Stainless Steel pipes and tubes are strong and sturdy, making them suitable for pressure applications. Many water, chemical, pulp, oil, gas, petrochemical, energy, and paper industries depend on Stainless Steel pipes and tubes. Initially, all Stainless Steel tubular products were seamless. Now, there are many choices in the market.
For instance, welded pipes and tubes are popular in the market because of its many advantages. Using welded tubes and pipes is more cost effective than the seamless alternative. In addition, welded pipes and tubes have a narrower tolerance for wall thickness and better concentricity. Welded pipes and tubes can be created with a larger diameter and longer length. Unlike seamless pipes and tubes, the surface of welded pipes and tubes can be checked prior to being made. In general, welded pipes and tubes are more available both from distributors and mill production companies. Consequently, welded pipes and tubes are able to be delivered faster and cheaper.
In contrast, seamless pipes and tubes are still widely used. You can get a wider variety if you purchase seamless pipes and tubes. Seamless tubes are produced in highly specialized grades. There may be some heavy wall sizes that are too thick to form to the required diameter. Thus, the material cannot be made through welding. You will need to rely on seamless pipes and tubes, which are commonly available with very thick walls. Compared to welded pipes and tubes, the seamless alternative may have the advantage of having a heat-affected zone. Some argue that seamless pipes and tubes resist corrosion better than welded pipes and tubes. Furthermore, seamless pipes and tubes have a more homogeneous grain structure compared to the welded alternative.
Whether you prefer welded or seamless, the two products generally complement each other. In fact, most places utilize both. Even if the pipe or tube is welded or seamless, they are likely to be connected with circumferential welds to each other, fittings and flanges. Take into considerations the advantages of utilizing welded tubes and pipes and the advantages of utilizing seamless tubes and pipes before selecting the best material for a specific application.
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Alexis Ty // SMC Editor
International Trade and Marketing Specialist