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What are the ways to reduce porosity and permeability in ductile iron castings
1. Because the ductile iron contains magnesium, the eutectic point on the state diagram shifts to the right. When the magnesium content is 0.035-0.045%, the actual eutectic point is about 4.4-4.5%. 2. The composition of ductile iron is selected near the eutectic point, and the fluidity of the......
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How do steel casting manufacturers clean steel castings?
Anyone who knows steel casting manufacturers knows that steel casting cleaning is a link after the pouring process and an indispensable step in the whole process, although it is not the most technically demanding and difficult link. Precautions and requirements for cleaning steel castings: ......
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What factors cause shrinkage porosity in ductile iron castings?
General rules affecting the shrinkage porosity rate of ductile iron; 1. The modulus of ductile iron castings. If the casting modulus is greater than 2.5, it is easy to achieve riserless casting. However, some experts are skeptical about this limit. Generally speaking, thick castings can easil......
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What are the classifications of steel castings?
Steel castings are now one of our commonly used castings, steel castings are widely used, and the shadow of steel castings can be seen in many fields. So, do you know what types of steel castings can be divided into? Next, the editor will take a look with you.
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