First of all, what is insulated steel pipe? It is a steel tube that is insulated and treated under the interaction of different environments and external media. In order to ensure that the internal temperature and surface temperature of the working steel pipe to meet the requirements. What are th

Classification of thick-wall welded steel pipesThick-wall welded steel pipes include straight seam welded steel pipe SAWL, spiral welded steel pipe SAWH, high frequency welded steel pipe ERW, and combined welded steel pipe COW.Thick-wall welded steel pipes usually refer to steel pipes with a thickne