鋼錠的鍛壓溫度范圍
|
鋼組 |
鋼號 |
始鍛溫度 |
終鍛溫度 |
精鍛溫度 |
|
|
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, |
|
|
說明：
1、在升溫段和到達最小保溫前，爐溫允許高于料溫30～50℃。 |
|
|
2、到達最小保溫時，爐溫不允許超過規(guī)定最高鍛溫（最高加熱溫度） |
|
|
3、最高鍛溫與工藝規(guī)定有矛盾時，按工藝規(guī)定執(zhí)行。 |
|
|
4、鋼錠保溫時，從表面到達最高鍛溫開始計算。 |
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5、本表未列的新鋼號，由工藝員按表1近似化學成份之鋼號來確定。 |
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來源：熱加工論壇
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