Screw conveyor blades, auger blades, and types of screw blades analysis. 1. Common types of screw blades include continuous screw blades, single screw blades, and uniform thickness screw blades. According to different usage requirements, choose the appropriate screw blade. Screw blades are installed in sealed pipelines or semi-enclosed U-shaped channels, with one end powered, forming a screw conveyor. 2. Screw blades can also be selected with different materials based on various applications. Common materials include carbon steel, stainless steel, and manganese steel. For general materials such as wood chips, plastic granules, or powders, standard continuous screw blades made of carbon steel are sufficient. For conveying minerals or harder particles, choose abrasion-resistant manganese steel to extend the lifespan. In food processing equipment, for food hygiene considerations, use stainless steel screw blades.