回火后硬度与回火温度的关系(148种钢号)

1、编号钢号回火后硬度与回火温度的关系25-3030-3535-4040-4545-5050-5555-60 60130350300200:V 160235 （甲）520460420350290V 170340 （甲）540490430370310V 200445 （甲）550520450r 380320300180550 （甲）560530460390330310180660580540460400360310250180730Mn490400350r 300200840Mn540200950Mn5604704103402702101601030Mn2*r 4501400350r 300V 20

2、01140Mn2*5404203703202702401250Mn2*6004804003001335SiMn*r 560 i520460r 4003502001442Mn2V6005204704303502001530Cr500:2001640Cr:580510470420340200V 1601745Cr620530480420340200V 1801850Cr1650570480400280230V 1801940CrSi*r6305505204504003302202030CrMn2*6005004503802802002140CrMn*5805102302002230CrMnSi*6

3、205305004303401802335CrMnSiA*6205305004303602002440CrVr 64015605004503202002545CrV6405605004503202002650CrV6505605004503802801802730CrMor5604404002002835CrMo6005504804003002002942CrMo620580500r 4003001803040CrMnMo5505004504002503140CrNi*5805104604203402003237CrNi3A*570500r 4203003003340CrNiMoA620580

4、5401 4804203203435CrNiMoA6105705304404003203535CrNi3MoA6305805404804203203630Cr2MoV6305401 4503735CrMoV640590500360300V 2003838CrSi*63015505201 4504003303940Cr2MoV6404038CrMoAlA6806305304303202004140B550n4504245B6606005004350B4204003602804440MnB*550出炉水冷4504540MnVB6004604640CrB6205304704304740CrMnMoV

5、BA6205004504845CrNi*570500430360280230V 1604950CrNi*5805204503502702302005065620550500450380300230V 2005170620550500450380310230V 2005285P 620550500P 450380330250V 2005360Mn5505004504005465Mn660600520P 440380300230V 1705555SiMn5504905660Si2MnA6206005505204704203801805750CrMn580r 5004504003305850CrMn

6、VA5605204304005960Si2CrV4604206055Si2B5004404003603006165Si2WA4206230W4Cr2VA550-65063GCr6550500r 460400300250V 20064GCr9550500460410350270V 18065GCr15680580530480420380270V 18066GCr9SiMn420350280V 20067GCr15SiMn480420350280V 18068CrMnSi60056052046040069Cr8WV700650600540450250V 18070T7(A)580530470420

7、370320250V 16071T8(A)580530470r 420370332250V 16072T10(A)580540490430380340250V 20073T12(A)580540490430380340250V 200749Mn2400340280V 200759Mn2V1 500400320250V 18076SiMn500430370330V 20077Cr2530600530r 480420320230V 180789Cr2Mo(W)700工频淬后90, 13799SiCr670620580520450380300100806CrSi630590530450380280V

8、 200814CrSi630580520430V 25082Cr580530480420350280V 20083SiCr440370V 25084CrMn590540490430340280V 18085CrWMn64060054048042035028017086Cr1265060052047025075070065060055087Cr12V360240V 16088Cr12MoV740670620570530380V 18089Cr12MoV760710650610 500或 58055090Cr12Mo600530480V 23091Cr12Mo525二次回92W350300240V

9、 16093W330280220V 16094W2630580520440370300240V 18095W2630580520440370300240V 18096CrW5620550500450400320270V 200979CrWMn620570520470370250V 180986SiMnV600530470400995SiMnMoV6606004503801005CrMnMo580520470380250V 2001015CrNiMo700640550450380280V 2001025CrNiSi580530460420250v 1701035CrNiW610550480420

10、1045CrNiTi570:5304604001055CrWMn6205805003803002301065CrW2Si570P 480420360v 3001076CrW2Si5905504704003202001084CrW2Si6005504804303001093Cr2W8730r 700600540v 2001103Cr2W8V700630540v 2001117Cr36005705004303202001128Cr3610580r 5104403302001133W4Cr2V420350114120Cr4W2MoV300220115W18Cr4V6806550：也0 （三次）116

11、W9Cr4V26706460：也0 （三次）117W12Cr4V4Mo5700 (三次）118W12Cr4V4Mo5700 (三次）119W6Mo5Cr4V25700 (三次）120W6Mo5Cr4V35700 (三次）121W9Cr4V2Co10560 0 (二或二次）122W10Cr4V5Co5560 0 (二或二次）1231Cr13580550v 5001242Cr13600560520450v 4001253Cr13620600570540v 5001264C 550500v 4001279Cr18580320/53()450/220v 150128Cr185

12、60300250/450v 2001294Cr9Si2670r 600540480420v 3001304Cr10Si2Mo70063058056038 (00-500,v 200131Cr17Ni2650-700550230-50013215Cr/20Cr渗碳后350280220v 1601333Cr1728-33HRC 610 C 30-35HRC 590 C 真空1020C，同滚丝轮淬火硬度44.5HRC13415Cr/20Cr渗碳后380330240v 18013518CrMnTi渗碳后240v 18013622CrMnMo渗碳后240v 18013712CrNi2(A)渗碳后240v

13、 18013812CrNi4(A)渗碳后40031024013918Cr2Ni4WA 渗碳后240v 20014020MnTiB渗碳后240v 18014130CrMnTi渗碳后240v 18014235CrMnTiv 180143ZG35144ZG45145ZG53400340280180146ZGMn13600-650.V300350-400500-550450147ZG40Mn148ZG40Cr说明1有*者表示回火脆性较大，通常不在 250-400C回火。2:回火温度依照硬度的要求的中值偏上而定。3: 120Cr4W2MoV材料55010回火系1030 10淬火作热冲模，中下限为冷冲模淬

14、火温度，仅低温度回火。870 10850 10850 10840 10830 10820 10870 10840 10840 10830 10820 10880 10850 10840 10830 10820 10900 10850 10830 10890 10860 10860 10860 10860 10860 10860 10840 10850 10850 10840 10860 10870 10860 10860 10900 10900 10860 10940 10840 10840 10850 10860 出0820 出0L温度淬火作热冲模1100-1150I840 10弹簧钢回86

15、0 10850 10850 10850 10860 10840 101050-1100830 10840 10830 10830 10【、丨nr 斗 nr 士甘曰公e n=n以1、丿，丄4尖耳方门？*960-1000800 10800 10780 10780 10770 10800 10830 10840 10880 10850 10860 10880 10830 10840 10850 101060-1090950-10401050-1130980-1050780-800水840出0水840-900840 10850 10丝轮淬火硬度44.5HRC830 0860 0850 0850 0850 0840 0840 0840 0840 0840 0830-860860-8908