Annealing,normalized, quenching, tempering... Do you know the difference of all this heat treatment ways? The role of heat treatment is to improve the mechanical properties of materials, eliminate residual stress and improve the cutting effency.According to different purposes, Heat treatment process can be divided into two types: preparing heat treatment and final heat treatment. 1.Preparing heat treatment The purpose of pre-heat treatment is to improve processing performance, eliminate internal stress, and prepare good gold -phase tissue for final heat treatment,which include annealing, normalizing, aging treatment etc. 1) Annealing and Normalizing Annealing and normalizing are used for Hot working blanks. Carbon…

Wear is the main problem when people use the wear resistant steel plate,wear will cause the wear resistant steel plate service life shorter.Do you know what is the main wear type of wear resistant steel plate and how to avoid the wear? The most common wear is  sliding wear,the second type is impact wear,and another type  is extrusion wear caused by the interaction of two or more grinding bodies on the surface of wear-resistant steel plates. Different wear type with different impacts on the service life of products. 01 Sliding wear  Sliding wear, same as sliding friction wear, refers to…

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Cold drawn steel is known for its high precision and good surface quality. Shandong Dajin Metal Material Co.,ltd. 's cold drawn steel tolerances are in accordance with ISO standards and the best tolerances are -0.02MM.