When designing infrastructure that must withstand the test of time and traffic, the choice of drainage components is critical. For engineers and procurement specialists seeking a heavy-duty solution, ductile iron trench grates represent the pinnacle of material science and structural engineering.
Gear casting is also called cast steel gear. It is because most of gears are made by cast steel. Herein, I share some information about producing gear casting and related heat treatment.
As for the resin sand molding, water glass sand molding, although the intensity of the two molding are very high, sand holes will still appear in iron castings.