| 摘要 |
PROBLEM TO BE SOLVED: To provide a continuously cast rod of an Al-Sn based alloy with a fine structure free from the formation of primary crystal Si.SOLUTION: Disclosed is a continuously cast rod comprising, by weight, 12 to 20% Si, 0.5 to 6% Cu, 0.1 to 6% Mg, Fe and Mn so as to satisfy Fe>Mn and Fe+Mn=0.3 to 2%, Ti and Zr so as to satisfy Ti/Zr=0.06 to 1 and also Ti+Zr≤0.3% and 0.005 to 0.025% Sr, and the balance Al with impurities, and produced by a heat insulation mold. |
