概述(Summary):5xxx 系列的铝、镁合金,是一种有中等程度强度,耐腐蚀性、焊接性良好的铝合金代表产品,从薄板到 厚板在所有领域皆被广泛使用。This is a typical aluminum alloy product with medium strength, corrosion resistance and good welding performance made of 5xxx series aluminum. Both thin plate and heavy plate are widely used in various fields