各種材料熱處理硬度

常用金屬材料熱處理硬度常用金屬材料熱處理規(guī)范II臨界點I熱處理規(guī)范I硬度ITOC\o"1-5"\h\zI鋼號II111II|（°C）I工序名稱I加熱溫度（°c）|冷卻方式IhbhrcI1I—1IAc1735—1—1正火11880-9301空111冷|HB<156|I20IAc38551滲碳1920-950IIIIIAr3835I滲碳淬火|860-880|水或油冷IHRO56|I1IAr1680—11高溫回火1―1650-68011空冷|芯部HB150|11111IIAc1724—11正火1850-890I空111冷|HB<185||35|Ac38021退火1840-8901爐冷11IIAr37741高溫回火1650-680I空冷11IIAr16801淬火1850-8901水冷|HRC>47|I||回火|500-5401111|空冷|HB241-286|1111I—111IAc1724|退火|820-8401爐111冷|HB<207||45IAc3780|正火|830-8701空冷|HB<229|IIAr3751|高溫回火|650-6801空冷11IIAr1682|淬火|820-8601水冷IHRC50-60|I1||回火|520-560—111|空冷|HB228-286|111IIAcl735I正火I900-930I空冷IHB<179ITOC\o"1-5"\h\zIIAc3854I高溫回火I659-680I空冷III20MnIAr3835IIIIIIIArl682IIIIIIIAC1734I退火I830-880I爐冷III35MnIAC3812I正火I850-880I空冷IHB<187IIIAr3796I高溫回火I650-680I空冷IIIIArl675I淬火I850-880I水或油冷IHRC50-55IIII回火I400-500I空冷IHB302-332III臨界點I熱處理規(guī)范|硬度II鋼號II111III（c）I工序名稱I加熱溫度（c）|冷卻方式IhbhrcIIIAcl726I退火I820-850I爐冷IHB<217II45MnIAc3790I正火I830-860I空冷IIIIAr3768I高溫回火I650-680I空冷IIIIAri689|淬火|810-840|水或油冷|HRC54-60|TOC\o"1-5"\h\zI|I回火I根據(jù)需要回火I水或空冷II常用金屬材料熱處理規(guī)范II臨界點I熱處理規(guī)范|硬度|I鋼號II111II|(°C)|工序名稱|加熱溫度(°C)|冷卻方式|HBHRC|I11111||Ac1725|退火|840-870|爐冷|HB<187|I20Mn2|Ac3844|正火|870-900|空冷|||||高溫回火|650-680|空冷||卜++++4T|35SiMn|Ac1750|退火|850-870|爐冷|HB<229|||Ac3830|正火|880-920|空冷||||Ar3---|高溫回火|650-680|空冷||||Ar1645|淬火|880-900|油冷IHRC>||1—||1回火|580-60011|油冷|HB235-277|11TOC\o"1-5"\h\z|42Mn2V|Ac1725|正火|860-900|空冷||||Ac3770|高溫回火|640-680|空冷|HB<217||||淬火|850-870|水冷|HRC56-58||||回火|530-670|空冷|HB362-375|||Ac1765|退火|850-870|爐冷|HB<187||30CrMn|Ac3838|正火|870-890|空冷||||Ar3798|高溫回火|650-680|空冷||||Ari700|淬火|850-880|油或水冷IHRC-45||||回火|560-580|空冷|HB223-269|||AC1760|退火|840-860|爐冷550C后空冷||30CrMn|AC3830|正火|860-880|空冷|HB<217||Si|Ar3705|高溫回火|630-710|空冷|||(35)|Ar1670|淬火|860-900|油冷|||||回火|590-610|油或水冷|HB269-302|IIII臨界點I熱處理規(guī)范I硬度II鋼號II111II|（°C）I工序名稱I加熱溫度（°c）|冷卻方式IhbhrcII11111IIAcl740I正火I950-970I空冷IHB156-207II20CrMnIAc3825I滲碳淬火I930-950/850I油冷IHRC58-63ITiIAr3730IIIAr1650TiIAr3730IIIAr1650IIIIHRC30-45ITOC\o"1-5"\h\zIII]II臨界點I熱處理規(guī)范I硬度II鋼號II111III（c）I工序名稱I加熱溫度（c）|冷卻方式IhbhrcII11111IIAcl766I退火I860-890I爐冷IHB<179II20CrIAc3838I正火I870-900I空冷IIIIAr3799I滲碳淬火I920-950/850I水或油冷IHRC58-63IIIArl702I高溫回火I650-680I空冷I芯部HB<300I11111IIAcl743I退火I825-845I爐冷IHB<207II40CrIAc3782I正火I850-880