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1 标准起草过程 1.1 ZLA356铸造铝合金锭的市场情况 随着我国汽车工业的发展,与这相适应的新产品——汽车铝合金压铸轮箍也在迅速发展。铝合金压铸轮箍比钢质轮箍具有重量轻、质量好、美观实用、节省油耗等特点,从事汽车生产的国家都在大力发展,我国也不例外,当前我国已建和在建拥有和产铝合金轮箍能力460万只/年,需用铝合金约5.75万吨/年,目前该铝合金大都需要进口,为了改
1 standard drafting process 1.1 ZLA356 casting aluminum ingot market situation With the development of China’s automobile industry, and adapt to this new product - automotive aluminum die-casting wheel tires are also rapidly developing. Aluminum die-casting wheel tires than the steel wheel with light weight, good quality, beautiful and practical, saving fuel consumption and other characteristics of the countries engaged in automobile production are vigorously developing in our country is no exception, our country has built and under construction and production Aluminum wheel capacity of 4.6 million / year, the need for about 5.75 million tons of aluminum alloy, the aluminum alloy most of the current need to import, in order to change