不锈钢GBT1220-1992

1、不锈钢(GB/T1220-1992)(1)牌号和化学成分见表1。表1不锈钢的牌号和化学成分牌号化学成分(质量分数)(为CSiMn-NiCrM0其他奥氏体型1Cr17Mn6-Ni5N<0.15<15.507.5<O.060<0.033.505.5016.0018-NC0.251Cr18Mn8-Ni5N<O.15<17.5010.00<0.06<0.0304.00617.0019-NC0.251Cr18Mn10-Ni5Mo3N<0.1<18.512<0.06<0.0304.00617.00192.83.5N0.20O.301C

2、r17Ni7<0.15<1<2<0.035<O.0306.00816.0018-1Cr18Ni9<O.15<1<2.00<O.035<O.0308.001017.0019-Y1Cr18Ni9<0.15<1<2.00<0.2>O.158.001O.0017.0019-Y1Cr18Ni9Se<O.15<1<2<0.2>O.0608.001O.0017.0019-Se)O.15OCr18Ni9<0.07<1<2<0.035<0.038.001117.0

3、019-00Cr19Ni1O<O.03<1<2<0.035<O.0308.001218.0020-OCr19Ni9N<0.08<1<2<0.035<O.0307.001O.5018.0020-N0.100.25OCr19Ni10-NbN<O.08<1<2<O.01<O.037.5018.0020NbcO.1N0.15O.30501O.50500Cr18Ni10N<O.030<1<2<0.035<O.0308.511.517.0019-No.120.221Cr18Ni12<

4、;O.12<1<2<0.035<O.03010.501317.0019-OCr23NNi13<0.08<1<2<O.035<0.0312.001522.0024-OCr25Ni20<O.08<1<2<O.035<0.0319.002224.0026-OCr17Ni-12M02<0.08<1<2<O.035<O.03010.001416.0018.52.003-1Cr18Ni12-M02TD<0.12<1<2<O.035<O.03011.001416.0

5、0191.802.5Ti5X(C%0.02)O.80OCr18Ni12-M02Ti<O.08<1<2<O.035<0.0311.001416.00191.802.50Ti5xC%O.7000Cr17Ni-14M02<0.03<1<2<0.035<0.0312.0015.0016.00182.003-OCr17Ni12-M02N<O.08<1<2<O.035<0.031O.001416.00182.003NO.10O.2200Cr17Ni13-Mo2N<O.030<1<2<0.035

6、<O.03010.5014.516.0018.52.003N0.12O.22OCr18Ni12-M02Cu2<O.08<1<2<O.035<O.03010.0014.517.00191.202.75Cu1.002.5000Cr18Ni14-M02Cu2<O.030<1<2<0.035<O.03012.001617.00191.202.75Cu1.002.500Cr19Ni13M03<O.08<1<2<O.035<O.03011.001518.00203.004-00Cr19-Ni13M03<0

7、.03<1<2<O.035<0.0311.001518.00203.004-1Cr18Ni12-M03Ti<0.12<1<2<O.035<O.03011.001416.00192.503.5Ti5X(C%-O.02)O.080Cr18Ni-12M03Ti<0.08<1<2<O.035<0.0311.001416.00192.503.5Ti5XC%O.70OCr18Ni-16M05<O.040<1<2<0.035<0.0315.001716.00194.006-1Cr18Ni9Ti&

8、lt;0.12<1<2<O.035<O.0308.001117.0019-Ti5X(C%-O.02)O.80OCr18-Ni1OTi<0.08<1<2<0.035<O.0309.001217.0019.00-Ti>5XC%OCr18Ni11Nb<O.08<1<2<0.035<0.039.001.317.0019-Nb>10XC%OCr18Ni9Cu3<O.08<1<2<O.035<O.0308.5010.517.0019-Cu3.004.000Cr18Ni13Si4&l

9、t;O.083.005<2<O.035<0.0311.501515.0020-奥氏体-铁素体型0Cr26Ni5Mo2<0.08<1<1.5<0.035<O.0303.00623.00281.0031Cr18Ni11-Si4A1TiO.100.183.44<0.08<O.035<0.0310.001217.5019.5-A10.100.30TiO.400.7000Cr18Ni5-M03Si2<O.0301.3021.002<O.035<0.034.505.518.oo19.52.503-铁素体型OCr13A1&l

10、t;O.08<1.o<1<O.03<0.0311.50-A10.10O.30o514.500Cr12<0.030<1<1<0.035<0.03011.0013-1Cr17<0.12<0.75<1<0.035<0.03016.0018-Y1Cr17<0.12<0.1<1.25<0.06>0.1516.0018-1Cr17M0<0.12<0.10<1<0.035<0.03016.00180.751.25-00Cr30M02D<0.010<0.4

