In the process of use, the mechanical properties of stainless steel precision casting are higher than those of cast iron, but the cast iron properties of this material will be worse. In the manufacturing process, the melting point of stainless steel precision casting is higher than that of other materials.
There are many problems that need attention in the processing of precision casting stainless steel, mainly due to the poor fluidity of molten steel. During the processing, in order to prevent insufficient pouring or cold isolation of the steel castings, the wall thickness of the steel castings should not be less than 8mm.
The structural force of the stainless steel precision casting pouring system is very simple. If the cross-sectional size of the equipment in the use process is large, hot casting or dry casting can also be used in the processing process.
The stainless steel precision casting temperature ensures the good fluidity of the melt during the injection process. The selection of stainless steel precision casting temperature should be determined according to factors such as injection distance, cooling during injection, alloy, specification, flow rate and other factors. The stainless steel precision casting temperature is 50-110℃ higher than the alloy liquidus.
The manufacturing temperature of stainless steel precision casting can effectively ensure that the melt has good fluidity during the injection process to a certain extent. The equipment needs to be determined according to factors such as the injection distance and the cooling condition of the injection process in the process of selecting the injection temperature.
The crack tendency of stainless steel precision casting is relatively low. During use, it is necessary to effectively ensure that the alloy has good venting and shrinking capabilities, so as to create conditions for sequential crystallization to a certain extent, thereby improving its compactness. Generally speaking, the casting temperature will be higher.
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