回火后硬度与回火温度的关系.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 淬淬火火温温度度 25 3030 3535 4040 45 45 50 50 5555 60 60 13030350350300300200200 160870 10 235 甲甲 520520460460420420350350290290 170850 10 340 甲甲 540540490490430430370370310310 200850 10 445 甲甲 550550520520450450380380320320300300180180840 10 550 甲甲 560560530530460460390390330330310310180180830 10 66060580580540540460460400400360360310310250250180180820 10 730Mn490490400400350350300300200200870 10 840Mn540540200200840 10 950Mn560560470470410410340340270270210210160160810 10 1030Mn2 450450400400350350300300 200840 10 1140Mn2 540540420420370370320320270270240240830 10 1250Mn2 600600480480400400300300820 10 1335SiMn 560560520520460460400400350350200200880 10 1442Mn2V600600520520470470430430350350200200855 10 1530Cr500500200200850 10 1640Cr580580510510470470420420340340200200 160840 10 1745Cr620620530530480480420420340340200200 180830 10 1850Cr650650570570480480400400280280230230 180820 10 1940CrSi 630630550550520520450450400400330330220220900 10 2030CrMn2 600600500500450450380380280280200200850 10 2140CrMn 580580510510230230200200830 10 2230CrMnSi 620620530530500500430430340340180180890 10 2335CrMnSiA 620620530530500500430430360360200200860 10 2440CrV640640560560500500450450320320200200860 10 2545CrV640640560560500500450450320320200200860 10 2650CrV650650560560500500450450380380280280180180860 10 2730CrMo560560440440400400200200860 10 2835CrMo600600550550480480400400300300200200860 10 2942CrMo620620580580500500400400300300180180840 10 3040CrMnMo550550500500450450400400250250850 10 3140CrNi 580580510510460460420420340340200200850 10 3237CrNi3A 570570500500420420300300300300840 10 3340CrNiMoA620620580580540540480480420420320320860 10 3435CrNiMoA610610570570530530440440400400320320870 10 3535CrNi3MoA630630580580540540480480420420320320860 10 3630Cr2MoV630630540540450450860 10 3735CrMoV640640590590500500360360300300 200900 10 3838CrSi 630630550550520520450450400400330330900 10 3940Cr2MoV640640860 10 4038CrMoAlA680680630630530530430430320320200200940 10 4140B550550450450840 10水水冷冷回回火火 4245B660660600600500500820 10水水冷冷回回火火 4350B420420400400360360280280840 10作作弹弹簧簧回回 4440MnB 550出出炉炉水水冷冷 450450840 10 4540MnVB600600460460840 10 4640CrB620620530530470470430430850 10 4740CrMnMoVBA620620500500450450860 10 4845CrNi 570570500500430430360360280280230230 160830 10 4950CrNi 580580520520450450350350270270230230200200820 10 506565620620550550500500450450380380300300230230 200840 10弹弹簧簧钢钢回回 517070620620550550500500450450380380310310230230 200810 10弹弹簧簧钢钢回回 528585620620550550500500450450380380330330250250 200800 10弹弹簧簧钢钢回回 5360Mn550550500500450450400400820 10弹弹簧簧钢钢回回 5465Mn660660600600520520440440380380300300230230 170820 10弹弹簧簧钢钢回回 5555SiMn550550490490820 10弹弹簧簧钢钢回回 5660Si2MnA620620600600550550520520470470420420380380180180860 10 5750CrMn580580500500450450400400330330850 10 5850CrMnVA560560520520430430400400850 10 5960Si2CrV460460420420850 10 6055Si2B500500440440400400360360300300860 10 6165Si2WA420420840 10 6230W4Cr2VA550 6501050 1100 63GCr6550550500500460460400400300300250250 200810 10 64GCr9550550500500460460410410350350270270 180830 10 65GCr15680680580580530530480480420420380380270270 180840 