英国标准非合金和低合金抗磨白口铸铁的硬度
<TABLE cellSpacing=0 cellPadding=0 width="100%" border=1><TBODY>
<TR>
<TD width="20%" rowSpan=2>
<DIV align=center>牌 号</DIV></TD>
<TD width="40%" colSpan=2>
<DIV align=center>≥HBS</DIV></TD>
<TD width="40%" colSpan=2>
<DIV align=center>≥HV<SUB>50</SUB>(换算值)</DIV></TD></TR>
<TR>
<TD width="20%">
<DIV align=center>截面厚度</DIV>
<DIV align=center>≤50 mm</DIV></TD>
<TD width="20%">
<DIV align=center>截面厚度</DIV>
<DIV align=center>＞50mm</DIV></TD>
<TD width="20%">
<DIV align=center>截面厚度</DIV>
<DIV align=center>≤50 mm</DIV></TD>
<TD width="20%">
<DIV align=center>截面厚度</DIV>
<DIV align=center>＞50mm</DIV></TD></TR>
<TR>
<TD width="20%">
<DIV align=center>1A</DIV></TD>
<TD width="20%">
<DIV align=center>400</DIV></TD>
<TD width="20%">
<DIV align=center>350</DIV></TD>
<TD width="20%">
<DIV align=center>428</DIV></TD>
<TD width="20%">
<DIV align=center>368</DIV></TD></TR>
<TR>
<TD width="20%">
<DIV align=center>1B</DIV></TD>
<TD width="20%">
<DIV align=center>400</DIV></TD>
<TD width="20%">
<DIV align=center>350</DIV></TD>
<TD width="20%">
<DIV align=center>428</DIV></TD>
<TD width="20%">
<DIV align=center>368</DIV></TD></TR>
<TR>
<TD width="20%">
<DIV align=center>1C</DIV></TD>
<TD width="20%">
<DIV align=center>250</DIV></TD>
<TD width="20%">
<DIV align=center>200</DIV></TD>
<TD width="20%">
<DIV align=center>255</DIV></TD>
<TD width="20%">
<DIV align=center>205</DIV></TD></TR></TBODY></TABLE>
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