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1.20-2.0Cu, 2.1-2.9Mg, 0.30Mn, 0.40Si, 0.50Femax, 0.18-0.28Cr, 5.1-6.1Zn, 0.20Timax, ¨ä¥L¨CºØ¦¨¤À°ª§t¶q0.05¡A¨ä¥L¦¨¤À¤jÁ`§t¶q0.15,¾l¶q¬°Al¡C
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MPa ksi MPa ksi % HB MPa ksi MPa ksi
O 228 33 103 15 17 60 152 22 -- --
T6,T651 572 83 503 73 11 150 331 48 159 23
T73,T7351 503 73 434 63 -- 150 -- -- 159 23
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T6,T651 130 33 52.2
T73,T7351 155 40 43.1
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