Stainless steel linear screening machine is suitable for screening and grading of various dry powder, block or granular materials with particle size of 0.074-5mm, water content of less than 7% and no viscosity. Widely used in food processing, food selection, hardware abrasives, chemical classification and other industries processing and pipeline classification cooling operations. The maximum feeding particle size is not more than 10mm. According to the needs of customers to customize a layer, two layers, three layers, four layers, five layers, six layers, but also according to the screening needs, the production material is ordinary steel, stainless steel and other materials, can be designed as ordinary carbon steel, contact material part of stainless steel, stainless steel material.