I空冷IHB156-207IIIAr3730I高溫回火I650-680I空冷IIIIArl693I淬火I830-860I油冷IHRC52-60IIII回火I540-580I油或水冷IHB269-302II11111IIAcl735I退火I840-850I爐冷IHB<241II40CrMnIAc3780I正火I850-880I空冷IHB<321ITOC\o"1-5"\h\zIMoIAr3-I高溫回火I660-680I空冷IHB<241IIIArl680I淬火I840-860I油冷IIIII回火I670-690I水冷IHB241-286IIII正火回火I680-700I空冷IHB179-241IIIAcl755I正火I860-880I空冷IHB241-286II35CrMoIAc3800I淬火I850-880I水或油冷IIIIAr3750I回火I570-590I空冷IHB235-277IIIArl695IIIIIIIAC1800I退火I840-870I爐冷IHB<229II38CrMoIAC3940I正火I930-970I空冷IIIAlIAr3-I高溫回火I700-720I空冷IIIIArl730I淬火I930-950I油或水冷III鋼號II111II|（°C）I工序名稱I加熱溫度（°c）|冷卻方式IhbhrcIII1回火1650-670|水或油冷IHB24l-277|II1氮化1550-650||HV>850|IIIIIIIIIIIIII111111TOC\o"1-5"\h\zII臨界點I熱處理規(guī)范I硬度II鋼號II111III（c）I工序名稱I加熱溫度（c）|冷卻方式IhbhrcIIIAcl727I退火I810-860I爐冷IHB<220II65IAc3752I正火I820-860I空冷IIIIAr3730I高溫回火I650-680I空冷IIIIArl696I淬火I780-830I水或油冷IIIII回火I550-650I空冷IHB207-241IIIAcl726I退火I780-840I爐冷IHB<229II65MnIAc3765I正火I820-860I空冷IHB<269IIIAr3741I高溫回火I650-680I空冷IIIIArl689I淬火I780-800I油冷IHRC52-60IIII回火I500-540I油或水冷IHB415-444II11111——IIAcl755I退火I740-760I爐冷IHB<222II60Si2IAc38l0I正火I830-860I空冷IHB<302IIMnIAr3770I高溫回火I640-680I空冷IIIIArl700I淬火I840-870I油或水冷IIIII回火I400-450I空冷IHB387-477IIIAcl745I退火I790-8l0I爐冷IIIGCrl5IAc3900I球化退火I780-790I爐冷IIIIAr3-II（等溫7l0-720）|空冷|HB207-229II|Arl700|正火|900-950|空或風冷|HB|I||高溫回火I650-700|空冷|HB229-285|III淬火I825-850|油冷||I||回火|l50-l70|空冷|HRC6l-65|I|ACl730|退火|750-770|爐冷III鋼號II111II|（°C）I工序名稱I加熱溫度（°c）|冷卻方式IhbhrcII11111IT7IAC3770I等溫退火I780-790I爐冷IIIT8IAr3-II（等溫710-720）I空冷IHB229-285IIIAri700I正火I790-820I空冷IHB228-241III|高溫回火I650-700|空冷I|III淬火I800-830|水或油冷||I||回火|149-160|空冷|HRC60-61|II臨界點I熱處理規(guī)范|硬度II鋼號II111II|（C）|工序名稱|加熱溫度（C）|冷卻方式|HBHRC|I11111I|Aci730|退火|750-780|爐冷II|T10|Ac3752|等溫退火|620-680|爐或空冷IHB<197|I|Ar3730|高溫回火|650-680|空冷||I|Ar1696|淬火|770-810|水或油冷III||回火|140-160|空冷|HRC58-62|I||正火|800-850|空冷||I|Ac1800|退火|850-870|爐冷IIICr12|Ac3|等溫退火|720-750|爐或空冷IHB228-255|I|Ar3|淬火|1000-1050|油冷III|Ar1760|回火|400-450|空冷|HRC60-63|1|1—|Ac11|退11火|850-870|爐—111冷|||W18Cr4|Ac3|等溫退火|850-870|爐冷|||V|Ar3||（等溫720-750）|爐或空冷|HB207-255|||Ar1|淬火|1.預熱800-850|||||||加熱1260-1300|油冷||||||2.預熱550-650|||||||800-850|||||||加熱1260-1300|油冷|||1|1|回1火|550-570回3次|空11冷|HRC63-65|—111I|Ac1|退火|870-890|爐冷至600C空冷HB155||2Cr13|Ac3|淬火|1000-1050|油或空冷|-180|||Ar3-|回火|150-510|空或油冷|HRC35-45|I