经热处理的沉淀硬化型钢的力学性能

1、(1)牌号和化学成分见表60。表60不锈钢的牌号和化学成分牌号化学成分(质量分数)(%)CSiMnPSNiCrMo其他奥氏体型1Cr17Mn6-Ni5N0.151.005.507.500.0600.0303.505.5016.0018.00N0.251Cr18Mn8-Ni5N0.151.007.5010.000.0600.0304.006.0017.0019.00N0.251Cr18Mn10-Ni5Mo3N0.101.008.512.000.0600.0304.006.0017.0019.002.83.5N0.200.301Cr17Ni70.151.002.000.0350.0306.008.

2、0016.0018.001Cr18Ni90.151.002.000.0350.0308.0010.0017.0019.00Y1Cr18Ni90.151.002.000.200.158.0010.0017.0019.00Y1Cr18Ni9Se0.151.002.000.200.0608.0010.0017.0019.00Se0.15OCr18Ni90.071.002.000.0350.0308.0011.0017.0019.0000Cr19Ni100.031.002.000.0350.0308.0012.0018.0020.00OCr19Ni9N0.081.002.000.0350.0307.0

3、010.5018.0020.00N0.100.25OCr19Ni10-NbN0.081.002.000.150.0307.5010.5018.0020.00Nb0.15N0.150.3000Cr18Ni10N0.0301.002.000.0350.0308.511.5017.0019.00N0.120.221Cr18Ni120.121.002.000.0350.03010.5013.0017.0019.00OCr23NNi130.081.002.000.0350.03012.0015.0022.0024.00OCr25Ni200.081.002.000.0350.03019.0022.0024

4、.0026.00OCr17Ni-12Mo20.081.002.000.0350.03010.0014.0016.0018.502.003.001Cr18Ni12-Mo2T0.121.002.000.0350.03011.0014.0016.0019.001.802.50Ti5×(C% 0.02)0.80OCr18Ni12-Mo2Ti0.081.002.000.0350.03011.0014.0016.0019.001.80 2.50Ti5x C%0.7000Cr17Ni-14Mo20.0301.002.000.0350.03012.0015.0016.0018.002.003.00O

5、Cr17Ni12-Mo2N0.081.002.000.0350.03010.0014.0016.0018.002.003.00N0.10 0.2200Cr17Ni13-Mo2N0.0301.002.000.0350.03010.5014.5016.0018.502.003.00N0.120.22OCr18Ni12-Mo2Cu20.081.002.000.0350.03010.0014.5017.0019.001.202.75Cu1.002.5000Cr18Ni14-Mo2Cu20.0301.002.000.0350.03012.0016.0017.0019.001.202.75Cu1.002.

6、500Cr19Ni13Mo30.081.002.000.0350.03011.0015.0018.0020.003.004.0000Cr19-Ni13Mo30.0301.002.000.0350.03011.0015.0018.0020.003.004.001Cr18Ni12-Mo3Ti0.121.002.000.0350.03011.0014.0016.0019.002.503.50Ti5×(C%-0.02)0.080Cr18Ni-12Mo3Ti 0.081.002.000.0350.03011.0014.0016.0019.002.503.50Ti5×C%0.70OCr

7、18Ni-16Mo50.0401.002.000.0350.03015.0017.0016.0019.004.006.001Cr18Ni9Ti0.121.002.000.0350.0308.0011.0017.0019.00Ti5×(C%-0.02)0.80OCr18-Ni10Ti 0.081.002.000.0350.0309.0012.0017.0019.00Ti5×C%OCr18Ni11Nb0.081.002.000.0350.0309.001.3017.0019.00Nb10×C%OCr18Ni9Cu30.081.002.000.0350.0308.501

8、0.5017.0019.00Cu3.004.000Cr18Ni13Si40.083.005.002.000.0350.03011.5015.0015.0020.00奥氏体-铁素体型0Cr26Ni5Mo20.081.001.500.0350.0303.006.0023.0028.001.003.001Cr18Ni11-Si4AlTi0.100.183.404.000.080.0350.03010.0012.0017.5019.50A10.100.30Ti0.400.7000Cr18Ni5-Mo3Si20.0301.302.001.002.000.0350.0304.505.5018.0019.5

9、02.503.00铁素体型OCr13Al0.081.001.000.0350.03011.5014.50A10.100.3000Cr120.0301.001.000.0350.03011.0013.001Cr17 0.120.751.000.0350.03016.0018.00Y1Cr17 0.120.101.250.0600.1516.0018.001Cr17Mo 0.120.101.000.0350.03016.0018.000.751.2500Cr30Mo20.0100.400.400.0300.02028.5032.001.502.50N0.01500Cr27Mo0.0100.400.

