The,Difference,Between,Seamles business, insurance The Difference Between Seamless Steel Pipe and Seam Steel Pi
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Seamless steel pipe, as the name suggests, is a pipe without a seam or a weld-joint. Seam steel pipe are generally welded with a seam. 1. Different Processing Technology: seamless steel pipe is made of high quality carbon steel or alloy steel. The processing technology of seamless steel pipes are cold drawn and hot rolled, and seam steel pipe are generally welded. 2. Different Uses: seamless steel pipes are mainly used as pipelines for conveying fluids, or structural parts in machinery industry, and seam steel pipes are mainly used in construction industry, such as low-pressure fluid, like water, gas, compressed air. But when must to use pressure pipes, seamless steel pipes is the better choice. 3. Different Pressure-bearing: the maximum working pressure that the seamed pipe can withstand is within 20 kg, which is the safest range of use. It is generally used for low-pressure fluids such as water, gas, and compressed air. Seamless steel pipe can withstand ultra-high pressure, its wall thickness will increase, which needs to be designed according to the pressure requirements. It is generally used for high-temperature and high-pressure equipment such as high-pressure oil pipes and boiler pipes. Also for the structure, which depends on the design requirements. Application: seamless steel pipe is made by cold and hot drawing, and is used for medium pressure ≥ 1.6MPa. Seam steel pipe is formed by butt welding at high frequency, it is used for medium pressure 1.6MPa. Now, there are some seamless seam-treated steel pipes. It is annealed to the weld seam, eliminating the residual stress of the weld seam, making the weld seam equivalent to the base metal, and its pressure range is basically the same as that of the seamless pipe. quite.