常用钢淬火参数表

AC1AC3(Acm)Ms130870±10水≥45732813380水指含5--10%的NaCl 235（甲）850±10水≥45730802355水指含5--10%的NaCl 340（甲）850±10水-油，三硝＞50726790350水指含5--10%的NaCl 445（甲）840±10水-油，三硝＞50724780340水指含5--10%的NaCl 550（甲）830±10水-油，三硝＞50725760340水指含5--10%的NaCl 660820±10水-油，三硝＞55727766水指含5--10%的NaCl 730Mn 870±10水-油＞40734812340水指含5--10%的NaCl 840Mn 840±10水-油＞50726790水指含5--10%的NaCl 950Mn 810±10水-油＞50720760320水指含5--10%的NaCl 1030Mn2*840±10油＞45718804340水指含5--10%的NaCl 1140Mn2*830±10水，碱，油＞50713766340水指含5--10%的NaCl 1250Mn2*820±10油＞50710760水指含5--11%的NaCl 1335SiMn*880±10水-油＞50750830330水指含5--12%的NaCl 1442Mn2V 855±10油＞50725770310水指含5--13%的NaCl 1530Cr 850±10水-油＞40740815350水指含5--14%的NaCl 1640Cr 840±10油，碱，三硝＞50743782335水指含5--15%的NaCl 1745Cr 830±10油，碱，三硝＞50721771310水指含5--16%的NaCl 1850Cr 820±10油，碱，三硝＞50721771250水指含5--17%的NaCl 1940CrSi*900±10油＞50755850325水指含5--18%的NaCl 2030CrMn2*850±10油＞45733780293水指含5--19%的NaCl 2140CrMn*830±10油＞50730780350水指含5--20%的NaCl 2230CrMnSi 890±10油＞45760830355水指含5--21%的NaCl 2335CrMnSiA 860±10油＞50750830水指含5--22%的NaCl 2440CrV 860±10油＞50755790218水指含5--23%的NaCl 2545CrV860±10油＞50755790280水指含5--24%的NaCl备注常用钢淬火参数表临界点编号钢号加热温度℃冷却方式淬火后硬度HRC2650CrV860±10油,160℃硝盐＞50752788300水指含5--25%的NaCl 2730CrMo860±10水，油＞45757807345水指含5--26%的NaCl 2835CrMo860±10水，油＞50755800271水指含5--27%的NaCl 2942CrMo840±10油＞50730780360水指含5--28%的NaCl 3040CrMnMo850±10油＞50735780246水指含5--29%的NaCl 3140CrNi*850±10油，热碱＞50725780243水指含5--30%的NaCl 3237CrNi3A*840±10油＞50710770310水指含5--31%的NaCl 3340CrNiMoA860±10油＞50732774290水指含5--32%的NaCl 3435CrNiMoA870±10油＞50730810320-340水指含5--32%的NaCl 3535CrNi3MoA860±10油＞50720790290水指含5--32%的NaCl 3630Cr2MoV860±10油＞45781833水指含5--32%的NaCl 3735CrMoV900±10油＞45755835水指含5--32%的NaCl 3838CrSi*900±10油＞50763810330水指含5--32%的NaCl 3940Cr2MoV860±10油＞45水指含5--32%的NaCl 4038CrMoAlA940±10油＞50800940360水指含5--32%的NaCl 4140B840±10油或热水＞45730790水指含5--32%的NaCl 4245B820±10油或热水＞45725770水指含5--32%的NaCl 4350B840±10油＞45可作弹簧用4440MnB*840±10水-油＞45730780水指含5--32%的NaCl 4540MnVB840±10油＞45730774水指含5--32%的NaCl 4640CrB850±10油＞45741777水指含5--32%的NaCl 4740CrMnMoVBA860±10油＞45734792水指含5--32%的NaCl 