10、400.0300.02025.0027.500.751.50N0.015马氏体型1Cr12 0.150.501.000.0350.03011.5013.001Cr13 0.151.001.000.0350.03013.5011.500Cr130.081.001.000.0350.03013.5011.50Y1Cr13 0.151.001.250.0600.1512.0014.001Cr13Mo0.080.180.601.000.0350.03011.5014.000.300.602Cr130.160.251.001.000.0350.03012.0014.003Cr130.260.351.00

11、1.000.0350.03012.0014.00Y3Cr130.260.401.001.250.0600.1512.0014.003Cr13Mo0.280.350.801.000.0350.03012.0014.000.501.004Cr130.360.450.600.800.0350.03012.0014.001Cr17N20.110.170.800.800.0350.0301.502.5016.0018.007Cr170.600.751.001.000.0350.03016.0018.008Cr170.750.951.001.000.0350.03016.0018.009Cr180.901

12、.000.800.800.0350.03017.0019.0011Cr170.951.201.001.000.0350.03016.0018.00Y11Cr170.951.201.001.250.0600.1516.0018.009Cr18Mo0.951.100.800.800.0350.03016.0018.000.400.709Cr18MoV0.850.950.800.800.0350.03017.0019.001.001.30V0.070.012沉淀硬化型OCr17N.4-Cu4Nb0.071.001.000.0350.0303.005.0015.5017.50Cu3.005.00Nb0

13、.150.45Ocr17Ni7Al0.09I.001.000.0350.0306.507.7516.0018.00Cu0.50A10.751.500Cr15Ni7-Mo2Al0.091.001.000.0350.0306.507.5014.0016.002.003.00A10.751.50可加入不大于0.60%钼。必要时，可添加上表以外的合金元素。允许含有不大于0.60%镍。可以加入不大于0.75%钼。00Cr30Mo2和00Cr27Mo允许有不大于0.50%镍，不大于0.20%铜，但镍+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)力学性能见表61表6

14、4。表61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/拉伸试验硬度试验ó0.2ó b5(%)(%)布氏硬度HBS洛氏硬度HRB维氏硬度HVMPa奥氏体型1Cr17Mn6Ni5N10101120快冷27552040452411002531Cr18Mn8Ni5N10101120快冷2755204045207952181Cr18Mn10Ni5Mo3N11001150快冷34568045651Cr17Ni710101150快冷2055204060187902001Cr18Ni910101150快冷205520406018790200Y1Cr18Ni910101150

15、快冷205520405018790200Y1Cr18Ni9Se10101150快冷205520405018790200OCr18Ni910101150快冷20552040601879020000Cr19Ni1010101150快冷1774804060187902000Cr19Ni9N10101150快冷2755503550217952200Cr19Ni10NbN10101150快冷345685355025010026000Cr18Ni10N10101150快冷2455504050217952201Cr18Ni1210101150快7902000Cr23Ni131010

16、1150快冷2055204060187902000Cr25Ni2010101180快冷2055204050187902000Cr17Ni12Mo210101150快冷2055204060187902001Cr18Ni12Mo2Ti10101100快冷205530405518790200OCr18Ni2Mo2Ti10101100快冷20553040551879020000Cr17Ni14Mo210101150快冷177480406018790200OCr17Ni12Mo2N10101150快冷27555035502179522000Cr17Ni13Mo2N10101150快冷2455504050

17、21795220OCr18Ni12Mo2Cu210101150快冷20552040601879020000Cr18Ni14Mo2Cu210101150快冷1774004060187902000Cr19Ni13Mo310101150快冷20552040601879020000Cr19Ni13Mo310101150快冷1774804060187902001Cr18Ni12Mo3Ti10001100快冷205530405518790200OCr18Ni12Mo3Ti10001100快冷205530405518790200OCr18Ni16Mo5j0301180快冷177480404518790200

18、1Cr18Ni9Ti9201150快冷205520405018790200OCr18Ni10Ti9201150快冷205520405018790200OCr18Ni11Nb9801150快冷2065204050187902000Cr18Ni9Cu310101150快冷177480406018790200OCr18Ni12Si410101150快冷205520406020795218奥氏体-铁素体型0Cr26Ni5Mo29501100快冷3905901840277292921Cr18Ni11Si4AlTi9301050快冷440715254000Cr18Ni5Mo3Si29201150快冷390

19、590204030300注：1.对于OCr18Ni10Ti、OCr18Ni11Nb、1Cr18Ni9Ti、0Cr18Ni12Mo2T1、OCr18Ni-12Mo3Ti和1Cr18Ni12Mo3Ti根据需方要求可进行稳定化处理，此时的热处理温度为850930，但必须在合同中注明。2.1Cr18Ni9Ti与Ocr18Ni10Ti、1Cr18Ni12Mo2Ti与0Cr18Ni12Mo2Ti、1Cr18Ni-12Mo3Ti与OCr18Ni12Mo3Ti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。3.1Cr18Ni11Si4AITi的冲击试验札值不小于63J。表62经退火的铁素体钢的力学性

20、能牌号退火处理/拉伸试验冲击试验硬度试验ó0.2ób 5(%)(%)AK/J布氏硬度HBSMPa0Cr13A1780830空冷或缓冷17741020607818300Cr12700820空冷或缓冷19626522601831Cr17780850空冷或缓冷2054502250183Y1Cr17680820空冷或缓冷20545022501831Cr17Mo780850空冷或缓冷205450226018300Cr30Mo29001050快冷295450204522800Cr27Mo9001050快冷2454102045219表63经退火或淬火回火的马氏体钢的力学性能牌号热处理/&