11、0<0.40<0.030<0.020-28.50321.502.5NK0.01500Cr27M啦<0.010<0.40<0.4<0.030<0.02-25.0027.50.751.5NK0.015马氏体型1Cr12<0.15<0.5<1<0.035<0.03011.5013-1Cr13<0.15<1<1<0.035<0.03013.511.50-0Cr13<0.08<1<1<0.035<0.03013.511.50-Y1Cr13<0.15<1&l

12、t;1.25<0.060>0.1512.0014.00-1Cr13M00.080.18<0.6<1<0.035<0.0311.50140.300.6-2Cr130.160.25<1<1<0.035<0.03012.0014-3Cr130.260.35<1<1<0.035<0.03012.0014-Y3Cr13O.260.40<1<1.25<O.060>0.1512.0014-3Cr13M0O.280.35<0.8<1<0.035<O.03012.0014O.501

13、-4Cr130.360.45<O.60<0.8<O.035<0.0312.0014-1Cr17N20.110.17<O.80<O.80<0.035<O.0301.502.516.0018-7Cr17O.600.75<1<1<0.035<O.03016.0018-8Cr170.750.95<1<1<O.035<O.03016.0018-9Cr180.91<O.80<0.8<O.035<0.0317.0019-11Cr17O.951.2<1<1<O.035<

14、;0.0316.0018-Y11Cr17O.951.2<1<1.25<0.06>O.1516.0018-9Cr18MoO.951.1<0.8<O.80<O.035<0.0316.00180.400.7-9Cr18MoVO.850.95<O.80<0.8<O.035<O.03017.00191.001.3V0.07O.012沉淀硬化型OCr17N.4-Cu4Nb<O.07<1<1<0.035<O.0303.00515.5017.5Cu3.005.00Nb0.15O.45Ocr17Ni7A1<

15、;0.09<I.00<1<O.035<0.036.507.7516.0018Cu<O.50A10.751.500Cr15Ni7-M02A1<0.09<1<1<O.03<O.036.5014.00162.003A10.751.50507.5可加入不大于0.60%电目。必要时，可添加上表以外的合金元素。允许含有不大于0.60%馍。可以加入不大于0.75%铝。00Cr30M02和00Cr27M0允许有不大于0.50%馍，不大于0.20%铜，但馍+铜不大于0.50%,必要时，可添加表列以外的合金元素。除专用外，一般不推荐使用。(2)力学性能见

16、表2表5。表2经固溶处理的奥氏体和奥氏体、铁素体钢的力学性能牌号固溶处理/C拉伸试验硬度试验a0.26b65(%)>中(%)>布氏硬度HBSS洛氏硬度HRB：维氏硬度H收-MP今奥氏体型1Cr17Mn6Ni5N10101120快冷27552040452411002531Cr18Mn8Ni5N10101120快冷2755204045207952181Cr18Mn10Ni5M03N11001150快冷3456804565-1Cr17Ni710101150快冷2055204060187902001Cr18Ni910101150快冷205520406018790200Y1Cr18Ni91O

17、®1150快冷205520405018790200Y1Cr18Ni9Se10101150快冷205520405018790200OCr18Ni910101150快冷20552040601879020000Cr19Ni1010101150快冷1774804060187902000Cr19Ni9N10101150快冷2755503550217952200Cr19Ni10NbN10101150快冷345685355025010026000Cr18Ni10N10101150快冷2455504050217952201Cr18Ni121O®1150快79020

18、00Cr23Ni131O®1150快冷2055204060187902000Cr25Ni2010101180快冷2055204050187902000Cr17Ni12Mo210101150快冷2055204060187902001Cr18Ni12M02Ti101O1100快冷205530405518790200OCr18Ni2M02Ti10101100快冷20553040551879020000Cr17Ni14M02101O1150快冷177480406018790200OCr17Ni12M02N101O-1150快冷27555035502179522000Cr17Ni13M02N1

19、O181150快冷245550405021795220OCr18Ni12M02Cu21O1O-1150快冷20552040601879020000Cr18Ni14M02Cu2101O-1150快冷1774004060187902000Cr19Ni13M0310101150快冷20552040601879020000Cr19Ni13Mo310101150快冷1774804060187902001Cr18Ni12M03Ti10001100快冷205530405518790200OCr18Ni12M03Ti10001100快冷205530405518790200OCr18Ni16M05j030118

20、0快冷1774804045187902001Cr18Ni9Ti9201150快冷205520405018790200OCr18Ni1OTi9201150快冷205520405018790200OCr18Ni11Nb9801150快冷2065204050187902000Cr18Ni9Cu31O®1150快冷177480406018790200OCr18Ni12Si41O1O-1150快冷205520406020795218奥氏体一铁素体型0Cr26Ni5M029501100快冷3905901840277292921Cr18Ni11Si4A1Ti93010504407152540-快冷

