Al Bal. Si 9.50~11.50 Zn ≤ 3.0 Cu 2.0~3.0 Fe ≤ 1.30 Mg ≤ 0.50 Ti ≤ 0.30 Ni ≤ 0.30 Sn ≤ 0.15 Mn 0.10
15~53㎛, 50~150㎛
1kg, 10kg
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