2, a wide range of applicability, from a few grams to several hundred tons of castings can be.
3, a wide range of raw materials, low cost. Such as melting iron can.
4, casting shape and parts size closer to reduce the cutting allowance.
Disadvantages: 1, more processes, some process quality is difficult to guarantee.
Quality is unstable, easy to form waste.
2, castings prone to shrinkage and stomata, the performance is not as good as forging, so for carrying a larger load of the important parts are generally not cast.