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產品詳情
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  • 產品名稱：7A04

  • 產品型號：7A04
  • 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：
7a04鋁棒屬Al-Zn-Mg-Cu系超高強度鋁合金，亦稱超硬鋁，是超硬鋁中想當成熟.使用較久和較廣的一個合金。
詳情介紹：

7A04化學成分

銅Cu:1.4-2.0 錳Mn:0.20-0.6 鎂Mg:1.8-2.8 鉻Cr:0.10-0.25 鋅Zn:5.0-7.0 鈦Ti:0.10 鋁Al:余量 其他: 單個:0.05 合計:0.10

7A04力學性能

抗拉強度 σb (MPa):≥530 伸長應力 σp0.2 (MPa):≥400 伸長率 δ10 (%):≥5 注 :管材室溫縱向力學性能 試樣尺寸:所有 ●熱處理規范: 均勻化退火:加熱450~465℃;保溫12~14h;爐冷。2)完全退火:加熱390~430℃;保溫30~120min;爐冷至150℃空冷。3)淬火和時效:淬火465~480℃,水冷;人工時效(包鋁板材)115~125℃24h、(未包鋁型材)135~145℃16h、(半制品)分1級 115~125℃3h加熱,2級155~165℃3h空冷。 狀態:鋁及鋁合金熱擠壓無縫圓管 (H112、T6態)

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