321 stainless steel pipe. Seamless steel pipe (GB14976-2002) is used to manufacture superheated steam pipes, boiling water pipes and locomotive boiler superheated steam pipes, large smoke pipes, small smoke pipes and arch brick pipes of various structures. Carbon structural steel hot-rolled and cold-drawn (rolled) seamless steel tubes.
321 stainless steel pipe: It is mainly used to manufacture high-quality carbon structural steel, alloy structural steel and stainless heat-resistant steel seamless steel pipes for steam boiler pipes with high pressure and above. These boiler pipes are often working under high temperature and high pressure. The pipe will be oxidized and corroded under the action of high temperature flue gas and water vapor. Therefore, the steel pipe is required to have high enduring strength, high oxidation resistance, and good organizational stability, hydraulic prop pipe.
321 stainless steel pipes are delivered in heat-treated condition. In addition, there are also certain requirements for the microstructure, grain size, and decarburized layer of the finished steel pipe. Seamless steel pipes for geological drilling and oil drilling control; use drilling rigs to drill wells for the exploration of underground rock structure, groundwater, oil, natural gas and mineral resources.