结构用高强度铸钢的热处理和力学性能
<TABLE cellSpacing=0 cellPadding=0 border=1><TBODY>
<TR>
<TD vAlign=top width=84 rowSpan=2>
<DIV align=center>牌号</DIV></TD>
<TD vAlign=top width=80 rowSpan=2>
<DIV align=center>热处理</DIV></TD>
<TD vAlign=top width=403 colSpan=5>
<DIV align=center>力学性能（最低值）</DIV></TD></TR>
<TR>
<TD vAlign=top width=81>
<DIV align=center>σb/MPa</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>σs/MPa</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>δ(%)</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>φ(%)</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>HBS</DIV></TD></TR>
<TR>
<TD vAlign=top width=84 rowSpan=2>
<DIV align=center>SCC3</DIV></TD>
<TD vAlign=top width=80>
<DIV align=center>1</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>520</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>265</DIV></TD>
<TD vAlign=top width=81 rowSpan=2>
<DIV align=center>13</DIV></TD>
<TD vAlign=top width=81 rowSpan=2>
<DIV align=center>20</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>143</DIV></TD></TR>
<TR>
<TD vAlign=top width=80>
<DIV align=center>2</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>620</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>375</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>183</DIV></TD></TR>
<TR>
<TD vAlign=top width=84 rowSpan=2>
<DIV align=center>SCC5</DIV></TD>
<TD vAlign=top width=80>
<DIV align=center>1</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>620</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>295</DIV></TD>
<TD vAlign=top width=81 rowSpan=2>
<DIV align=center>9</DIV></TD>
<TD vAlign=top width=81 rowSpan=2>
<DIV align=center>15</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>163</DIV></TD></TR>
<TR>
<TD vAlign=top width=80>
<DIV align=center>2</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>690</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>440</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>201</DIV></TD></TR>
<TR>
<TD vAlign=top width=84 rowSpan=2>
<DIV align=center>SCMn1</DIV>
<DIV align=center></DIV></TD>
<TD vAlign=top width=80>
<DIV align=center>1</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>540</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>275</DIV></TD>
<TD vAlign=top width=81 rowSpan=2>
<DIV align=center>17</DIV></TD>
<TD vAlign=top width=81 rowSpan=2>
<DIV align=center>35</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>143</DIV></TD></TR>
<TR>
<TD vAlign=top width=80>
<DIV align=center>2</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>590</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>390</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>170</DIV></TD></TR>
<TR>
<TD vAlign=top width=84 rowSpan=2>
<DIV align=center>SCMn2</DIV>
<DIV align=center> </DIV></TD>
<TD vAlign=top width=80>
<DIV align=center>1</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>590</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>345</DIV></TD>
<TD vAlign=top width=81 rowSpan=2>
<DIV align=center>16</DIV></TD>
<TD vAlign=top width=81 rowSpan=2>
<DIV align=center>35</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>163</DIV></TD></TR>
<TR>
<TD vAlign=top width=80>
<DIV align=center>2</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>640</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>440</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>183</DIV></TD></TR>
<TR>
<TD vAlign=top width=84 rowSpan=2>
<DIV align=center>SCMn3</DIV>
<DIV align=center> </DIV></TD>
<TD vAlign=top width=80>
<DIV align=center>1</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>640</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>370</DIV></TD>
<TD vAlign=top width=81 rowSpan=2>
<DIV align=center>13</DIV></TD>
<TD vAlign=top width=81 rowSpan=2>
<DIV align=center>30</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>170</DIV></TD></TR>
<TR>
<TD vAlign=top width=80>
<DIV align=center>2</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>690</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>490</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>197</DIV></TD></TR>
<TR>
<TD vAlign=top width=84 rowSpan=2>
<DIV align=center>SCMn5</DIV></TD>
<TD vAlign=top width=80>
<DIV align=center>1</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>690</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>390</DIV></TD>
<TD vAlign=top width=81 rowSpan=2>
<DIV align=center>9</DIV></TD>
<TD vAlign=top width=81 rowSpan=2>
<DIV align=center>20</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>183</DIV></TD></TR>
<TR>
<TD vAlign=top width=80>
<DIV align=center>2</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>740</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>540</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>212</DIV></TD></TR>
<TR>
<TD vAlign=top width=84 rowSpan=2>
<DIV align=center>SCSiMn2</DIV>
<DIV align=center> </DIV></TD>
<TD vAlign=top width=80>
<DIV align=center>1</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>590</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>295</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>13</DIV></TD>
<TD vAlign=top width=81 rowSpan=2>
<DIV align=center>35</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>163</DIV></TD></TR>
<TR>
<TD vAlign=top width=80>
<DIV align=center>2</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>640</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>440</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>17</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>183</DIV></TD></TR>
<TR>
<TD vAlign=top width=84 rowSpan=2>
<DIV align=center>SCMnCr2</DIV>
<DIV align=center> </DIV></TD>
<TD vAlign=top width=80>
<DIV align=center>1</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>590</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>370</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>13</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>30</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>170</DIV></TD></TR>
<TR>
<TD vAlign=top width=80>
