最新不锈钢GBT12201992.docx

1、最新不锈钢GBT12201992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）（%）CSiMn-NiCrM0其他奥氏体型1Cr17Mn6-Ni5N0.1515.507.5O.0600.033.505.5016.0018-N0.251Cr18Mn8-Ni5NO.1517.5010.000.060.0304.00617.0019-N0.251Cr18Mn10-Ni5Mo3N0.118.5120.060.0304.00617.00192.83.5N0.20O.301Cr17Ni70.15120.035O.0306.00816.001

2、8-1Cr18Ni9O.1512.00O.035O.0308.001017.0019-Y1Cr18Ni90.1512.000.2O.158.001O.0017.0019-Y1Cr18Ni9SeO.15120.2O.0608.001O.0017.0019-SeO.15OCr18Ni90.07120.0350.038.001117.0019-00Cr19Ni1OO.03120.035O.0308.001218.0020-OCr19Ni9N0.08120.035O.0307.001O.5018.0020-N0.100.25OCr19Ni10-NbNO.0812O.015O.0307.501O.501

3、8.0020NbO.15N0.15O.3000Cr18Ni10NO.030120.035O.0308.511.517.0019-No.120.221Cr18Ni12O.12120.035O.03010.501317.0019-OCr23NNi130.0812O.0350.0312.001522.0024-OCr25Ni20O.0812O.0350.0319.002224.0026-OCr17Ni-12M020.0812O.035O.03010.001416.0018.52.003-1Cr18Ni12-M02T0.1212O.035O.03011.001416.00191.802.5Ti5(C%

4、0.02)O.80OCr18Ni12-M02TiO.0812O.0350.0311.001416.00191.802.50Ti5xC%O.7000Cr17Ni-14M020.03120.0350.0312.0015.0016.00182.003-OCr17Ni12-M02NO.0812O.0350.031O.001416.00182.003NO.10O.2200Cr17Ni13-Mo2NO.030120.035O.03010.5014.516.0018.52.003N0.12O.22OCr18Ni12-M02Cu2O.0812O.035O.03010.0014.517.00191.202.75

5、Cu1.002.5000Cr18Ni14-M02Cu2O.030120.035O.03012.001617.00191.202.75Cu1.002.500Cr19Ni13M03O.0812O.035O.03011.001518.00203.004-00Cr19-Ni13M030.0312O.0350.0311.001518.00203.004-1Cr18Ni12-M03Ti0.1212O.035O.03011.001416.00192.503.5Ti5(C%-O.02)O.080Cr18Ni-12M03Ti0.0812O.0350.0311.001416.00192.503.5Ti5C%O.7

6、0OCr18Ni-16M05O.040120.0350.0315.001716.00194.006-1Cr18Ni9Ti0.1212O.035O.0308.001117.0019-Ti5(C%-O.02)O.80OCr18-Ni1OTi0.08120.035O.0309.001217.0019.00-Ti5C%OCr18Ni11NbO.08120.0350.039.001.317.0019-Nb10C%OCr18Ni9Cu3O.0812O.035O.0308.5010.517.0019-Cu3.004.000Cr18Ni13Si4O.083.0052O.0350.0311.501515.002

7、0-奥氏体-铁素体型0Cr26Ni5Mo20.0811.50.035O.0303.00623.00281.0031Cr18Ni11-Si4A1TiO.100.183.440.08O.0350.0310.001217.5019.5-A10.100.30TiO.400.7000Cr18Ni5-M03Si2O.0301.3021.002O.0350.034.505.518.oo19.52.503-铁素体型OCr13A1O.081.oo1O.0350.0311.5014.5-A10.10O.3000Cr12O.03011O.035O.03011.0013-1Cr17O.12O.751O.035O.03

8、016.0018-Y1Cr17O.120.11.250.060.1516.0018-1Cr17M0O.12O.1010.035O.03016.00180.751.25-00Cr30M02O.010O.40O.40O.030O.020-28.50321.502.5N0.01500Cr27M0O.01OO.400.4O.0300.02-25.0027.50.751.5N0.015马氏体型1Cr12O.150.510.035O.03011.5013-1Cr13O.15110.035O.03013.511.50-0Cr13O.0811O.035O.03013.511.50-Y1Cr13O.1511.2

9、5O.060O.1512.0014.00-1Cr13M0O.080.180.61O.0350.0311.50140.300.6-2Cr130.16O.2511O.035O.03012.0014-3Cr13O.260.3511O.035O.03012.0014-Y3Cr13O.260.4011.25O.0600.1512.0014-3Cr13M0O.280.350.810.035O.03012.0014O.501-4Cr130.360.45O.600.8O.0350.0312.0014-1Cr17N20.110.17O.80O.800.035O.0301.502.516.0018-7Cr17O.

