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2025-03
What causes shrinkage porosity in ductile iron castings?
The main reason for shrinkage cavities in ductile iron castings is that the liquid and solidification shrinkage during alloy solidification are not effectively compensated, superimposed on improper casting structure, component design, or process control.
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2025-03
What causes the loose structure of ductile iron castings?
Loose structure in ductile iron castings is one of the common defects in the casting process. Its formation is complex and involves multiple stages.
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31
2025-03
The ductile iron casting is not clean after shot blasting.
The reasons for the uncleanliness of ductile iron castings after shot blasting mainly include the following aspects
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2025-03
What type of welding rod is used for welding ductile iron castings?
Commonly used welding electrodes for ductile iron castings include Z408 electrodes, Z438 electrodes, H08Mn2SiA welding wire, E5016 electrodes (i.e., J506 electrodes), and E5015 electrodes (i.e., J507 electrodes).
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2025-03
Reasons for the formation of blowholes in ductile iron castings
The main reasons for the generation of pores in ductile iron castings are closely related to factors such as the quality of molten iron, molding conditions, process parameters, and material properties.
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2025-03
Reasons for surface depressions in ductile iron castings
Surface depressions in ductile iron castings are a common casting defect. Their formation is complex and is mainly related to casting processes, material properties, and the cooling process.
2025-03-31
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Laizhou Dingtai Machinery Co., Ltd.
Telephone: +86-15053589222
E-mail: 15053589222@126.com
Address: Shentang Industrial Park, Hutouya Town, Laizhou City, Yantai City, Shandong Province