Differed from welded steel pipe ,seamless steel pipe needs more attention. Thanks to a large number of properties of seamless steel pipe, it is widely in different kinds of industries, such as construction, machining, electricity and wind power plant. With the improvement in the technology, the number of production of seamless steel pipe is crazily increasing meanwhile the requirement of seamless steel pipe is also rapidly increasing due to the fast construction of society. Facing the complicated market of seamless steel pipe, purchasers are always confused and struggle to choose. However, the following warm tips will lead to buyers having a clear picture of how to buy seamless steel pipe.