常用量具钢的淬火及回火温度
<P><TABLE class=table1 borderColor=#b5dba2 cellSpacing=0 cellPadding=0 width=770 border=1>
<TBODY>
<TR bgColor=#b5dba2>
<TD class=blk12 align=middle width=126 bgColor=#fdfbea height=20 ?>钢号</TD>
<TD class=blk12 align=middle width=127 bgColor=#fdfbea height=20>淬火温度(℃)</TD>
<TD class=blk12 align=middle width=127 bgColor=#fdfbea height=20>常用冷却介质</TD>
<TD class=blk12 align=middle width=127 bgColor=#fdfbea height=20>淬火后硬度(HRC)</TD>
<TD class=blk12 align=middle width=127 bgColor=#fdfbea height=20>回火温度(℃)</TD>
<TD class=blk12 align=middle width=127 bgColor=#fdfbea height=20>回火后硬度(HRC)</TD></TR>
<TR>
<TD>GCr9</TD>
<TD>820~850</TD>
<TD>油、硝盐、碱浴</TD>
<TD>62~66</TD>
<TD>130~170</TD>
<TD>62~65</TD></TR>
<TR>
<TD>GCr15</TD>
<TD>830~860</TD>
<TD>油、硝盐、碱浴</TD>
<TD>62~66</TD>
<TD>130~170</TD>
<TD>62~65</TD></TR>
<TR>
<TD>GCr15SiMn</TD>
<TD>820~850</TD>
<TD>油、硝盐、碱浴</TD>
<TD>62~66</TD>
<TD>130~170</TD>
<TD>62~65</TD></TR>
<TR>
<TD>CrWMn</TD>
<TD>820~850</TD>
<TD>油、硝盐、碱浴</TD>
<TD>62~66</TD>
<TD>130~170</TD>
<TD>62~65</TD></TR>
<TR>
<TD>9Mn2V</TD>
<TD>780~810</TD>
<TD>油、硝盐、碱浴</TD>
<TD>≥62</TD>
<TD>130~170</TD>
<TD>≥60</TD></TR>
<TR>
<TD>T8A</TD>
<TD>750~780</TD>
<TD>水、硝盐、碱浴</TD>
<TD>62~65</TD>
<TD>130~150</TD>
<TD>≥62</TD></TR>
<TR>
<TD>T10A</TD>
<TD>760~790</TD>
<TD>水、硝盐、碱浴</TD>
<TD>62~65</TD>
<TD>130~160</TD>
<TD>≥62</TD></TR>
<TR>
<TD>T12A</TD>
<TD>760~790</TD>
<TD>水、硝盐、碱浴</TD>
<TD>62~65</TD>
<TD>130~160</TD>
<TD>≥62</TD></TR>
<TR>
<TD>9Cr18MoV</TD>
<TD>1050~1070</TD>
<TD>油</TD>
<TD>>55</TD>
<TD>200~300<BR>550~580</TD>
<TD>53~58<BR>43~46</TD></TR>
<TR>
<TD>65Mn</TD>
<TD>790~820</TD>
<TD>水、油</TD>
<TD>>56</TD>
<TD>300<BR>400<BR>500</TD>
<TD>52<BR>45<BR>37</TD></TR></TBODY></TABLE></P>
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