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What is the purpose of carburizing low-carbon steel cas...
For the sand sticking problem of clutch shell casting i...
Coated sand is generally composed of aggregate, binder...
Carbon steel castings Changes in mechanical properties:...
Vermicular graphite cast iron has excellent performance...
In lost foam products, common defects mainly include sa...
1. The sulfur content and other trace elements of the o...
Casting defects such as inclusions, holes, cracks (refe...