近几年来,由于国际油价的上涨,各国都在发展轻量化卡车,以期减少油耗。因此,铝镁合金越来越多地运用在了卡车上。锻造卡车铝轮圈的重量比铁轮圈轻50%;强度比铁轮圈增加5倍;具有散热快、真圆度高、动平衡好、操纵性好、漂亮美观等优点。因此,美日欧等发达国家越来越多地将卡车铁轮圈换成锻造铝合金轮圈 In recent years, due to the rise in international oil prices, all countries are developing lightweight trucks with a view to reducing fuel consumption. Therefore, more and more aluminum-magnesium alloy used in the truck. Forged truck aluminum wheels weighs 50% lighter than the iron rim; strength increased by 5 times than the iron rim; with fast heat, high degree of roundness, good dynamic balance, good handling, beautiful appearance and so on. Therefore, the developed countries such as the United States, Japan and Europe increasingly replace the truck wheel rim with a forged alloy wheel rim