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Sand Casting Concerns

Sand Casting Concerns

2019720ensp0183 casting defects sand mold metal castings produced by China Dandong foundry are introduced. These defects are common sand mold casting defects on the surface and inside of blowholes and pinholes of cast iron and steel castings 1. This is a kind of cavity defect, which can be divided into pinhole and pinhole underground pore

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