中厚板热处理工艺

1、中厚板热处理工艺序号钢种工艺炉型温度时间备注113MnNiMoNbR（BHW35）正火回火93010650-680保温1.5-2min/mm 保温3min/mm空冷 不超过3小时 240Gr回火退火6801070010保温3.5min/mm 保温18小时空冷h40mm，常化炉回火。炉冷至350出炉，h40mm,车底炉回火3P355Gr1（19Mn6）正火90010总加热时间2.0min/mm 保温时间1.5min/mm416MnR-Z25 16MnR-Z35 正火8901040h70总加热时间2.0min/mm 总加热时间2.5min/mm5SA516Gr70正火90010h50 h50总加热

2、时间2.0min/mm 总加热时间1.5min/mm620MnHR-BR正火90010h40 40h70 70h120总加热时间2.0min/mm 总加热时间1.8min/mm 保温时间1.5min/mm外机炉单独堆放，增加空冷效果7SA299正火外机炉 常化炉9001090010h70 h70 保温时间1.5min/mm 总加热时间2.0min/mm 820-Z25正火常化炉常化炉 外机炉91010h40 40h70 h70 总加热时间2.0min/mm 总加热时间2.5min/mm 保温时间1.5min/mm9410B正火89010保温时间1.5min/mm10490B正火89010保温时

3、间1.8min/mm1115Mo3正火常化炉 外机炉910109101091010h40 40h70 h70 总加热时间2.0min/mm 总加热时间1.8min/mm 保温时间1.5min/mm12SA572Gr50正火89010h50 h50总加热时间1.8min/mm 总加热时间1.5min/mm1330CrNiMo4.4N退火车底炉68010保温18小时炉冷至250出炉，热切14St44-3N正火89010h60 h60保温时间2min/mm 保温时间1.8min/mm1509MnNiDR正火常化炉外机炉h40 40h70 h70 保温时间2.5min/mm 保温时间2.0min/mm

4、 保温时间1.5min/mm16GS80回火50010保温5小时空冷，不准堆垛1710CrMo910正火回火9301073010保温时间2.5min/mm 保温3小时不少于2小时-1815MnVNR正火89010保温时间2.5min/mm 1930CrNiMo4.4N回火65010保温时间5小时2030CrMnSiA正火89010保温时间2.5min/mm 2116MnR（LA）正火89010h40总加热时间2.0min/mm 22RRSt37-3Cu3N正火90010h20 20h50 50h80 总加热时间2.0min/mm 总加热时间1.8min/mm 总加热时间1.5min/mm23Q

5、345D-Z35正火90010保温时间1.5min/mm 2416MnR（HIC）正火89010保温时间1.5min/mm 25TSTE355N-Z25正火89010保温时间1.5min/mm 2620HR-B正火90010总加热时间2.0min/mm2720CrMnMo回火退火6801070010保温4.5min/mm 保温14小时2816MnHR正火常化炉外机炉9001090010h40 40h80 h80 总加热时间2.0min/mm 总加热时间1.8min/mm 保温时间1.5min/mm29SA516Gr70-T正火常化炉外机炉9001090010h50 50h70 h70 总加热时

6、间2.0min/mm 总加热时间1.8min/mm 保温时间1.8min/mm3012CrMoVg回火74010保温3min/mm不少于2小时 3130CrMnSiA正火90010保温2.5min/mm32TSTE315N-Z25正火90010保温1.5min/mm331Cr-0.5Mo（15CrMoR）正火回火9301070010保温2.5min/mm 保温3min/mm 3415MnTi正火91010h16 16h35 35h50总加热时间2.0min/mm 总加热时间1.8min/mm 总加热时间1.5min/mm35Q345B-Z35正火89010总加热时间1.5min/mm36S35

7、5J2G3（S355K2G3）正火8901089010h80 h80总加热时间2.5min/mm 保温时间1.5min/mm37SA516Gr70正火91010h50 50h70 h70 总加热时间2.0min/mm 总加热时间1.5min/mm 保温时间1.5min/mm3840CrMo回火68010保温4min/mm空冷39SA299正火89010保温1.5min/mm40C22C35C45正火正火 正火890108701085010保温1.5min/mm 保温1.5min/mm 保温1.5min/mm 4110CrMoAl正火90010保温1.8min/mm42SA516Cr65正火90

8、010h80 h80总加热时间2.0min/mm 保温时间1.5min/mm4321CrMo10退火回火6501065010保温3.5min/mm 保温4.0min/mm 300出炉空冷44平台钢正火90010h40 h40保温1.8min/mm 保温1.5min/mm 45S275JR正火90010保温1.5min/mm46HII正火87010h50 h50保温1.5min/mm 试样正火 HII (P265GH)19Mn6(P355GH)47Q460T正火90010保温1.5min/mm4845Mn2正火回火8501070010保温2.0min/mm 保温4.0min/mm 空冷 空冷49

