铸造碳钢的力学性能下限值
<TABLE cellSpacing=0 cellPadding=0 border=1><TBODY>
<TR>
<TD vAlign=top width=103 rowSpan=3>
<DIV align=center>标准</DIV></TD>
<TD vAlign=top width=141 rowSpan=3>
<DIV align=center>牌号</DIV></TD>
<TD vAlign=top width=70 rowSpan=3>
<DIV align=center>σ<SUB>s</SUB>/MPa</DIV></TD>
<TD vAlign=top width=72 rowSpan=3>
<DIV align=center>σ<SUB>b</SUB>/MPa</DIV></TD>
<TD vAlign=top width=36 rowSpan=3>
<DIV align=center>δ(%)</DIV></TD>
<TD vAlign=top width=160 colSpan=3>
<DIV align=center>根据定货合同选取</DIV></TD></TR>
<TR>
<TD vAlign=top width=36 rowSpan=2>
<DIV align=center>φ(%)</DIV></TD>
<TD vAlign=top width=124 colSpan=2>
<DIV align=center>冲击性能</DIV></TD></TR>
<TR>
<TD vAlign=top width=48>
<DIV align=center>Akv/J</DIV></TD>
<TD vAlign=top width=76>
<DIV align=center>Ak/(J/cm<SUP>2</SUP>)</DIV></TD></TR>
<TR>
<TD vAlign=top width=103>
<DIV align=center>我国标准</DIV>
<DIV align=center>（GB/T11352-1989）</DIV></TD>
<TD vAlign=top width=141>
<DIV align=center>ZG200-400</DIV>
<DIV align=center>ZG230-450</DIV>
<DIV align=center>ZG270-500</DIV>
<DIV align=center>ZG310-570</DIV>
<DIV align=center>ZG340-640</DIV></TD>
<TD vAlign=top width=70>
<DIV align=center>200</DIV>
<DIV align=center>230</DIV>
<DIV align=center>270</DIV>
<DIV align=center>310</DIV>
<DIV align=center>340</DIV></TD>
<TD vAlign=top width=72>
<DIV align=center>400</DIV>
<DIV align=center>450</DIV>
<DIV align=center>500</DIV>
<DIV align=center>570</DIV>
<DIV align=center>640</DIV></TD>
<TD vAlign=top width=36>
<DIV align=center>25</DIV>
<DIV align=center>22</DIV>
<DIV align=center>18</DIV>
<DIV align=center>15</DIV>
<DIV align=center>10</DIV></TD>
<TD vAlign=top width=36>
<DIV align=center>40</DIV>
<DIV align=center>32</DIV>
<DIV align=center>25</DIV>
<DIV align=center>21</DIV>
<DIV align=center>18</DIV></TD>
<TD vAlign=top width=48>
<DIV align=center>30</DIV>
<DIV align=center>25</DIV>
<DIV align=center>22</DIV>
<DIV align=center>15</DIV>
<DIV align=center>10</DIV></TD>
<TD vAlign=top width=76>
<DIV align=center>60</DIV>
<DIV align=center>45</DIV>
<DIV align=center>35</DIV>
<DIV align=center>30</DIV>
<DIV align=center>20</DIV></TD></TR>
<TR>
<TD vAlign=top width=103>
<DIV align=center>美国标准</DIV>
<DIV align=center>（ASTMA27/A27M-00）</DIV></TD>
<TD vAlign=top width=141>
<DIV align=center>U-415-205（60-30）</DIV>
<DIV align=center>415-205（60-30）</DIV>
<DIV align=center>450-240（65-35）</DIV>
<DIV align=center>485-250（70-36）</DIV>
<DIV align=center>485-275（70-40）</DIV></TD>
<TD vAlign=top width=70>
<DIV align=center>205</DIV>
<DIV align=center>205</DIV>
<DIV align=center>240</DIV>
<DIV align=center>250</DIV>
<DIV align=center>275</DIV></TD>
<TD vAlign=top width=72>
<DIV align=center>415</DIV>
<DIV align=center>415</DIV>
<DIV align=center>450</DIV>
<DIV align=center>485</DIV>
<DIV align=center>485</DIV></TD>
