铸造工、模具钢的淬火工艺
<TABLE cellSpacing=0 cellPadding=0 border=1><TBODY>
<TR>
<TD vAlign=top width=109 rowSpan=4>
<P align=center><STRONG>牌号</STRONG></P></TD>
<TD vAlign=top width=271 colSpan=4>
<P align=center><STRONG>预热</STRONG></P></TD>
<TD vAlign=top width=208 colSpan=3>
<P align=center><STRONG>淬火</STRONG></P></TD>
<TD vAlign=top width=84 rowSpan=4>
<P align=center><STRONG>淬火后硬度HRC</STRONG></P></TD></TR>
<TR>
<TD vAlign=top width=148 colSpan=2>
<P align=center>一次</P></TD>
<TD vAlign=top width=123 colSpan=2>
<P align=center>二次</P></TD>
<TD vAlign=top width=78 rowSpan=3>
<P align=center>温度／℃</P></TD>
<TD vAlign=top width=130 colSpan=2 rowSpan=2>
<P align=center>保温时间／（min／mm）</P></TD></TR>
<TR>
<TD vAlign=top width=148 colSpan=2>
<P align=center>空气炉</P></TD>
<TD vAlign=top width=123 colSpan=2>
<P align=center>盐浴炉</P></TD></TR>
<TR>
<TD vAlign=top width=71>
<P align=center>温度／℃</P></TD>
<TD vAlign=top width=77>
<P align=center>时间／（min／mm）</P></TD>
<TD vAlign=top width=64>
<P align=center>温度／℃</P></TD>
<TD vAlign=top width=59>
<P align=center>时间／（min／mm）</P></TD>
<TD vAlign=top width=46>
<P align=center>空气炉</P></TD>
<TD vAlign=top width=84>
<P align=center>盐浴炉</P></TD></TR>
<TR>
<TD vAlign=top width=109>
<P align=center>ZGW18Cr4V</P></TD>
<TD vAlign=top width=71>
<P align=center>500~550</P></TD>
<TD vAlign=top width=77>
<P align=center>2~3</P></TD>
<TD vAlign=top width=64>
<P align=center>800~850</P></TD>
<TD vAlign=top width=59>
<P align=center>0.4~0.5</P></TD>
<TD vAlign=top width=78>
<P align=center>1180~1220</P></TD>
<TD vAlign=top width=46>
<P align=center>1~2</P></TD>
<TD vAlign=top width=84>
<P align=center>到温后保温15～20min</P></TD>
<TD vAlign=top width=84>
<P align=center>＞62</P></TD></TR>
<TR>
<TD vAlign=top width=109>
<P>ZGW9Cr4V</P></TD>
<TD vAlign=top width=71>
<P>500~550</P></TD>
<TD vAlign=top width=77>
<P>2~3</P></TD>
<TD vAlign=top width=64>
<P>800~850</P></TD>
<TD vAlign=top width=59>
<P>0.4~0.5</P></TD>
<TD vAlign=top width=78>
<P>1220~1260</P></TD>
<TD vAlign=top width=46>
<P>1~2</P></TD>
<TD vAlign=top width=84>
<P>0.3~0.4</P></TD>
<TD vAlign=top width=84>
<P>62~65</P></TD></TR>
<TR>
<TD vAlign=top width=109>
<P>ZG3Cr2W8</P></TD>
<TD vAlign=top width=71>
<P>600~650</P></TD>
<TD vAlign=top width=77>
<P>2~3</P></TD>
<TD vAlign=top width=64>
<P>800~850</P></TD>
<TD vAlign=top width=59>
<P>0.4~0.5</P></TD>
<TD vAlign=top width=78>
<P>1050~1120</P></TD>
<TD vAlign=top width=46>
<P>1~2</P></TD>
<TD vAlign=top width=84>
<P>0.15~0.3</P></TD>
<TD vAlign=top width=84>
<P>54~56</P></TD></TR>
<TR>
<TD vAlign=top width=109>
<P>ZG4Cr5MoSiV1</P></TD>
<TD vAlign=top width=71>
<P>600~650</P></TD>
<TD vAlign=top width=77>
<P>2~3</P></TD>
<TD vAlign=top width=64>
<P>800~850</P></TD>
<TD vAlign=top width=59>
<P>0.4~0.5</P></TD>
<TD vAlign=top width=78>
<P>1000~1050</P></TD>
<TD vAlign=top width=46>
<P>1~2</P></TD>
<TD vAlign=top width=84>
<P>0.15~0.3</P></TD>
<TD vAlign=top width=84>
<P>56~58</P></TD></TR>
<TR>
<TD vAlign=top width=109>
<P>ZG5CrMnMo</P></TD>
<TD vAlign=top width=71>
<P> </P></TD>
<TD vAlign=top width=77>
<P> </P></TD>
<TD vAlign=top width=64>
<P>800~850</P></TD>
<TD vAlign=top width=59>
<P>0.3</P></TD>
<TD vAlign=top width=78>
<P>820~850</P></TD>
<TD vAlign=top width=46>
<P>1~2</P></TD>
<TD vAlign=top width=84>
<P>0.1</P></TD>
<TD vAlign=top width=84>
<P>52~54</P></TD></TR>
<TR>
<TD vAlign=top width=109>
<P>ZG5CrNiMo</P></TD>
<TD vAlign=top width=71>
<P> </P></TD>
<TD vAlign=top width=77>
<P> </P></TD>
<TD vAlign=top width=64>
<P>800~850</P></TD>
<TD vAlign=top width=59>
<P>0.3</P></TD>
<TD vAlign=top width=78>
<P>840~860</P></TD>
<TD vAlign=top width=46>
<P>1~2</P></TD>
<TD vAlign=top width=84>
<P>0.1</P></TD>
<TD vAlign=top width=84>
<P>50~52</P></TD></TR>
<TR>
<TD vAlign=top width=109>
<P>ZGCr12</P></TD>
<TD vAlign=top width=71>
<P>500~550</P></TD>
<TD vAlign=top width=77>
<P>2~3</P></TD>
<TD vAlign=top width=64>
<P>800~850</P></TD>
<TD vAlign=top width=59>
<P>0.5~0.6</P></TD>
<TD vAlign=top width=78>
<P>960~980</P>
<P>1080~1100</P></TD>
<TD vAlign=top width=46>
<P>1~2</P></TD>
<TD vAlign=top width=84>
<P>0.3~0.4</P></TD>
<TD vAlign=top width=84>
<P>62~64</P>
<P>40~50</P></TD></TR></TBODY></TABLE>
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