常见金属材料的比重
<DIV align=center><CENTER>
<TABLE height=134 border=1>
<TBODY>
<TR>
<TD align=middle height=32>金属材料名称</TD>
<TD align=middle height=32>镁</TD>
<TD align=middle height=32>铝</TD>
<TD align=middle height=32>铁</TD>
<TD align=middle height=32>镍</TD>
<TD align=middle height=32>铅</TD>
<TD align=middle height=32>
<P align=left>汞</P></TD>
<TD align=middle height=32>钨</TD>
<TD align=middle height=32>金</TD>
<TD align=middle height=32>银</TD>
<TD align=middle height=32>铜</TD></TR>
<TR>
<TD align=middle height=42>元素符号</TD>
<TD align=middle height=42>Mg</TD>
<TD align=middle height=42>Al</TD>
<TD align=middle height=42>Fe</TD>
<TD align=middle height=42>Ni</TD>
<TD align=middle height=42>Pb</TD>
<TD align=middle height=42>Hg</TD>
<TD align=middle height=42>W</TD>
<TD align=middle height=42>Au</TD>
<TD align=middle height=42>Ag</TD>
<TD align=middle height=42>Cu</TD></TR>
<TR>
<TD align=middle height=42>比重</TD>
<TD align=middle height=42>1.74</TD>
<TD align=middle height=42>2.7</TD>
<TD align=middle height=42>7.87</TD>
<TD align=middle height=42>8.9</TD>
<TD align=middle height=42>11.37</TD>
<TD align=middle height=42>13.6</TD>
<TD align=middle height=42>19.3</TD>
<TD align=middle height=42>19.32</TD>
<TD align=middle height=42>10.49</TD>
<TD align=middle height=42>8.96</TD></TR></TBODY></TABLE></CENTER></DIV>
<P> </P>
<DIV align=center>
<CENTER>
<TABLE height=79 border=1>
<TBODY>
<TR>
<TD align=middle height=1>金属材料名称</TD>
<TD align=middle height=1>灰口铁</TD>
<TD align=middle height=1>白口铁</TD>
<TD align=middle height=1>碳素钢</TD>
<TD align=middle height=1>黄铜</TD>
<TD align=middle height=1>青铜</TD>
<TD align=middle height=1>钢</TD></TR>
<TR>
<TD align=middle height=39>元素符号</TD>
<TD align=middle height=39>——</TD>
<TD align=middle height=39>——</TD>
<TD align=middle height=39>——</TD>
<TD align=middle height=39>——</TD>
<TD align=middle height=39>——</TD>
<TD align=middle height=39>——</TD></TR>
<TR>
<TD align=middle height=39>比重</TD>
<TD align=middle height=39>6.8-7.4</TD>
<TD align=middle height=39>7.2-7.5</TD>
<TD align=middle height=39>7.81-7.85</TD>
<TD align=middle height=39>8.5-8.85</TD>
<TD align=middle height=39>7.5-8.9</TD>
<TD align=middle height=39>7.8-7.9</TD></TR></TBODY></TABLE></CENTER></DIV>
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