高强度铸钢的力学性能
<TABLE cellSpacing=0 cellPadding=0 align=center border=1><TBODY>
<TR>
<TD vAlign=top width=95 rowSpan=2>
<DIV align=center>牌号</DIV></TD>
<TD vAlign=top width=95 rowSpan=2>
<DIV align=center>屈服应力</DIV>
<DIV align=center>/MPa</DIV>
<DIV align=center>≥</DIV></TD>
<TD vAlign=top width=95 rowSpan=2>
<DIV align=center>抗拉强度</DIV>
<DIV align=center>/MPa</DIV></TD>
<TD vAlign=top width=95 rowSpan=2>
<DIV align=center>伸长率</DIV>
<DIV align=center>（%）</DIV>
<DIV align=center>≥</DIV></TD>
<TD vAlign=top width=189 colSpan=2>
<DIV align=center>根据合同选取</DIV></TD></TR>
<TR>
<TD vAlign=top width=95>
<DIV align=center>断面收缩率</DIV>
<DIV align=center>（%）≥</DIV></TD>
<TD vAlign=top width=95>
<DIV align=center>冲击吸收功</DIV>
<DIV align=center>/J≥</DIV></TD></TR>
<TR>
<TD vAlign=top width=95>
<DIV align=center>410-620</DIV></TD>
<TD vAlign=top width=95>
<DIV align=center>410</DIV></TD>
<TD vAlign=top width=95>
<DIV align=center>620~770</DIV></TD>
<TD vAlign=top width=95>
<DIV align=center>16</DIV></TD>
<TD vAlign=top width=95>
<DIV align=center>40</DIV></TD>
<TD vAlign=top width=95>
<DIV align=center>20</DIV></TD></TR>
<TR>
<TD vAlign=top width=95>
<DIV align=center>540-720</DIV></TD>
<TD vAlign=top width=95>
<DIV align=center>540</DIV></TD>
<TD vAlign=top width=95>
<DIV align=center>720~870</DIV></TD>
<TD vAlign=top width=95>
<DIV align=center>14</DIV></TD>
<TD vAlign=top width=95>
<DIV align=center>35</DIV></TD>
<TD vAlign=top width=95>
<DIV align=center>20</DIV></TD></TR>
<TR>
<TD vAlign=top width=95>
<DIV align=center>620-820</DIV></TD>
<TD vAlign=top width=95>
<DIV align=center>620</DIV></TD>
<TD vAlign=top width=95>
<DIV align=center>820~970</DIV></TD>
<TD vAlign=top width=95>
<DIV align=center>11</DIV></TD>
<TD vAlign=top width=95>
<DIV align=center>30</DIV></TD>
<TD vAlign=top width=95>
<DIV align=center>18</DIV></TD></TR>
<TR>
<TD vAlign=top width=95>
<DIV align=center>840-1030</DIV></TD>
<TD vAlign=top width=95>
<DIV align=center>840</DIV></TD>
<TD vAlign=top width=95>
<DIV align=center>1030~1180</DIV></TD>
<TD vAlign=top width=95>
<DIV align=center>7</DIV></TD>
<TD vAlign=top width=95>
<DIV align=center>22</DIV></TD>
<TD vAlign=top width=95>
<DIV align=center>15</DIV></TD></TR></TBODY></TABLE>
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