21、00Cr18Ni5M03Si292°11503905902040-30300快冷注：1.对于OCr18Ni10Ti>OCr18Ni11Nb>1Cr18Ni9Ti、0Cr18Ni12M02T1、OCr18Ni-12M03Ti和1Cr18Ni12M03Ti根据需方要求可进行稳定化处理，此时的热处理温度为850930C,但必须在合同中注明。2. 1Cr18Ni9Ti与Ocr18Ni10Ti、1Cr18Nili12M02Ti与0Cr18Ni12M02Ti、1Cr18Ni-12M03Ti与OCr18Ni12M03Ti牌号，力学性能指标一致，需方可根据耐腐蚀性能的差别来选用。3. 1

22、Cr18Ni11Si4Am的冲击试验札值不小于63J。表3经退火的铁素体钢的力学性能牌号退火处理/C拉伸试验冲击试验硬度试验a0.2ab65(%)中（为奥Ak/J>布氏硬度HBSSMP今0Cr13A1780830空冷或缓冷17741020607818300Cr12700820空冷或缓冷1962652260-1831Cr17780850空冷或缓冷2054502250-183Y1Cr17680820空冷或缓冷2054502250-1831Cr17Mo780850空冷或缓冷2054502260-18300Cr30Mo29001050快冷2954502045-22800Cr27Mo9001050

23、快冷2454102045-219表4经退火或淬火回火的马氏体钢的力学性能牌号热处理/C退火后的布氏硬度HBSS经淬回火的力学性能拉伸试验冲击试验Ak/J>布氏硬度HB导退火淬火回火a0.26b65(%>中（%>MP今1Cr12800900缓冷或约750快冷9501000油冷700750快冷20039055025551181701Cr13800900缓冷或约750快冷9501000油冷700750快冷200345540255578159OCr13800900缓冷或约750快冷9501000油冷700750冷1833454902460-YICr13800900缓冷或约750快冷9

24、501000油冷700750快冷2003455402555781591Cr13Mo830900缓冷或约750快冷9701020油冷650750快冷2004906852060781922Cr13800900缓冷或约750快冷920980油冷600750快冷2234406352050631923Cr13800900缓冷或约750快冷920980油冷600750快冷235540735124024217Y3Cr13800900缓冷或约750快冷920980油冷600750快冷2355407351240242173Cr13Mo800900缓冷或约750快冷10251075油冷200300油、水、空冷20

25、7-HRC504Cr13800900缓冷或约750快冷10501100油冷200300空冷201-HRC501Cr17Ni2680700高温回火空冷9501050空冷275350空冷285-108010-39-7Cr17880920缓冷10101070油冷100180空冷255-HRC548Cr17880920缓冷10101070油冷100180快冷255-HRC569Cr18800920缓冷10001050油冷200300油、空冷255-HRC5511Cr17800920缓冷10101070油冷100180快冷269-HRC58Y11Cr17800920缓冷10101070油冷100180快

26、冷269-HRC589Cr18Mo800900缓冷10001050油冷200300空冷269-HRC559Cr18MoV800920缓冷10501075油冷100200空冷269-HRC55表5经热处理的沉淀硬化型钢的力学性能牌号热处理/C拉伸试验硬度试验种类条件a0.2abS5(%>里（%>布氏硬度HBS洛氏硬度HRCMPa0Cr17Ni4-Cu4Nb固溶10201060快冷-<363<38480时效经固溶处理后/470490空冷>180>13101040>375>40550时效经固溶处理后/540560空冷>000>1060124

27、5>331>35580时效经固溶处理后/570590空冷>865>10001345>302>31520时效经固溶处理后/610630空冷>725>9301650>277>280Cr17Ni7A1固溶10001100快冷<380<103020-<229-565时效<960>1140525>363-565时效<1030>123041O>388-OCr15Ni7M02A1固溶10001100快冷-<269-565时效>1100>1210725>375-510时效&

28、gt;1210>1320620>388-经固溶处理后，1二（760土15C）保持90min,在1h内冷却到1C以上，保持30min再加热到（565土10）C,保持90min空冷。经固溶处理后，（955土10）C保持10min,空冷到室温，在24h内冷却到（-73±60）C,保持8h,再加热到（510±10）C保持60min后空冷。（3）用途见表6。表6不锈钢的特性和应用类型序号牌号特性和应用奥氏体型11Cr17Mn6Ni5N节银钢种/代替牌号1Cr17Ni7/冷加工后具有磁性。铁道车辆用21Cr18Mn3NiSN节银钢种/代替牌号1Cr18Ni931Cr18Mn

