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產品詳情
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  • 產品名稱：7A09

  • 產品型號：7A09
  • 產品廠商：西南鋁
  • 產品價格：0
  • 折扣價格：0
  • 產品文檔：
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簡單介紹：
7A09屬Al-Zn-Mg-Cu系超硬鋁，該合金是20世紀40年代末期就已應用于飛機制造業，至今仍在航空工業上得到廣泛應用的超高強度變形鋁合金。
詳情介紹：

材料名稱:7A09 舊稱:LC9

標準:GB/T 4437.1-2000

主要特征及應用范圍:

其特點是，固溶處理后塑性好，熱處理強化效果特別好，在150℃以下有高的強度，并且有特別好的低溫強度;焊接性能差;有應力腐蝕開裂傾向;需經包鋁或其他保護處理使用。雙級時效可提高合金抗應力腐蝕開裂的能力。在退火和剛淬火狀態下的塑性稍低于同樣狀態的2A12.稍優于7A04，板材的靜疲勞.缺口敏感，應力腐蝕性能優于7A04.

化學成分

硅 Si :≤0.50

銅 Cu :1.2~2.0

鎂 Mg:2.0~3.0

鋅 Zn:5.1~6.1

錳 Mn:≤0.15

鈦 Ti :≤0.10

鉻 Cr:0.16~0.30

鐵 Fe: 0.000~ 0.500

注:單個:≤0.05;合計:≤0.10

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