4845CrNi*830±10油＞50715760300水指含5--32%的NaCl 4950CrNi*820±10油＞50735750水指含5--32%的NaCl 5065840±10油或水＞60727752280弹簧钢5170810±10油或水＞60730743弹簧钢5285800±10油或水＞60723737230弹簧钢5360Mn820±10油＞60727765270弹簧钢5465Mn820±10油＞60726765270弹簧钢5555Si2Mn820±10油＞55775840280弹簧钢5660Si2MnA860±10油＞60755810305即60Si25750CrMn850±10油＞60750775250水指含5--32%的NaCl 5850CrMnVA850±10油＞55750787275水指含5--32%的NaCl 5950Si2CrV850±10油＞50水指含5--32%的NaCl 6055Si2B860±10油＞55水指含5--32%的NaCl 6165Sr2WA840±10油＞50耐热弹簧钢6230W4Cr2VA1050-1100油＞50耐热弹簧钢63GCr6810±10油＞60725-750880192轴承钢64GCr9830±10油,150℃硝盐＞60730887210轴承钢65GCr15840±10油,150℃硝盐＞60745900240轴承钢66GCr9SiMn830±10油,150℃硝盐＞60738775轴承钢67GCr15SiMn830±10油,160℃硝盐＞60770872200轴承钢68CrMnSi830±10油＞60工模具钢69CrWV960-1000油＞62815180-190工模具钢70T7(A)800±10水-油＞60730770工模具钢71T8(A)800±10水-油＞60730240工模具钢72T10(A)780±10水-油＞60730800170工模具钢73T12(A)780±10水-油＞60730820200工模具钢749Mn2770±10水＞60工模具钢759Mn2V800±10油＞60740760220工模具钢76SiMn830±10水，油160℃硝盐＞60760865240工模具钢77Cr2840±10油＞60745900240工模具钢789Cr2Mo(W)880±10油＞60轧辊，锉板材料，调质后工频淬火799CrSi850±10油＞60770870155即CrSi806CrSi860±10油＞55770835水指含5--32%的NaCl 814CrSi880±10油＞55770860水指含5--32%的NaCl82Cr830±10油＞60750-760900-920200-205水指含5--32%的NaCl 83SiCr840±10油＞60水指含5--32%的NaCl 84CrMn850±10油,160℃硝盐＞60740980240水指含5--32%的NaCl 85CrWMn850±10油,160℃硝盐＞60750940255水指含5--32%的NaCl 86Cr12940-1050油,160℃硝盐＞60800120070-2101000℃以下用于冷冲模87Cr12V1060-1090油,160℃硝盐＞60810180水指含5--32%的NaCl 88Cr12MoV950-1040油,160℃硝盐＞588101200185冷冲模用89Cr12MoV1050-1130油,160℃硝盐＞458101200经540±10回火HRC＞60 90Cr12Mo980-1050油,160℃硝盐＞608101200230水指含5--32%的NaCl 91Cr12Mo1100-1150油,160℃硝盐＞45经525±10二次回火HRC＞60 92W780-800水＞60740820水指含5--32%的NaCl 93W830±10油＞60水指含5--32%的NaCl 94W2810±10水＞60765水指含5--32%的NaCl 95W2850±10油＞60水指含5--32%的NaCl 96CrW5810±10水＞607601160水指含5--32%的NaCl 97CrW5850±10油，热碱＞60水指含5--32%的NaCl 989CrWMn830±10油＞60750-760950-970250水指含5--32%的NaCl 996SiMnV840±10油，热碱＞55743768水指含5--32%的NaCl 