The recovery of precision seamless tube steel prices is still in a weak stage Although the futures market is inseparable from the role of capital, the market for precision seamless pipes in 2016 is different from that in 2015. Changes in the supply side may be the main reason for the increase in prices of the entire black industry chain.

　　1. Grinding of the pipe mouth of seamless steel pipe: After cutting, the plastic layer of the pipe mouth should be polished with an angle grinder. The purpose is to avoid melting or burning of the plastic layer during flange welding and destroying the pipe. Use an angle grinder to polish the plast