29、10Ni5M03N对尿素有良女？的耐蚀性/可制造尿素腐蚀的设备41Cr17Ni7经冷加工有高的强度/铁道车辆/传送带螺栓螺母用51Cr18Ni9经冷加工有高的强度/但伸长率比1Cr17Ni7稍差。建筑用装饰部件6Y1Cr18Ni9提高切削性/耐烧蚀性/最适用于自动车床。螺栓螺母7Y1Cr18Ni9Se提高切削性/耐烧蚀性。最适用于自动车床。钟钉、螺钉80Cr18Ni9作为不锈耐热钢使用最广泛/如食品用设备/一般化工设备/原子能工业用设备900Cr19Ni10比0Cr19Ni9碳含量更低的钢/耐晶问腐蚀性优越/为焊接后不进行热处理部件类1O0Cr19Ni9N在牌号0Cr19Ni9上加N/强度提高

30、/塑性不降低。使材料的厚度减少。作为结构用高强度部件110Cr19Ni10NbN在牌号0Cr19Ni9上加N和Nb具有与0Cr19Ni9相同的特性和用途1200Cr18Ni10N在牌号00Cr19Ni10上添加N/具有以上牌号同样特性/用途与0Cr19Ni9N相同/但耐晶间腐蚀性更好131Cr18Ni12与0Cr19Ni9相比/加工硬化性低。旋压加工/特殊拉拔/冷常用140Cr23Ni13耐腐蚀性/耐热性均比0Cr19Ni9好150Cr25Ni20抗氧化性比0Cr23Ni13好/实际上多作为耐热钢使用160Cr17Ni12M02在海水和其他各种介质中/耐腐蚀性比0Cr19Ni9好/主要作耐点蚀

31、材料奥氏体型171Cr18Ni12M02Ti用于抵抗硫酸、磷酸、蚁酸、醋酸的设备/有良好耐晶间腐蚀性180Cr18Ni12M02Ti用于抵抗硫酸、磷酸、蚁酸、醋酸的设备/有良好耐晶间腐蚀性1900Cr17Ni14M02为0Cr17Ni12M02的超低碳钢/比0Cr17Ni12M02耐晶问腐蚀性好200Cr17Ni12M02N在牌号0Cr17Ni12Mo2中加入N/提高强度/不降低塑性/使材料的厚度减薄。作耐腐蚀性较好的强度较高的部件2100Cr17Ni13M02N在牌号00Cr17Ni14M02中加入N/具有以上牌号同样特性/用途与0Cr17Ni12M02N相司/但耐晶间腐蚀性更好。220Cr

32、18Ni12M02Cu2耐腐蚀性、耐点腐蚀性比0Cr17Ni12M02好/用于耐硫酸材料2300Cr18Ni14M02Cu2为0Cr18Ni12M02Cu2的超低碳钢/比0Cr18Ni12M02Cu2的耐晶间腐蚀性好240Cr19Ni13M03耐点腐蚀性比0Cr17Ni12M02好/作染色设备材料等奥氏体型2500Cr19Ni13M03为0Cr19Ni13M03的超低碳钢/比0Cr19Ni13M03耐晶间腐蚀性好261Cr18Ni12M03Ti用于抵抗硫酸、磷酸、蚁酸、醋酸的设备/有良好耐晶间腐蚀性270Cr18Ni12M03Ti用于抵抗硫酸、磷酸、蚁酸、醋酸的设备/有良好耐晶间腐蚀性280C

33、r18Ni16M05吸取含氯离子溶液的热交换器/醋酸设备/磷酸设备/漂白装置等/在00Cr17Ni14M02和O0Cr19Ni13M03不能适用的环境中使用291Cr18Ni9Ti作焊芯、抗磁仪表、医疗器械、耐酸容器及设备衬里输送管道等设备和零件300Cr18Ni10Ti添加Ti提高耐晶问腐蚀性/不推荐作装饰部件310Cr18Ni11Nb含Nb提高耐晶间腐蚀性320Cr18Ni9Cu3在牌号0Cr19Ni9中加入Cu/提高冷加工性的钢种。冷锻用330Cr18Ni13Si4在牌号0Cr19Ni9中增加Ni。添加Si/增加耐应力腐蚀断裂性。用于含氯离子环境奥氏体铁素体型340Cr26Ni5M02具有双相组织/抗氧化性/耐点腐蚀性好。具有高的强度/作耐海水腐蚀用等351Cr18Ni11Si4A1Ti制作抗高温浓硝酸介质的零件和设备3600Cr18Ni5M03Si2具有铁素体.奥氏体型双相组织/耐应力腐蚀破裂性好/耐点蚀fiE能与00Cr17Ni13M02相