工模具钢淬火加热时间
<TABLE class=table1 borderColor=#b5dba2 cellSpacing=0 cellPadding=0 width=770 border=1><TBODY>
<TR>
<TD class=blk12 align=middle width=124 bgColor=#fdfbea height=41 rowSpan=2>钢种</TD>
<TD class=blk12 align=middle width=292 bgColor=#fdfbea colSpan=2 height=23>盐浴炉</TD>
<TD class=blk12 align=middle width=340 bgColor=#fdfbea height=41 rowSpan=2>空气炉,可空气氛炉</TD></TR>
<TR>
<TD class=blk12 align=middle width=116 bgColor=#fdfbea height=16>直径d(mm)</TD>
<TD class=blk12 align=middle width=176 bgColor=#fdfbea height=16>加热时间</TD></TR>
<TR>
<TD>高速钢</TD>
<TD><8</TD>
<TD>(850~900℃)预热</TD>
<TD>-</TD></TR>
<TR>
<TD>高速钢</TD>
<TD>8~20</TD>
<TD>10</TD>
<TD>-</TD></TR>
<TR>
<TD>高速钢</TD>
<TD>20~50</TD>
<TD>8</TD>
<TD>-</TD></TR>
<TR>
<TD>高速钢</TD>
<TD>50~70</TD>
<TD>7</TD>
<TD>-</TD></TR>
<TR>
<TD>高速钢</TD>
<TD>70~100</TD>
<TD>6</TD>
<TD>-</TD></TR>
<TR>
<TD>高速钢</TD>
<TD>100以上</TD>
<TD>5</TD>
<TD>-</TD></TR>
<TR>
<TD>热锻模具钢</TD>
<TD>5</TD>
<TD>5~8</TD>
<TD>厚度小于100mm 20~30min/25mm</TD></TR>
<TR>
<TD>热锻模具钢</TD>
<TD>10</TD>
<TD>8~10(800~850℃预热)</TD>
<TD>大于100mm 10~20min/25mm</TD></TR>
<TR>
<TD>热锻模具钢</TD>
<TD>20</TD>
<TD>10~15</TD>
<TD>-</TD></TR>
<TR>
<TD>热锻模具钢</TD>
<TD>30</TD>
<TD>15~20</TD>
<TD>-</TD></TR>
<TR>
<TD>热锻模具钢</TD>
<TD>50</TD>
<TD>20~25</TD>
<TD>800~850℃预热</TD></TR>
<TR>
<TD>热锻模具钢</TD>
<TD>100</TD>
<TD>30~40</TD>
<TD>-</TD></TR>
<TR>
<TD>冷变形模具钢</TD>
<TD>5</TD>
<TD>5~8(min)</TD>
<TD>-</TD></TR>
<TR>
<TD>冷变形模具钢</TD>
<TD>10</TD>
<TD>8~10(800~850℃预热)</TD>
<TD>厚度小于100mm 20~30min/25mm</TD></TR>
<TR>
<TD>冷变形模具钢</TD>
<TD>20</TD>
<TD>10~15</TD>
<TD>大于100mm10~20min/25mm</TD></TR>
<TR>
<TD>冷变形模具钢</TD>
<TD>30</TD>
<TD>15~20</TD>
<TD>-</TD></TR>
<TR>
<TD>冷变形模具钢</TD>
<TD>50</TD>
<TD>20~25</TD>
<TD>800~850℃预热</TD></TR>
<TR>
<TD>冷变形模具钢</TD>
<TD>100</TD>
<TD>30~40</TD>
<TD>-</TD></TR>
<TR>
<TD>碳素工具钢</TD>
<TD>10</TD>
<TD>5~8(min)</TD>
<TD>-</TD></TR>
<TR>
<TD>碳素工具钢</TD>
<TD>20</TD>
<TD>8~10(500~550℃预热)</TD>
<TD>厚度小于100mm 20~30min/25mm</TD></TR>
<TR>
<TD>碳素工具钢</TD>
<TD>30</TD>
<TD>10~15</TD>
<TD>大于100mm 10~20min/25mm</TD></TR>
<TR>
<TD>合金工具钢</TD>
<TD>50</TD>
<TD>20~25</TD>
<TD>-</TD></TR>
<TR>
<TD>合金工具钢</TD>
<TD>100</TD>
<TD>30~40</TD>
<TD>500~550℃预热</TD></TR></TBODY></TABLE>
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