钢锭的锻压温度范围
钢组 |
钢号 |
始锻温度 |
终锻温度 |
精锻温度 |
|
Ⅰ |
A3~A5,10~45,15Mn~30Mn,15Cr~30Cr |
1250 |
750 |
700 |
|
A6,(15~42)CrMo |
1220 |
750 |
700 |
|
20SiMn~35SiMn,20MnMo,18MnMoNb,40Cr |
|
14MnMoV,50~55,40MnMoB,40Mn~50Mn |
|
Ⅱ |
37SiMn2MoV,42MnMoV,60CrMo,34CrMo1A,38SiMnMo |
1220 |
750 |
700 |
|
38CrMoAl,(45~55)Cr,60~65,38CrMnMo,38CrMnSi, |
|
38CrMnAlA,12CrMoV,35CrMoV,17CrMo1V,30CrMnSi,35CrMnSi,35Mn2~50Mn2,20MnMoNb,14MnMoV,42MnMoV |
|
20CrMnMo,30CrMn2MoB,50SiMn,5CrMnSiMoV |
|
(50~65)Mn,(50~60)Mn2,35CrAl,(35~45)SiMn,30Cr2MoV |
1200 |
750 |
700 |
|
Ⅲ |
18CrMnMoB,18CrMnTi,20CrMnTi,12Cr3Mo,(18~35CrNiW) |
1200 |
750 |
700 |
|
20Cr2Ni4A,20Cr2Mn2MoA,60SiMnMo,55Si2MnV,40CrNiMo |
|
WCrMnSi,5CrNiW,5CrMnMo,5CrNiMo,50CrMnMo,60CrMnMo,50CrNiMo, 50Mn18Cr4,50Mn18Cr4N,50Mn18Cr4WN, |
1200 |
800 |
750 |
|
|
25Cr2Ni4MoV,22Cr2Ni4MoV,25CrNiMoV~25CrNi3MoV,28CrNi3MoV22Cr12Mo1V |
|
3Cr2W8V,60CrMnV,60CrW2Si,70Cr3Mo,86Cr2MoV,12Cr2MoV |
|
4SiMnMoV,34CrNi1Mo~34CrNi3Mo,PCrNi1Mo~PCrNi3Mo,26Cr2Ni4MoV,25CrNiMoV,Cr17Ni2,20CrNi4A,28CrNi1Mo,30Cr1Mo1V, |
1220 |
850 |
750 |
|
W18Cr4V,Cr5Mo,9Cr2W,,7Cr3,9CrSi,9Cr2,9Cr,9Cr2Mo,9CrV,9Cr2V,9Cr2W,8CrMoV,3Cr2W8V |
1200 |
850 |
750 |
|
Cr17Mn4,(4~6)CrW2Si,20Cr3WMoV |
|
T7~T8,(50~60)Si2,60SiMn |
1180 |
850 |
800 |
|
1Cr18Ni9Ti,(1~4)Cr13,CrWMn,2Cr1818Ni11Ti,Cr5Mo, |
|
T10~T12,Cr12Mo,Cr17,T9A,Cr17Ni2,3Cr2Mo,3Cr2MnNiMo(718) |
1180 |
850 |
800 |
|
GCr15,GCr15SiMn,GMnMoV, |
|
说明:
1、在升温段和到达最小保温前,炉温允许高于料温30~50℃。 |
|
2、到达最小保温时,炉温不允许超过规定最高锻温(最高加热温度) |
|
3、最高锻温与工艺规定有矛盾时,按工艺规定执行。 |
|
4、钢锭保温时,从表面到达最高锻温开始计算。 |
|
5、本表未列的新钢号,由工艺员按表1近似化学成份之钢号来确定。 |
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来源:热加工论坛
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