1989～2000年期间,美国铸造业的年增长率为1.56％,年产量从980万吨增到1160万吨。予计铁基铸件和有色金属铸件的年增长率分别为1.56％和1.64％。铁基铸件的比重为83％。球墨铸铁的交货量从250万吨增到360万吨,铸钢件交货量预计年增长率为3.12％,铸造业交货额从210亿美元增到480亿美元。 Between 1989 and 2000, the U.S. foundry industry grew at an annual rate of 1.56% and its annual output increased from 9.8 million tons to 11.6 million tons. The annual growth rates of iron-based castings and non-ferrous metal castings are expected to be 1.56% and 1.64% respectively. The proportion of iron-based castings is 83%. Delivery of nodular cast iron increased from 2.5 million tons to 3.6 million tons, while delivery of cast steel products was expected to increase at an annual rate of 3.12%. Casting industry delivery increased from 21 billion U.S. dollars to 48 billion U.S. dollars.