美国标准奥氏体灰铸铁的力学性能
<TABLE cellSpacing=0 cellPadding=0 width="100%" border=1><TBODY>
<TR>
<TD vAlign=top width="33%">
<DIV align=center>ASTM</DIV></TD>
<TD vAlign=top width="33%">
<DIV align=center>抗拉强度</DIV>
<DIV align=center>σ<SUB>b</SUB>≥/Mpa</DIV></TD>
<TD vAlign=top width="33%">
<DIV align=center>硬度</DIV>
<DIV align=center>HBS</DIV></TD></TR>
<TR>
<TD vAlign=top width="33%">
<DIV align=center>1型</DIV></TD>
<TD vAlign=top width="33%">
<DIV align=center>172</DIV></TD>
<TD vAlign=top width="33%">
<DIV align=center>131~183</DIV></TD></TR>
<TR>
<TD vAlign=top width="33%">
<DIV align=center>1b型</DIV></TD>
<TD vAlign=top width="33%">
<DIV align=center>207</DIV></TD>
<TD vAlign=top width="33%">
<DIV align=center>149~212</DIV></TD></TR>
<TR>
<TD vAlign=top width="33%">
<DIV align=center>2型</DIV></TD>
<TD vAlign=top width="33%">
<DIV align=center>172</DIV></TD>
<TD vAlign=top width="33%">
<DIV align=center>118~174</DIV></TD></TR>
<TR>
<TD vAlign=top width="33%">
<DIV align=center>2b型</DIV></TD>
<TD vAlign=top width="33%">
<DIV align=center>207</DIV></TD>
<TD vAlign=top width="33%">
<DIV align=center>171~248</DIV></TD></TR>
<TR>
<TD vAlign=top width="33%">
<DIV align=center>3型</DIV></TD>
<TD vAlign=top width="33%">
<DIV align=center>172</DIV></TD>
<TD vAlign=top width="33%">
<DIV align=center>118~159</DIV></TD></TR>
<TR>
<TD vAlign=top width="33%">
<DIV align=center>4型</DIV></TD>
<TD vAlign=top width="33%">
<DIV align=center>172</DIV></TD>
<TD vAlign=top width="33%">
<DIV align=center>149~212</DIV></TD></TR>
<TR>
<TD vAlign=top width="33%">
<DIV align=center>5型</DIV></TD>
<TD vAlign=top width="33%">
<DIV align=center>138</DIV></TD>
<TD vAlign=top width="33%">
<DIV align=center>99~124</DIV></TD></TR>
<TR>
<TD vAlign=top width="33%">
<DIV align=center>6型</DIV></TD>
<TD vAlign=top width="33%">
<DIV align=center>172</DIV></TD>
<TD vAlign=top width="33%">
<DIV align=center>124~174</DIV></TD></TR></TBODY></TABLE>
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