The manufacturing process of butt welded seamless elbow is divided into two kinds: hot rolling (extrusion) seamless elbow and cold drawing (rolling). ..
Bellows compensators are also known as expansion joints and expansion joints. They consist of bellows (an elastic element) which comprise the main ..
Heat treatment of stainless steel welded pipe widely used abroad there is no oxidation continuous heat treatment furnace with protective gas, ..
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 ..