10 66GCr9SiMn420420350350280280 200830 10 67GCr15SiMn480480420420350350280280 180830 10 68CrMnSi600600560560520520460460400400以以下下为为工工模模具具钢钢回回火火 69Cr8WV700700650650600600540540450450250250 180960 1000 70T7 A 580580530530470470420420370370320320250250 160800 10 71T8 A 580580530530470470420420370370332332250250 160800 10 72T10 A 580580540540490490430430380380340340250250 200780 10 73T12 A 580580540540490490430430380380340340250250 200780 10 749Mn2400400340340280280 200770 10 759Mn2V500500400400320320250250 180800 10 76SiMn500500430430370370330330 200830 10 77Cr2530530600600530530480480420420320320230230 180840 10 789Cr2Mo W 700700工工频频淬淬后后H8 90 130 140 700系系调调质质温温度度 799SiCr670670620620580580520520450450380380300300100100880 10 806CrSi630630590590530530450450380380280280 200850 10 814CrSi630630580580520520430430 250860 10 82Cr580580530530480480420420350350280280 200880 10 83SiCr440440370370 250830 10 84CrMn590590540540490490430430340340280280 180840 10 85CrWMn640640600600540540480480420420350350280280170170850 10 86Cr12 650600520470250850 10千千度度以以下下淬淬火火 750700650600550 千千度度以以上上淬淬火火 87Cr12V360360240240 1601060 1090 88Cr12MoV740740670670620620570570530530380380 180950 1040 89Cr12MoV760760710710650650610610 500或或5805505501050 1130 90Cr12Mo600600530530480480 230980 1050 91Cr12Mo525二二次次回回火火上上限限温温度度淬淬火火作作热热冲冲模模1100 1150 92W350350300300240240 160780 800水水 93W330330280280220220 160830 10油油 94W2630630580580520520440440370370300300240240 180810 10水水 95W2630630580580520520440440370370300300240240 180850 10油油 96CrW5620620550550500500450450400400320320270270 200810 10水水 979CrWMn620620570570520520470470370370250250 180850 10油油 986SiMnV600600530530470470400400830 10 995SiMnMoV660660600600450450380380840 900 1005CrMnMo580580520520470470380380250250 200840 10 1015CrNiMo700700640640550550450450380380280280 200850 10 1025CrNiSi580580530530460460420420250250 170840 10 1035CrNiW610610550550480480420420840 10 1045CrNiTi570570530530460460400400840 10 1055CrWMn620620580580500500380380300300230230830 860 1065CrW2Si570570480480420420360360 300860 890 1076CrW2Si590590550550470470400400320320200200850 880 1084CrW2Si600600550550480480430430300300860 900 1093Cr2W8730730700700600600540540 2001050 1120 1103Cr2W8V700700630630540540 2001050 1120 1117Cr3600600570570500500430430320320200200850 10 1128Cr3610610580580510510440440330330200200850 10 1133W4Cr2V4204203503501050 1100经经不不起起回回火火 114 120Cr4W2MoV300300220220550 10二二次次回回火火作作热热冲冲模模 980 1050 115W18Cr4V680680650650550 10 三三次次 1260 1300 116W9Cr4V2670670640640550 10 三三次次 1220 1260 117W12Cr4V4Mo570 10 三三次次 1220 1240 118W12Cr4V4Mo570 10 三三次次 1220 1260 119W6Mo5Cr4V2570 10 三三次次 1220 1240 120W6Mo5Cr4V3570 10 三三次次 1215 1225 121 W9Cr4V2Co10560 10 二二或或三三次次 1220 1260 122 W10Cr4V5Co5560 10 二二或或三三次次 1220 1260 1231Cr13580580550550 500980 1050 1242Cr13600600560560520520450450 400980 1050 1253Cr13620620600600570570540540 500980 1050 1264Cr13630630610610580580550550500500 4001040 1070 1279Cr18580580 320 530450 220 1501000 1050 128Cr18560560300300250 450 2001220 1240 1294Cr9Si2670670600600540540480480420420 300退退火火900 10炉炉冷冷 1304Cr10Si2Mo700700630630580580560560380380400 500 2001100 1150 131Cr17Ni2650 700 550550230 500950 1040 132 15Cr