Seamless steel pipe is a hollow cross-section, no seams around a circular, square, rectangular steel. Seamless steel ingot is made of perforated or solid through the capillary tube, and then hot-rolled, cold-rolled or cold call is made. Seamless s...

General seamless steel pipe production process can be divided into two kinds of cold-drawn and hot-rolled, cold-rolled seamless steel pipe production process is generally more complicated than hot-rolled, tube must first conduct a three-roll rolling,...

The installation requirements and points of stainless steel tube as follows 1. The pipeline must not cast reinforced concrete structure layer. It should not be, cement mortar, concrete direct contact 2. Stainless steel pipes and fittings and cement. ...