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1、编号钢号回火后硬度与回火温度的关系淬火温度25-3030-3535-4040-4545-5050-5555-60 60130350300200 :V 160870 0235 (甲)520460420350290V 170850 0340 (甲)540490430370310V 200850 0445 (甲)550520450 1380320r 300180840 0550 (甲)560530460390330310180830 0660580540460400360310250180820 0730Mn490400350 1300200870 0840Mn540200840 0950Mn560

2、47041034027021016081001030Mn2*450400350 1300V 200840 01140Mn2*540420370320270240830 01250Mn2*600480400300820 01335SiMn*560520460 :400350200880 01442Mn2V600520470430350200855 01530Cr500200850 01640Cr580510470420340200V 160840 01745Cr620530480420340200V 180830 01850Cr650570480:400280230V 180820 01940C

3、rSi*630550520450400330220900 02030CrMn2*600500450380280200850 02140CrMn*580510230200830 02230CrMnSi*620530500430340180890 02335CrMnSiA*620530500430360200860 02440CrV640560500 450320200860 02545CrV640560500450320200860 02650CrV650560500450380280180860 02730CrMo560440400 :r 200860 02835CrMo60055048040

4、0300200860 02942CrMo620580500400300180840 03040CrMnMo550500 :450400r 250850 03140CrNi*580510460420340200850 03237CrNi3A*570500420300300840 03340CrNiMoA620580540480420320860 03435CrNiMoA610570530440400320870 03535CrNi3MoA630580540480420320860 03630Cr2MoV630540450860 03735CrMoV640590500360300V 2009000

5、3838CrSi*630550520 :450400r 330900 03940Cr2MoV640860 04038CrMoAlA680630530430320200940 04140B550450840 0水冷回火4245B660600500820 0水冷回火4350B420400360280840 0作弹簧回4440MnB* 550岀炉水-冷450840 04540MnVB600460840 04640CrB620530470430850 04740CrMnMoVBA620500450 :860 04845CrNi*570500430360280230V 160830 04950CrNi*

6、580520450350270230200820 05065620550500 :450380300230V 200840 0弹簧钢回5170620550500450380310230V 200810 0弹簧钢回5285620550500 :450380330250V 200800 0弹簧钢回5360Mn550500450400820 0弹簧钢回5465Mn660600520440380300230V 170820 0弹簧钢回5555SiMn550 :490820 0弹簧钢回5660Si2MnA620600550520470420380180 I860 105750CrMn5805004504

7、00330850 105850CrMnVA560520 :430400850 105960Si2CrV460420850 106055Si2B500440400360300860 106165Si2WA420840 106230W4Cr2VA550-6501050-110063GCr6550500460400300250V 2008101064GCr9550500460410350270V 180830 1065GCr15680580530480420380270V 180840 1066GCr9SiMn420350280V 200830 1067GCr15SiMn480420350280V

8、180830 1068CrMnSi600560520460400以下为工模具钢回火69Cr8WV700650 :600540450250V 180960-100070T7(A)580530470 1420370320250V 160800 1071T8(A)580530470420370332250V 160800 1072T10(A)580540490 :430380340250V 200780 1073T12(A)580540490430380340250V 200780 10749Mn2400340280V 200770 10759Mn2V500400r 320250V 180800 1

9、076SiMn500430370330V 200830 1077Cr2530600530480420320230V 180840 10789Cr2Mo(W)700工频淬后90, 130-140700系调质温度799SiCr670620580520450380300100880 10806CrSi630590 1530450380280V 200850 10814CrSi630580520430V 250860 1082Cr580530480420350280V 2008801083SiCr440370V 250830 1084CrMn590540490430340280V 180840 108

10、5CrWMn640600540480420350280170850 1086Cr12650600 1520470250850 0千度以下淬火750700650600550千度以上淬火87Cr12V360240V 1601060-109088Cr12MoV740670620570530380V 180950-104089Cr12MoV760710650610 5i00 或 5805501050-113090Cr12Mo600530480V 230980-105091Cr12Mo525 二次上回火温度淬火作热冲模 1100-,92W350300240V 160780-800水93W33028022

11、0V 160830 10油94W2630580520440370300240V 180810 10水95W2630580520440370300240V 180850 10油96CrW5620550500450400320270V 200810 10水979CrWMn620570520470370250v 180850 0油986SiMnV600530470400830 10995SiMnMoV660600 :450380840-9001005CrMnMo580520470380250v 200840 01015CrNiMo700640550450380280v 200850 01025CrN

12、iSi580 :530460420250v 170840 01035CrNiW610550480420840 01045CrNiTi570530460400840 01055CrWMn620 :580500380300230830-8601065CrW2Si570480420360v 300860-8901076CrW2Si590550470400320200850-8801084CrW2Si600 :550480430300860-9001093Cr2W8730700600540v 2001050-11201103Cr2W8V700630540v 2001050-11201117Cr3600

13、570500430320200850 01128Cr3610580510440330200850 01133W4Cr2V4203501050-1100经不起回火114120Cr4W2MoV300221(二次回火作热冲模(980-1050)115W18Cr4V6806550:也0 (三次)1260-1300116W9Cr4V26706400 也0 (三次) 1220-1260117W12Cr4V4Mo570 10 (三次)1220-1240118W12Cr4V4Mo570 10 (三次) 1220-1260119W6Mo5Cr4V2570 10 (三次)1220-1240120W6Mo5Cr4V

14、3570 10 (三次)1215-1225121W9Cr4V2Co10560 10 (二或二次)1220-1260122W10Cr4V5Co5560 10 (二或二次)1220-12601231Cr13580550v 500 I980-10501242Cr13600560520450v 400980-10501253C1540v 500980-10501264C1550500v 4001040-10701279Cr18580320/53(450/220v 1501000-1050128Cr18560r 300250/450v 2001220-

15、12401294Cr9Si2670600540480420v 300退火900 10炉冷1304Cr10Si2Mo700630580560380)0-500,v 2001100-1150131Cr17Ni2650-700550230-500950-104013215Cr/20Cr渗碳后350280220v 160790 01333Cr17 28-33HRC 610 C 30-35HRC 590 C 真空1020C .同滚丝轮淬火硬度 44.5HRC1341l5Cr/20Cr渗碳后380330240v 180830 01351l8CrMnTi渗碳后240v 180860 013622CrMnMo渗碳后240v 180850 013712CrNi2(A)渗碳后240v 18013812CrNi4(A)渗碳后4003102401398Qr2Ni4WA渗碳后240v 20014020MnTiB渗碳后240v 1801413BCrMnTi渗碳后240v 18014235CrMnTi

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