Phosphating treatment is widely used pretreatment technology, a kind of chemical layer converting process. Such process are mainly used as the surface treatment for steel castings and iron castings. Sometime, they are also used for the ferrous metal castings, such as aluminium die castings or zinc c......
Read MorePressure tightness is a very important factor for application of some investment castings, such as the valve body castings and pump body castings. Low pressure tightness of such products will lead to leaking problems, which will affect the safety or life time of the whole system. To control the pres......
Read MoreNingbo Zhiye Design the structure of the gray iron investment castings.We usually should pay attention to the following factors when designing the structure of gray iron investment castings: *The wall thickness should be not too thin and we may add the thickness in the corners of gray iron invest......
Read MoreNingbo Zhiye foundry casts various ductile iron brackets by lost foam casting process in China. Ductile iron brackets are one of the mostly used support components in construction industry. Such ductile rion brackets can be used as guardrail brackets for bridges, support brackets for rails and h......
Read MoreBrackets is a kind of products that applied to support and fix the matching parts. Currently in market, we have cast brackets, solid material machined brackets, forged brackets, and lots of other types. Materials used to make brackets include carbon steel, alloy steel, stainless steel, aluminum, bra......
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