Advantages and disadvantages of castings and product classification


  Analysis of the advantages and disadvantages of […]


Analysis of the advantages and disadvantages of castings:


1. It can produce parts with complex shapes, especially blanks with complex inner cavities;

2. Wide adaptability, metal materials commonly used in industry can be cast, a few grams to hundreds of tons;

3. Wide source of raw materials and low prices, such as scrap steel, scrap parts, cuttings, etc .;

4. The shape and size of the casting are very close to the part, which reduces the amount of cutting and belongs to non-cutting processing;

5. Widely used, 40% to 70% of agricultural machinery, 70% to 80% of the weight of machine tools are castings.


1. Mechanical properties are not as good as forgings, such as coarse structure and many defects;

2. In sand casting, single piece and small batch production, the labor intensity of workers is large;

3. The casting quality is unstable, there are many processes, the influencing factors are complex, and many defects are prone to occur.

Product classification of castings:

Commonly used casting metal:

1. Gray cast iron

2. Ductile iron

3. Malleable cast iron

4. Cast steel;

Commonly used castings non-ferrous metals:

1. Brass

2. Bronze

3. Aluminum alloy.

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