我国堆用铝合金的成分
<TABLE cellSpacing=0 borderColorDark=#ffffff cellPadding=5 width="95%" align=center borderColorLight=#cccccc border=1><TBODY>
<TR>
<TD align=middle rowSpan=2>合金</TD>
<TD align=middle colSpan=5>成分（质量分数）/%</TD>
<TD align=middle rowSpan=2>用途</TD>
<TD align=middle>最高使用温度/℃</TD></TR>
<TR>
<TD align=middle>Fe</TD>
<TD align=middle>Si</TD>
<TD align=middle>Mg</TD>
<TD align=middle>Cu</TD>
<TD align=middle>Al</TD>
<TD align=middle></TD></TR>
<TR>
<TD align=middle>1060</TD>
<TD align=middle>≤0.25</TD>
<TD align=middle>≤0.20</TD>
<TD align=middle></TD>
<TD align=middle>≤0.01</TD>
<TD align=middle>≥99.6</TD>
<TD align=middle>元件包壳及结构材料</TD>
<TD align=middle>120</TD></TR>
<TR>
<TD align=middle>1050A</TD>
<TD align=middle>≤0.30</TD>
<TD align=middle>≤0.30</TD>
<TD align=middle></TD>
<TD align=middle>≤0.015</TD>
<TD align=middle>≥99.5</TD>
<TD align=middle>元件包壳及结构材料</TD>
<TD align=middle>120</TD></TR>
<TR>
<TD align=middle>1100</TD>
<TD align=middle>≤0.35</TD>
<TD align=middle>≤0.40</TD>
<TD align=middle></TD>
<TD align=middle>≤0.05</TD>
<TD align=middle>≥99.3</TD>
<TD align=middle>元件包壳及结构材料</TD>
<TD align=middle>120</TD></TR>
<TR>
<TD align=middle>LT26</TD>
<TD align=middle>0.08~0.18</TD>
<TD align=middle>0.04~0.16</TD>
<TD align=middle></TD>
<TD align=middle></TD>
<TD align=middle>其余</TD>
<TD align=middle>元件包壳材料</TD>
<TD align=middle></TD></TR>
<TR>
<TD align=middle>LT21</TD>
<TD align=middle></TD>
<TD align=middle>0.6~1.2</TD>
<TD align=middle>0.45~0.9</TD>
<TD align=middle></TD>
<TD align=middle>其余</TD>
<TD align=middle>结构材料</TD>
<TD align=middle></TD></TR>
<TR>
<TD align=middle>LT27</TD>
<TD align=middle></TD>
<TD align=middle></TD>
<TD align=middle></TD>
<TD align=middle></TD>
<TD align=middle></TD>
<TD align=middle>包壳材料</TD>
<TD align=middle>200</TD></TR>
<TR>
<TD align=middle>305</TD>
<TD align=middle></TD>
<TD align=middle></TD>
<TD align=middle></TD>
<TD align=middle></TD>
<TD align=middle></TD>
<TD align=middle>包壳材料</TD>
<TD align=middle>270</TD></TR>
<TR>
<TD align=middle>306</TD>
<TD align=middle></TD>
<TD align=middle></TD>
<TD align=middle></TD>
<TD align=middle></TD>
<TD align=middle></TD>
<TD align=middle>包壳材料</TD>
<TD align=middle>270</TD></TR>
<TR>
<TD align=middle>LT24</TD>
<TD align=middle></TD>
<TD align=middle></TD>
<TD align=middle></TD>
<TD align=middle></TD>
<TD align=middle></TD>
<TD align=middle>工艺管材料</TD>
<TD align=middle>130</TD></TR>
<TR>
<TD align=middle>167</TD>
<TD align=middle></TD>
<TD align=middle></TD>
<TD align=middle></TD>
<TD align=middle></TD>
<TD align=middle></TD>
<TD align=middle>工艺管材料</TD>
<TD align=middle>185</TD></TR>
<TR>
<TD align=middle>6A02T6</TD>
<TD align=middle></TD>
<TD align=middle></TD>
<TD align=middle></TD>
<TD align=middle></TD>
<TD align=middle></TD>
<TD align=middle>结构材料</TD>
<TD align=middle>200</TD></TR></TBODY></TABLE>
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