The manufacturing process of butt welded seamless elbow is divided into two kinds: hot rolling (extrusion) seamless elbow and cold drawing (rolling). Cold drawing pipe is divided into two types: ..
Bellows compensators are also known as expansion joints and expansion joints. They consist of bellows (an elastic element) which comprise the main part of the work, and end pipe, bracket, flange, ..
Heat treatment of stainless steel welded pipe widely used abroad there is no oxidation continuous heat treatment furnace with protective gas, the intermediate heat treatment in the process of production ..
1, the yield strength of duplex stainless steel is twice as tall as austenitic stainless steel, small deformation, than the latter should be adopted when cold rolled must choose appropriate speed and sent ..