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Causes and prevention methods of machining streaks on the surface of stainless steel castings

Causes and prevention methods of machining streaks on the surface of stainless steel castings
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If you can pay attention, you can find that there will be some processing stripes on the surface of the stainless steel casting just after it is cast. What are these stripes? Is there any way to prevent similar phenomena on the surface of stainless steel castings and further improve the quality of castings?
The reason why there are machining streaks on the surface of stainless steel castings may be that the two metal flows do not fill the cavity during the casting process, and then leave traces. According to past experience, such shortcomings are easy to occur when the temperature of the casting mold is low.

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