<DIV align=center>2</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>640</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>440</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>17</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>35</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>183</DIV></TD></TR>
<TR>
<TD vAlign=top width=84 rowSpan=2>
<DIV align=center>SCMnCr3</DIV>
<DIV align=center> </DIV></TD>
<TD vAlign=top width=80>
<DIV align=center>1</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>640</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>390</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>9</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>25</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>183</DIV></TD></TR>
<TR>
<TD vAlign=top width=80>
<DIV align=center>2</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>690</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>490</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>13</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>30</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>207</DIV></TD></TR>
<TR>
<TD vAlign=top width=84 rowSpan=2>
<DIV align=center>SCMnCr4</DIV>
<DIV align=center> </DIV></TD>
<TD vAlign=top width=80>
<DIV align=center>1</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>690</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>410</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>9</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>20</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>201</DIV></TD></TR>
<TR>
<TD vAlign=top width=80>
<DIV align=center>2</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>740</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>540</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>13</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>25</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>223</DIV></TD></TR>
<TR>
<TD vAlign=top width=84 rowSpan=2>
<DIV align=center>SCMnM3</DIV>
<DIV align=center> </DIV></TD>
<TD vAlign=top width=80>
<DIV align=center>1</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>690</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>390</DIV></TD>
<TD vAlign=top width=81 rowSpan=2>
<DIV align=center>13</DIV></TD>
<TD vAlign=top width=81 rowSpan=2>
<DIV align=center>30</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>183</DIV></TD></TR>
<TR>
<TD vAlign=top width=80>
<DIV align=center>2</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>740</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>490</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>212</DIV></TD></TR>
<TR>
<TD vAlign=top width=84 rowSpan=2>
<DIV align=center>SCCrM1</DIV>
<DIV align=center> </DIV></TD>
<TD vAlign=top width=80>
<DIV align=center>1</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>590</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>390</DIV></TD>
<TD vAlign=top width=81 rowSpan=2>
<DIV align=center>13</DIV></TD>
<TD vAlign=top width=81 rowSpan=2>
<DIV align=center>30</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>170</DIV></TD></TR>
<TR>
<TD vAlign=top width=80>
<DIV align=center>2</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>690</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>490</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>201</DIV></TD></TR>
<TR>
<TD vAlign=top width=84 rowSpan=2>
<DIV align=center>SCCrM3</DIV></TD>
<TD vAlign=top width=80>
<DIV align=center>1</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>690</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>440</DIV></TD>
<TD vAlign=top width=81 rowSpan=2>
<DIV align=center>9</DIV></TD>
<TD vAlign=top width=81 rowSpan=2>
<DIV align=center>25</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>201</DIV></TD></TR>
<TR>
<TD vAlign=top width=80>
<DIV align=center>2</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>740</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>540</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>217</DIV></TD></TR>
<TR>
<TD vAlign=top width=84 rowSpan=2>
<DIV align=center>SCMnCrM2</DIV>
<DIV align=center> </DIV></TD>
<TD vAlign=top width=80>
<DIV align=center>1</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>690</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>440</DIV></TD>
<TD vAlign=top width=81 rowSpan=2>
<DIV align=center>13</DIV></TD>
<TD vAlign=top width=81 rowSpan=2>
<DIV align=center>30</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>201</DIV></TD></TR>
<TR>
<TD vAlign=top width=80>
<DIV align=center>2</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>740</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>540</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>212</DIV></TD></TR>
<TR>
<TD vAlign=top width=84 rowSpan=2>
<DIV align=center>SCMnCrM3</DIV>
<DIV align=center> </DIV></TD>
<TD vAlign=top width=80>
<DIV align=center>1</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>740</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>540</DIV></TD>
<TD vAlign=top width=81 rowSpan=2>
<DIV align=center>9</DIV></TD>
<TD vAlign=top width=81 rowSpan=2>
<DIV align=center>25</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>212</DIV></TD></TR>
<TR>
<TD vAlign=top width=80>
<DIV align=center>2</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>830</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>635</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>223</DIV></TD></TR>
<TR>
<TD vAlign=top width=84 rowSpan=2>
<DIV align=center>SCNiCrM2</DIV></TD>
<TD vAlign=top width=80>
<DIV align=center>1</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>780</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>590</DIV></TD>
<TD vAlign=top width=81 rowSpan=2>
<DIV align=center>9</DIV></TD>
<TD vAlign=top width=81 rowSpan=2>
<DIV align=center>20</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>223</DIV></TD></TR>
<TR>
<TD vAlign=top width=80>
<DIV align=center>2</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>880</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>685</DIV></TD>
<TD vAlign=top width=81>
<DIV align=center>269</DIV></TD></TR></TBODY></TABLE>
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