<TD vAlign=top width=36>
<DIV align=center>22</DIV>
<DIV align=center>24</DIV>
<DIV align=center>24</DIV>
<DIV align=center>22</DIV>
<DIV align=center>22</DIV></TD>
<TD vAlign=top width=36>
<DIV align=center>30</DIV>
<DIV align=center>35</DIV>
<DIV align=center>35</DIV>
<DIV align=center>30</DIV>
<DIV align=center>30</DIV></TD>
<TD vAlign=top width=124 colSpan=2>
<DIV align=center></DIV></TD></TR>
<TR>
<TD vAlign=top width=103 rowSpan=4>
<DIV align=center>日本标准</DIV>
<DIV align=center>（JISG5101-1991）</DIV></TD>
<TD vAlign=top width=141 rowSpan=4>
<DIV align=center>SC360</DIV>
<DIV align=center>SC410</DIV>
<DIV align=center>SC450</DIV>
<DIV align=center>SC480</DIV></TD>
<TD vAlign=top width=70 rowSpan=4>
<DIV align=center>175</DIV>
<DIV align=center>205</DIV>
<DIV align=center>225</DIV>
<DIV align=center>245</DIV></TD>
<TD vAlign=top width=72 rowSpan=4>
<DIV align=center>360</DIV>
<DIV align=center>410</DIV>
<DIV align=center>450</DIV>
<DIV align=center>480</DIV></TD>
<TD vAlign=top width=36>
<DIV align=center>23</DIV></TD>
<TD vAlign=top width=36>
<DIV align=center>35</DIV></TD>
<TD vAlign=top width=124 colSpan=2 rowSpan=4>
<DIV align=center> </DIV></TD></TR>
<TR>
<TD vAlign=top width=36>
<DIV align=center>21</DIV></TD>
<TD vAlign=top width=36>
<DIV align=center>35</DIV></TD></TR>
<TR>
<TD vAlign=top width=36>
<DIV align=center>19</DIV></TD>
<TD vAlign=top width=36>
<DIV align=center>30</DIV></TD></TR>
<TR>
<TD vAlign=top width=36>
<DIV align=center>17</DIV></TD>
<TD vAlign=top width=36>
<DIV align=center>25</DIV></TD></TR>
<TR>
<TD vAlign=top width=103 rowSpan=4>
<DIV align=center>ISO3755-1991</DIV></TD>
<TD vAlign=top width=141 rowSpan=4>
<DIV align=center>200~400</DIV>
<DIV align=center>230~450</DIV>
<DIV align=center>270~480</DIV>
<DIV align=center>340~550</DIV></TD>
<TD vAlign=top width=70 rowSpan=4>
<DIV align=center>200</DIV>
<DIV align=center>230</DIV>
<DIV align=center>270</DIV>
<DIV align=center>340</DIV></TD>
<TD vAlign=top width=72 rowSpan=4>
<DIV align=center>400~550</DIV>
<DIV align=center>450~600</DIV>
<DIV align=center>480~630</DIV>
<DIV align=center>550~700</DIV></TD>
<TD vAlign=top width=36>
<DIV align=center>25</DIV></TD>
<TD vAlign=top width=36>
<DIV align=center>40</DIV></TD>
<TD vAlign=top width=124 colSpan=2 rowSpan=4>
<DIV align=center>30</DIV>
<DIV align=center>25</DIV>
<DIV align=center>22</DIV>
<DIV align=center>20</DIV></TD></TR>
<TR>
<TD vAlign=top width=36>
<DIV align=center>22</DIV></TD>
<TD vAlign=top width=36>
<DIV align=center>31</DIV></TD></TR>
<TR>
<TD vAlign=top width=36>
<DIV align=center>18</DIV></TD>
<TD vAlign=top width=36>
<DIV align=center>25</DIV></TD></TR>
<TR>
<TD vAlign=top width=36>
<DIV align=center>15</DIV></TD>
<TD vAlign=top width=36>
<DIV align=center>21</DIV></TD></TR></TBODY></TABLE>
页:
[1]