Stainless steel sintered filter element can not only be used as the filter medium of basket filter, mesh filter and other filtering equipment, but also has many excellent properties, such as high filtration precision, high temperature resistance, corrosion resistance, high mechanical strength, easy processing and long service life, so it is more and more applied to the separation of products and process media in petroleum and petrochemical industry. 1) It is used as dispersive cooling material in high temperature environment; 2) For gas distribution, liquid bed orifice plate material; 3) High precision, high reliability and high temperature filter material; 4) Used for high pressure backwash oil filter.