自硬砂型单个生产铸件重量公差等级
<TABLE class=table1 borderColor=#b5dba2 cellSpacing=0 width=770 border=1><TBODY>
<TR>
<TD class=12bg align=middle bgColor=#e9fde4>造型材料</TD>
<TD class=12bg align=middle bgColor=#e9fde4>合金种类</TD>
<TD class=12bg align=middle bgColor=#e9fde4>公差等级(CT)</TD></TR>
<TR>
<TD>干、湿型砂</TD>
<TD>铸钢 </TD>
<TD>13-15 </TD></TR>
<TR>
<TD>干、湿型砂</TD>
<TD>灰铸铁 </TD>
<TD>13-15 </TD></TR>
<TR>
<TD>干、湿型砂</TD>
<TD>球墨铸铁 </TD>
<TD>13-15 </TD></TR>
<TR>
<TD>干、湿型砂</TD>
<TD>可锻铸铁 </TD>
<TD>13-15 </TD></TR>
<TR>
<TD>干、湿型砂</TD>
<TD>铜合金 </TD>
<TD>13-15 </TD></TR>
<TR>
<TD>干、湿型砂</TD>
<TD>轻金属合金</TD>
<TD>11-13 </TD></TR>
<TR>
<TD>自硬砂 </TD>
<TD>铸钢 </TD>
<TD>12-14 </TD></TR>
<TR>
<TD>自硬砂 </TD>
<TD>灰铸铁 </TD>
<TD>11-13 </TD></TR>
<TR>
<TD>自硬砂 </TD>
<TD>球墨铸铁 </TD>
<TD>11-13 </TD></TR>
<TR>
<TD>自硬砂 </TD>
<TD>可锻铸铁 </TD>
<TD>11-13 </TD></TR></TBODY></TABLE>
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