Features: Coarse graphite: the size of graphite in the metallographic structure is very large, or there is massive graphite, and […]
Features: Poor lower core (core deviation, core dropping, sand squeezing and core breaking) Causes: A. Mask is not adjusted well,
When the wall thickness of high-temperature alloy castings such as adjusting piece and sealing piece is changed from 1.1mm to
Features: The white cast is hard and brittle, and it is difficult to break and turn white Causes: A. Casting
1, Characteristics There are defects in some parts of the casting, which often appear in the thin-walled part, the farthest
Fast graphite fragmentation The broken fast graphite is a kind of deformed graphite which often appears in the large end
