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Cu
Al
Fe
Mn
Ni
P
Pb
Si
Sn
Zn
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GB/T21652
QAl9-2
bal.
8.0-10.0
0.5
1.5-2.5
0.5
0.01
0.03
0.1
0.1
1.0
1.7
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7.6kg/dm3
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441N/mm2
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