21、#176;C退火后的布氏硬度HBS经淬回火的力学性能拉伸试验冲击试验AK/J布氏硬度HBS退火淬火回火ó0.2ób5(%)(%)MPa1Cr12800900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1833454902460YICr13800900缓冷或约750快冷9501000油冷700750快冷2003455402555781591Cr13Mo

22、830900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207HRC504Cr13800900缓冷或约750快冷10501100油冷20030

23、0空冷201HRC501Cr17Ni2680700高温回火空冷9501050空冷275350空冷285108010397Cr17880920缓冷10101070油冷100180空冷255HRC548Cr17880920缓冷10101070油冷100180快冷255HRC569Cr18800920缓冷10001050油冷200300油、空冷255HRC5511Cr17800920缓冷10101070油冷100180快冷269HRC58Y11Cr17800920缓冷10101070油冷100180快冷269HRC589Cr18Mo800900缓冷10001050油冷200300空冷269HRC55

24、9Cr18MoV800920缓冷10501075油冷100200空冷269HRC55表64经热处理的沉淀硬化型钢的力学性能牌号热处理/拉伸试验硬度试验种类条件ó0.2ób5(%) (%)布氏硬度HBS洛氏硬度HRCMPa0Cr17Ni4-Cu4Nb固溶10201060快冷36338480时效经固溶处理后，470490空冷1801310104037540550时效经固溶处理后，540560空冷0001060124533135580时效经固溶处理后，570590空冷8651000134530231620时效经固溶处理后，610630空冷7259301650277280Cr17N

25、i7A1固溶10001100快冷380103020229565时效9601140525363565时效10301230410388OCr15Ni7Mo2A1固溶10001100快冷269565时效11001210725375510时效 12101320620388经固溶处理后，于(760±15°C)保持90min，在1h内冷却到15以上，保持30min.再加热到(565±10)，保持90min空冷。经固溶处理后，(955±10)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

26、)保持60min后空冷。(3)用途见表65。 表65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节镍钢种，代替牌号1Cr17Ni7，冷加工后具有磁性。铁道车辆用21Cr18Mn3NiSN节镍钢种，代替牌号1Cr18Ni931Cr18Mn10Ni5Mo3N对尿素有良好的耐蚀性，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

27、车床。铆钉、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100Cr19Ni9N在牌号0Cr19Ni9上加N，强度提高，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

28、化性低。旋压加工，特殊拉拔，冷镦用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160Cr17Ni12Mo2在海水和其他各种介质中，耐腐蚀性比0Cr19Ni9好，主要作耐点蚀材料奥氏体型171Cr18Ni12Mo2Ti用于抵抗硫酸、磷酸、蚁酸、醋酸的设备，有良好耐晶间腐蚀性180Cr18Ni12Mo2Ti用于抵抗硫酸、磷酸、蚁酸、醋酸的设备，有良好耐晶间腐蚀性1900Cr17Ni14Mo2为0Cr17Ni12Mo2的超低碳钢，比0Cr17Ni12Mo2耐晶问腐蚀性好200Cr17Ni12Mo2N在牌号0C

29、r17Ni12Mo2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2100Cr17Ni13Mo2N在牌号00Cr17Ni14Mo2中加入N，具有以上牌号同样特性，用途与0Cr17Ni12Mo2N相司，但耐晶间腐蚀性更好。220Cr18Ni12Mo2Cu2耐腐蚀性、耐点腐蚀性比0Cr17Ni12Mo2好，用于耐硫酸材料2300Cr18Ni14Mo2Cu2为0Cr18Ni12Mo2Cu2的超低碳钢，比0Cr18Ni12Mo2Cu2的耐晶间腐蚀性好240Cr19Ni13Mo3耐点腐蚀性比0Cr17Ni12Mo2好，作染色设备材料等奥氏体型2500Cr19Ni13Mo

30、3为0Cr19Ni13Mo3的超低碳钢，比0Cr19Ni13Mo3耐晶间腐蚀性好261Cr18Ni12Mo3Ti用于抵抗硫酸、磷酸、蚁酸、醋酸的设备，有良好耐晶间腐蚀性270Cr18Ni12Mo3Ti用于抵抗硫酸、磷酸、蚁酸、醋酸的设备，有良好耐晶间腐蚀性280Cr18Ni16Mo5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00Cr17Ni14Mo2和00Cr19Ni13Mo3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310Cr18Ni11

31、Nb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。冷镦用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340Cr26Ni5Mo2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3600Cr18Ni5Mo3Si2具有铁素体.奥氏体型双相组织，耐应力腐蚀破裂性好，耐点蚀性能与00Cr17Ni13Mo2相当，具有较高的强度适于含氯离子的环境，用于炼油、化肥、造纸、石油、化工等工业热交换器和冷凝器等铁素体型370Cr13A1从高温下冷却不产生显著硬化，汽轮机