Archives

spacer

Microstructure analysis of nodular cast iron

OM Observation The metallographic sample is made by standard metallographic technology. The concrete methods are: grinding the observation surface on the sandpaper of different sizes one by one → polishing the observation surface to no scratch → flushing and drying the surface with anhydrous alcohol → corrosion surface of...

spacer
spacer
spacer
spacer

Preparation of nodular cast iron test

Chemical composition of nodular cast iron Qt400-18 nodular iron is selected for the study of austenitizing and austempering treatment in this test. Raw and auxiliary materials for melting ductile iron It is very important to master the chemical composition of raw and auxiliary materials for smelting and to calculate...

spacer
spacer
spacer
spacer

Selection of pouring position of nodular cast iron into cylinder

The casting process plan mainly includes the selection of molding method, pouring position and parting surface. The determination of casting process scheme is based on the full analysis of casting process characteristics of part structure, combined with actual production equipment and technical conditions. Pouring position refers to the state...

spacer