9、14MnNbq正火91010保温1.5min/mm空冷50Q420C-Z15正火91010总加热时间2.0min/mm 51Q460C正火90010保温2.0min/mm52St52-3-Z35正火89010h40 40h70 h70 总加热时间2.0min/mm 总加热时间1.8min/mm 保温时间1.5min/mm5313MnNiMo54正火回火9301065010保温1.5min/mm 保温3.0min/mm 5450Mn正火82010保温1.8min/mm5516MnDR正火90010保温1.8min/mm56CCS/410A-T正火89010保温1.5min/mm57SA387Cr

10、C12正火回火9301071010保温3.0min/mm 保温时间3.0小时 5814MnMoV正火93010保温1.8min/mm5920CrMo退火69010保温时间15小时 350出炉6014CrMoV正火93010保温1.8min/mm6113CrMo44正火93010保温1.8min/mm62SA38 1.25Cr-0.5MnCn正火正火9201092010保温2.4min/mm 保温3min/mm 总加热时间3.0min/mm总加热时间3.5min/mm 6325CrMo回火退火6901069010保温3min/mm+60min 保温时间20小时 250出炉64A572Gr60正火

11、90010h30 h30总加热时间2.0min/mm 总加热时间1.5min/mm 6516Mnq正火88010保温（1.5-1.8）min/mm66SM400ZL正火常化炉外机炉92010总加热时间2.0min/mm保温时间1.6min/mm6740-042正火常化炉外机炉89010保温2.0min/mm或+30min 6840-032正火常化炉外机炉88010保温1.8min/mm或+30min 69Q690/T正火常化炉外机炉90010保温1.5min/mm或+30min 7035CrMo回火常化炉外机炉690-700保温3.5min/mm 空冷 7120R（HS）正火常化炉外机炉900

12、10h50 h50保温2.5min/mm 保温2.0min/mm 72SA516Gr70-T正火常化炉外机炉90010h50 h50保温2.0min/mm 保温1.8min/mm 73TSTE355N/I25正火常化炉外机炉89010保温1.5min/mm7409MnNiDR正火常化炉外机炉90010保温2.5min/mm 保温2.0min/mm 7515Mo3正火常化炉外机炉91010保温2.0min/mm 保温1.8min/mm 7649073正火常化炉外机炉89010保温1.8min/mm77SA515Gr65正火常化炉外机炉91010h50 h50保温2.0min/mm 保温1.5mi

13、n/mm 78SAE/AISI1025正火常化炉外机炉88010保温1.5min/mm79St52-3-Z35正火常化炉外机炉89010h40 40h70 h70 保温2.0min/mm 保温1.8min/mm 保温1.5min/mm80SPV490正火 回火常化炉外机炉9101064010保温2.0min/mm 保温3.0min/mm 8112Cr2Mo1正火 回火常化炉外机炉9301073010保温t2.5min/mm 保温3.0min/mm 82TST315N-Z25回火 外机炉5805保温170min300开始升温 ，升温速度70-80/h83B61N-S正火920102（保）风冷回火

14、680103（保）风冷8414Gr1MoR正火930103（总）板厚25mm，雾冷回火700104（总）空冷8510GrMo910正火930102.5（总）1h回火740-7504-5h（总）8612Gr2Mo1R正火930102.5（总）1h回火740-7503h（总）空冷8715GrMoR(H)正火930102.5（总）1h回火690104（总）1.5h88SA387Gr22CL2正火930102.5（总）或2（保）1h雾冷或风冷回火730-7403h（总）或3-4h（保）空冷8913MnNiMoNbR正火930103（总）或2.5（保）1h回火650104（总）或3.5（保）1.5h90

15、18MnMoNbR正火930103（总）或2.5（保）1h回火650104（总）或3.5（保）1.5h91SA302GrC正火910102（总）或1.5（保）回火640103.5（总）或3（保）92SA387Cr11Cl2正火930103（总）回火720103h（保）9342CrMo4正火850101.5（保）回火680103（保）9420MnSi正火880101.8（保）风冷9515MnNiDR正火890102（总）雾冷96SM400ZL正火910101.5（总）97Q370qD（Z35）正火910101.5（总）雾冷9816MnR、16MnDR（Z35）正火900101.8（总）或1.5（保）4099FE540B正火900101.6-1.8（总）10015MnVNR正火890102.5（总）或2（保）1h101ST44-3N正火890101.5（保）102D40正火900101.5（总）或1.5（保）雾冷或风冷10314MnNbq正火910101.5（总）雾冷104ST60-2正火860101.5（总）105P460NH/NL1正火920101.6（保）