Production measures of foundry manufacturers

Foundry manufacturers, smelting operations to take the following measures to better remove inclusions in steel, reduce cracks.

(1) Prepare raw materials to prevent external inclusions.

(2) The use of reasonable steelmaking process: such as the use of reasonable oxygen blowing. Power distribution technology, ensure a certain rate of decarbonization to make inclusions float, keep the furnace in good condition, etc.

(3) A composite deoxidizer that replaces a single deoxidizer.

(4) In order to reduce the crack tendency of steel castings and increase the fluidity of liquid steel, rare earths are added in the furnace to change the shape of inclusions and reduce inclusions.

(5) In order to facilitate the exclusion of inclusions floating up, in addition to ensuring sufficient liquid steel temperature, the liquid steel after steel production should be appropriately placed in the package.

In addition, important measures to reduce inclusions are to use high-quality refractory materials, ensure that the pouring system is clean or use a filter.