一般都是焊缝处。焊管不如无缝钢管结实。
Cold-drawn seamless steel pipe and ordinary welded pipe have a great improvement in performance, especially in bearing capacity, compared with ordinary steel pipe, so they are often used in high-pressure equipment. Such as pipeline connection of hydraulic equipment. The weld position of common steel pipe is its weak link, and the quality of weld is also the main factor affecting its overall performance. People who have lived in the North usually have the experience of water pipes or heating pipes being frozen and exploded in winter. The places where the pipes exploded are usually welded seams. Welded pipe is not as strong as seamless pipe.
By comparing the above two differences, friends can easily distinguish what is cold-drawn seamless steel pipe and what is ordinary welded pipe when they buy Pipes in the future. Although common welded pipe is much cheaper than cold drawn seamless steel pipe, its service life is quite short, especially in northern areas. The service life of ordinary welded pipe is only half of that of cold-drawn seamless steel pipe. Therefore, it is recommended to choose cold-drawn seamless steel pipe with high cost performance for long-term industrial use.
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