6082鋁管、7A04硬質棒材
2024-12-15
7系鋁合金是另外一種常用的合金，品種繁多.它包含有鋅和鎂.比較常見的鋁合金中強度的就是7075合金，但是它無法進行焊接，而且它的抗腐蝕性相當差，很多CNC切削制造的零部件用的就是707
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