Due to the limitations of manufacturing techniques. inhomogeneous microstructures and properties along the thickness direction have been a big challenge for heavy and ultra-heavy plates of quenched and tempered low-alloyed steel. In this study. variation in microstructures and mechanical properties were investigated from the surface to the center of a 130 mm-thick ultra-heavy steel pl... https://chefesquipmenters.shop/product-category/vacuum-wine-pumps/