浇注时合金元素对铸钢体收缩影响
<TABLE class=table1 borderColor=#b5dba2 cellSpacing=0 width=770 border=1><TBODY>
<TR>
<TD class=12bg align=middle bgColor=#e9fde4>合金元素</TD>
<TD class=12bg align=middle bgColor=#e9fde4>体收缩系数</TD></TR>
<TR>
<TD>W </TD>
<TD>-.53</TD></TR>
<TR>
<TD>Ni</TD>
<TD>-.0354</TD></TR>
<TR>
<TD>Mn</TD>
<TD>.0585</TD></TR>
<TR>
<TD>Cr</TD>
<TD>.12</TD></TR>
<TR>
<TD>Si</TD>
<TD>1.03</TD></TR>
<TR>
<TD>AL</TD>
<TD>1.7</TD></TR></TBODY></TABLE>
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