10、600.75110.035O.03016.0018-8Cr170.750.9511O.035O.03016.0018-9Cr180.91O.800.8O.0350.0317.0019-11Cr17O.951.211O.0350.0316.0018-Y11Cr17O.951.211.250.06O.1516.0018-9Cr18MoO.951.10.8O.80O.0350.0316.00180.400.7-9Cr18MoVO.850.95O.800.8O.035O.03017.00191.001.3V0.07O.012沉淀硬化型OCr17N.4-Cu4NbO.07110.035O.0303.00

11、515.5017.5Cu3.005.00Nb0.15O.45Ocr17Ni7A10.09I.001O.0350.036.507.7516.0018CuO.50A10.751.500Cr15Ni7-M02A10.0911O.035O.0306.507.514.00162.003A10.751.50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。00Cr30M02和00Cr27M0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2

12、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/拉伸试验硬度试验0.2b5（%）（%）布氏硬度HBS洛氏硬度HRB维氏硬度HV-MPa奥氏体型1Cr17Mn6Ni5N10101120快冷27552040452411002531Cr18Mn8Ni5N10101120快冷2755204045207952181Cr18Mn10Ni5M03N11001150快冷3456804565-1Cr17Ni710101150快冷2055204060187902001Cr18Ni910101150快冷205520406018790200Y1Cr18Ni91O101150快冷205520405

13、018790200Y1Cr18Ni9Se10101150快冷205520405018790200OCr18Ni910101150快冷20552040601879020000Cr19Ni1010101150快冷1774804060187902000Cr19Ni9N10101150快冷2755503550217952200Cr19Ni10NbN10101150快冷345685355025010026000Cr18Ni10N10101150快冷2455504050217952201Cr18Ni121O101150快冷17748040601s7902000Cr23Ni131O101150快冷20552

14、04060187902000Cr25Ni2010101180快冷2055204050187902000Cr17Ni12Mo210101150快冷2055204060187902001Cr18Ni12M02Ti101O1100快冷205530405518790200OCr18Ni2M02Ti10101100快冷20553040551879020000Cr17Ni14M02101O1150快冷177480406018790200OCr17Ni12M02N101O1150快冷27555035502179522000Cr17Ni13M02N1O1O1150快冷245550405021795220OCr

15、18Ni12M02Cu21O101150快冷20552040601879020000Cr18Ni14M02Cu2101O1150快冷1774004060187902000Cr19Ni13M0310101150快冷20552040601879020000Cr19Ni13Mo310101150快冷1774804060187902001Cr18Ni12M03Ti10001100快冷205530405518790200OCr18Ni12M03Ti10001100快冷205530405518790200OCr18Ni16M05j0301180快冷1774804045187902001Cr18Ni9Ti9

16、201150快冷205520405018790200OCr18Ni1OTi9201150快冷205520405018790200OCr18Ni11Nb9801150快冷2065204050187902000Cr18Ni9Cu31O101150快冷177480406018790200OCr18Ni12Si41O101150快冷205520406020795218奥氏体铁素体型0Cr26Ni5M029501100快冷3905901840277292921Cr18Ni11Si4A1Ti9301050快冷4407152540-00Cr18Ni5M03Si29201150快冷3905902040-303

17、00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850930，但必须在合同中注明。21Cr18Ni9Ti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。31Cr18Ni11Si4AITi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/拉伸试验

18、冲击试验硬度试验0.2b5（%）（%）AK/J布氏硬度HBSMPa0Cr13A1780830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/退火后的布氏硬度HBS经淬回火的力学性能拉

19、伸试验冲击试验AK/J布氏硬度HBS退火淬火回火0.2b5（%）（%）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1833454902460-YICr13800900缓冷或约750快冷9501000油冷700750快冷2003455402555781591Cr13Mo830900缓冷或约750快冷9701020油冷650750快冷200490

20、6852060781922Cr13800900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207-HRC504Cr13800900缓冷或约750快冷10501100油冷200300空冷201-HRC501Cr17Ni2680700高温回火空冷95010

21、50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/拉伸试验硬度试验种类条件0.2b5（%）（%）布氏硬度HBS洛氏硬度HRCMPa0Cr17Ni4-Cu4Nb固溶10201060快冷-36338480时效