Seamless steel pipe occupies an important position in the social and economic development, and perhaps my friends are not very familiar with it, but it has been widely used in petroleum and chemical management and other aspects, which has created a very important place for people’s daily life,it's very convenient.

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.

Thermal expansion is a processing method of steel pipes, which is to process small-diameter steel pipes into large-diameter steel pipes. The mechanical properties of hot-expanded steel pipes are slightly worse than those of hot-rolled steel pipes. Limited to the limited specifications of seamless st