1005SiMnMoV840-900油＞55764788中型模用上限1015SiMnMoV840-900水＞60中型模用上限1025CrMnMo840±10油＞50740770225中型模用上限1035CrNiMo850±10油＞50710770230中型模用上限1045CrNiSi840±10油＞55760790中型模用上限1055CrNiW840±10油＞50730780220中型模用上限1065CrNiTi840±10油＞50730780230中型模用上限1075CrWMn830-860油＞55730780中型模用上限1085CrW2Si860-890油＞55755820270-295中型模用上限1096CrW2Si850-880油＞55755810270中型模用上限1104CrW2Si860-900油＞55780840315中型模用上限1113Cr2W81050-1120160℃硝盐油＞458501100300-320水指含5--32%的NaCl 1123Cr2W8V1050-1120160℃硝盐油＞45820-8301100340-370540-570℃回火HRC46-49 1137Cr3850±10油，热硝碱液＞60770950185-240水指含5--32%的NaCl 1148Cr3850±10油，热硝碱液＞60765水指含5--32%的NaCl 1153W4Cr2V1050-1100水＞55水指含5--32%的NaCl 116120Cr4W2MoV980-1050空冷，穿风冷300℃分级＞55795上限作热冲模淬火117W18Cr4V1260-1300空，油，分级等温＞628201330225水指含5--32%的NaCl 118W9Cr4V21220-1260空，油，分级等温＞62800-810200水指含5--32%的NaCl 119W12Cr4V41220-1240空，油，分级等温＞62水指含5--32%的NaCl 120W12Cr4V4Mo1220-1260空，油，分级等温＞62水指含5--32%的NaCl 121W6Mo5Cr4V21220-1240空，油，分级等温＞62水指含5--32%的NaCl 122W6Mo5Cr4V31215-1225空，油，分级等温＞62新钢种123W9Cr4V2Co101220-1260空，油，分级等温＞62即P9K10￠124W10Cr4V5Co51220-1260空，油，分级等温＞62170即P10K5￠5 1251Cr13980-1050油，空冷＞55730850350不锈钢，耐热钢1262Cr13980-1050油，空冷＞55820950不锈钢，耐热钢1273Cr13980-1050油，空冷＞55820240不锈钢，耐热钢1284Cr131040-1070油，空冷＞558201100270不锈钢，耐热钢1299Cr181000-1050油，分级＞55830不锈钢，耐热钢130Cr181220-1240油＞559001250不锈钢，耐热钢1314Cr9Si2退火950±10炉冷即Cr9Si21324Cr9Si2950-1070油＞55900970水指含5--32%的NaCl 1334Cr10Si2Mo退火900±10炉冷水指含5--32%的NaCl 1344Cr10Si2Mo1100-1150油,空冷＞55850950水指含5--32%的NaCl 135Cr17Ni2950-1040油＞40810357水指含5--32%的NaCl 13615Cr/20Cr渗碳后790±10水-油＞60735-735854-863水指含5--32%的NaCl 13715Cr/20Cr渗碳后830±10油＞60735-766838-870水指含5--32%的NaCl13818CrMnTi 渗碳后860±10油＞60740825150水指含5--32%的NaCl 850±10油＞60710830水指含5--32%的NaCl 790±10油＞60水指含5--32%的NaCl 14012CrNi2(A)渗碳后730±10油，硝盐＞60732794二次淬火 温度14112Cr2Ni4(A)渗碳后780±10油，硝盐＞60720780二次淬火 温度14218Cr2Ni4WA 渗碳后850±10空，油＞60700810水指含5--32%的NaCl 14320MnTiB 渗碳后850±10油＞60720843水指含5--32%的NaCl 14430CrMnTi 850±10油＞55765790水指含5--32%的NaCl 1450CrMnTi 850±10油＞50765820水指含5--32%的NaCl 146ZG35860±10水＞45淬火前应先正火147ZG45840±10水＞50即JI45148ZG53810±10水＞50720750即JI53正火退火同温149ZGMn13920-1100水HB<200近200即JI13150Mn 850-860油430±10,HB>163水指含5--32%的NaCl 151Cr850±10油525-680回火HB229-321水指含5--32%的NaCl22CrMnMo 渗碳后139说明1：临界点的范围因奥氏体温度不同或实验的不同而有差异，故只能作近似值。