With the rapid development of society and the rapidly improving level of information technology, aluminum alloy die-casting technology has been widely used in the field of automobile manufacturing.
On the basis of existing die-casting aluminum parts, alloy element combinations should be further optimized, effective alloy design should be carried out, and alloy performance should be improved.
At present, die-casting aluminum parts used in the industry mainly include the following series: A1-Si, Al-Mg, Al -Si-Cu. Al-Si-Mg, etc.
But no matter how many use the manhole cover has, the shape of the manhole cover is basically a circle. Have you ever wondered why the manhole cover has to be round?