回火后硬度与回火温度的关系(148种钢号).xls

编号钢钢号号 回回火火后后硬硬度度与与回回火火温温度度的的关关系系 25-3030-3535-4040-45 45-50 50-5555-6060 13030350350300300200200160 235（甲甲）520520460460420420350350290290170 340（甲甲）540540490490430430370370310310200 445（甲甲）550550520520450450380380320320300300180180 550（甲甲）560560530530460460390390330330310310180180 66060580580540540460460400400360360310310250250180180 730Mn490490400400350350300300200200 840Mn540540200200 950Mn560560470470410410340340270270210210160160 1030Mn2*450450400400350350300300200 1140Mn2*540540420420370370320320270270240240 1250Mn2*600600480480400400300300 1335SiMn*560560520520460460400400350350200200 1442Mn2V600600520520470470430430350350200200 1530Cr500500200200 1640Cr580580510510470470420420340340200200160 1745Cr620620530530480480420420340340200200180 1850Cr650650570570480480400400280280230230180 1940CrSi*630630550550520520450450400400330330220220 2030CrMn2*600600500500450450380380280280200200 2140CrMn*580580510510230230200200 2230CrMnSi*620620530530500500430430340340180180 2335CrMnSiA*620620530530500500430430360360200200 2440CrV640640560560500500450450320320200200 2545CrV640640560560500500450450320320200200 2650CrV650650560560500500450450380380280280180180 2730CrMo560560440440400400200200 2835CrMo600600550550480480400400300300200200 2942CrMo620620580580500500400400300300180180 3040CrMnMo550550500500450450400400250250 3140CrNi*580580510510460460420420340340200200 3237CrNi3A*570570500500420420300300300300 3340CrNiMoA620620580580540540480480420420320320 3435CrNiMoA610610570570530530440440400400320320 3535CrNi3MoA630630580580540540480480420420320320 3630Cr2MoV630630540540450450 3735CrMoV640640590590500500360360300300200 3838CrSi*630630550550520520450450400400330330 3940Cr2MoV640640 4038CrMoAlA680680630630530530430430320320200200 4140B550550450450 4245B660660600600500500 4350B420420400400360360280280 4440MnB*550出出炉炉水水冷冷450450 4540MnVB600600460460 4640CrB620620530530470470430430 4740CrMnMoVBA620620500500450450 4845CrNi*570570500500430430360360280280230230160 4950CrNi*580580520520450450350350270270230230200200 506565620620550550500500450450380380300300230230200 517070620620550550500500450450380380310310230230200 528585620620550550500500450450380380330330250250200 5360Mn550550500500450450400400 5465Mn660660600600520520440440380380300300230230170 5555SiMn550550490490 5660Si2MnA620620600600550550520520470470420420380380180180 5750CrMn580580500500450450400400330330 5850CrMnVA560560520520430430400400 5960Si2CrV460460420420 6055Si2B500500440440400400360360300300 6165Si2WA420420 6230W4Cr2VA550-650 63GCr6550550500500460460400400300300250250200 64GCr9550550500500460460410410350350270270180 65GCr15680680580580530530480480420420380380270270180 66GCr9SiMn420420350350280280200 67GCr15SiMn480480420420350350280280180 68CrMnSi600600560560520520460460400400 69Cr8WV700700650650600600540540450450250250180 70T7(A)580580530530470470420420370370320320250250160 71T8(A)580580530530470470420420370370332332250250160 72T10(A)580580540540490490430430380380340340250250200 73T12(A)580580540540490490430430380380340340250250200 749Mn2400400340340280280200 759Mn2V500500400400320320250250180 76SiMn500500430430370370330330200 77Cr2530530600600530530480480420420320320230230180 789Cr2Mo(W)700700工工频频淬淬后后H890，130-140 