结构钢焊条牌号的表示方法
<DIV align=center>结构钢焊条牌号的表示方法</DIV><DIV align=center>
<TABLE cellSpacing=0 cellPadding=0 width="90%" border=1>
<TBODY>
<TR>
<TD>
<DIV align=center><B>牌</B><B> </B><B>号</B><B></B></DIV></TD>
<TD>
<DIV align=center><B>焊缝金属抗拉强度等级</B><B><BR>MPa(kgf/mm)<SUP>2</SUP></B><B></B></DIV></TD>
<TD>
<DIV align=center><B>焊缝金属屈服点等级</B><B><BR>MPa(kgf/mm)<SUP>2</SUP></B><B></B></DIV></TD></TR>
<TR>
<TD>
<DIV align=center>J42X</DIV></TD>
<TD>
<DIV align=center>410 (42)</DIV></TD>
<TD>
<DIV align=center>330 (34)</DIV></TD></TR>
<TR>
<TD>
<DIV align=center>J50X</DIV></TD>
<TD>
<DIV align=center>490 (50)</DIV></TD>
<TD>
<DIV align=center>410 (42)</DIV></TD></TR>
<TR>
<TD>
<DIV align=center>J55X</DIV></TD>
<TD>
<DIV align=center>540 (55)</DIV></TD>
<TD>
<DIV align=center>440 (45)</DIV></TD></TR>
<TR>
<TD>
<DIV align=center>J60X</DIV></TD>
<TD>
<DIV align=center>590 (60)</DIV></TD>
<TD>
<DIV align=center>530 (54)</DIV></TD></TR>
<TR>
<TD>
<DIV align=center>J70X</DIV></TD>
<TD>
<DIV align=center>690 (70)</DIV></TD>
<TD>
<DIV align=center>590 (60)</DIV></TD></TR>
<TR>
<TD>
<DIV align=center>J75X</DIV></TD>
<TD>
<DIV align=center>740 (75)</DIV></TD>
<TD>
<DIV align=center>640 (65)</DIV></TD></TR>
<TR>
<TD>
<DIV align=center>J80X</DIV></TD>
<TD>
<DIV align=center>780 (80)</DIV></TD>
<TD>
<DIV align=center>- -</DIV></TD></TR>
<TR>
<TD>
<DIV align=center>J85X</DIV></TD>
<TD>
<DIV align=center>830 (85)</DIV></TD>
<TD>
<DIV align=center>740 (75)</DIV></TD></TR>
<TR>
<TD>
<DIV align=center>J10X</DIV></TD>
<TD>
<DIV align=center>980 (100)</DIV></TD>
<TD>
<DIV align=center>- -</DIV></TD></TR></TBODY></TABLE></DIV>
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