供應進口超硬鋁合金
2026-04-10
7075---鋅是7075中主要合金元素，向含3％-7.5％ 鋅的合金中添加鎂，可形成強化效果顯著的MgZn2，使該合金的熱處理效果遠遠勝過鋁－鋅二元合金。提高合金中的鋅，鎂含量，抗拉強度會得到
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