799SiCr670670620620580580520520450450380380300300100100 806CrSi630630590590530530450450380380280280200 814CrSi630630580580520520430430250 82Cr580580530530480480420420350350280280200 83SiCr440440370370250 84CrMn590590540540490490430430340340280280180 85CrWMn640640600600540540480480420420350350280280170170 86Cr12 650600520470250 750700650600550 87Cr12V360360240240160 88Cr12MoV740740670670620620570570530530380380180 89Cr12MoV760760710710650650610610 500或或580550550 90Cr12Mo600600530530480480230 91Cr12Mo525二二次次回回火火 92W350350300300240240160 93W330330280280220220160 94W2630630580580520520440440370370300300240240180 95W2630630580580520520440440370370300300240240180 96CrW5620620550550500500450450400400320320270270200 979CrWMn620620570570520520470470370370250250180 986SiMnV600600530530470470400400 995SiMnMoV660660600600450450380380 1005CrMnMo580580520520470470380380250250200 1015CrNiMo700700640640550550450450380380280280200 1025CrNiSi580580530530460460420420250250170 1035CrNiW610610550550480480420420 1045CrNiTi570570530530460460400400 1055CrWMn620620580580500500380380300300230230 1065CrW2Si570570480480420420360360300 1076CrW2Si590590550550470470400400320320200200 1084CrW2Si600600550550480480430430300300 1093Cr2W8730730700700600600540540200 1103Cr2W8V700700630630540540200 1117Cr3600600570570500500430430320320200200 1128Cr3610610580580510510440440330330200200 1133W4Cr2V420420350350 114120Cr4W2MoV300300220220 115W18Cr4V68068065065055010（三三次次） 116W9Cr4V267067064064055010（三三次次） 117W12Cr4V4Mo57010（三三次次） 118W12Cr4V4Mo57010（三三次次） 119W6Mo5Cr4V257010（三三次次） 120W6Mo5Cr4V357010（三三次次） 121W9Cr4V2Co1056010（二二或或三三次次） 122W10Cr4V5Co556010（二二或或三三次次） 1231Cr13580580550550500 1242Cr13600600560560520520450450400 1253Cr13620620600600570570540540500 1264Cr13630630610610580580550550500500400 1279Cr18580580 320/530450/220 150 128Cr18560560300300250/450 200 1294Cr9Si2670670600600540540480480420420300 1304Cr10Si2Mo700700630630580580560560380380400-500，200 131Cr17Ni2650-700550550230-500 13215Cr/20Cr渗渗碳碳后后350350280280220220160 1333Cr17 28-33HRC 610 30-35HRC 590 真真空空1020，同同滚滚丝丝轮轮淬淬火火硬硬度度44.5HRC 13415Cr/20Cr渗渗碳碳后后380380330330240240180 13518CrMnTi渗渗碳碳后后240240180 13622CrMnMo渗渗碳碳后后240240180 13712CrNi2(A)渗渗碳碳后后240240180 13812CrNi4(A)渗渗碳碳后后400400310310240240 139 18Cr2Ni4WA渗渗碳碳后后240240200 14020MnTiB渗渗碳碳后后240240180 14130CrMnTi渗渗碳碳后后240240180 14235CrMnTi180 143ZG35 144ZG45 145ZG53400400340340280280180180 146ZGMn13600-650,300350-400500-550450450 147ZG40Mn 148ZG40Cr 说说明明 1：有有*者者表表示示回回火火脆脆性性较较大大，通通常常不不在在250-400回回火火。 2：回回火火温温度度依依照照硬硬度度的的要要求求的的中中值值偏偏上上而而定定。 3：120Cr4W2MoV材材料料55010回回火火系系103010淬淬火火作作热热冲冲模模，中中下下限限为为冷冷冲冲模模淬淬火火温温度度，仅仅低低温温度度回回火火。 淬淬火火温温度度 87010 85010 85010 84010 83010 82010 87010 84010 81010 84010 83010 82010 88010 85510 85010 84010 83010 82010 90010 85010 83010 89010 86010 86010 86010 86010 86010 86010 84010 85010 85010 84010 86010 87010 86010 86010 90010 90010 86010 94010 84010水水冷冷回回火火 82010水水冷冷回回火火 84010作作弹弹簧簧回回 84010 84010 85010 86010 83010 82010 84010弹弹簧簧钢钢回回 81010弹弹簧簧钢钢回回 80010弹弹簧簧钢钢回回 82010弹弹簧簧钢钢回回 82010弹弹簧簧钢钢回回 82010弹弹簧簧钢钢回回 86010 85010 85010 85010 86010 84010 1050-1100 81010 83010 84010 83010 83010 以以下下为为工工模模具具钢钢回回火火 960-1000 80010 80010 78010 78010 77010 80010 83010 84010 700系系调调质质温温度度 88010 85010 86010 88010 83010 84010 85010 85010千千度度以以下下淬淬火火 千千度度以以上上淬淬火火 1060-1090