常用渗氮钢种及渗氮的工艺参数(共3页).doc

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1、精选优质文档-倾情为你奉上常用渗氮钢种类别钢号渗氮厚的主要性能主要用途及备注低碳钢08, 08Al, 10, 15, 20, A3, 20Mn, 30, 35抗大气与水的腐蚀螺栓、螺帽、销钉、把手等零件中碳钢及中碳低合金钢40, 45, 50,40Cr, 50V提高耐磨与抗疲劳性能或提高耐大气及水的腐蚀性能曲轴，阶梯轴，低档齿轮等零件低碳合金钢18Cr2Ni4WA 18CrNiWA, 20Cr 20CrMnTi, 25CrNiWA, 25CrNiWA, 25Cr2MoVA耐磨、抗疲劳性能优良且心部韧性高，可在受冲击条件下工作轻负荷齿轮、齿圈等中、高档精密零件中碳合金钢38CrMoAlA, 38

2、Cr2MoAlA35CrMo, 35CrNiMoA, 42CrMo, 40CrNiMoA, 30Cr3WA, 30CrMnSiA, 30Cr2Ni2WVA, 40Cr, 38CrWVAlA, 50CrVA耐磨性抗疲劳性能优良，心部强韧好，38CrMoAlA及38Cr2MoAlA渗氮后硬度很高耐磨性优良，抗疲劳性较好，但不宜受冲击机床主轴，镗杆坦克及飞机发动机主轴等模具钢Cr12, Cr12Mo, Cr12MoV, 3Cr2W8, 3Cr2W8V, 4Cr5MoVSi, 4Cr5W2VSi, 5CrNiMo5CrMnMo耐磨，抗热疲劳，红硬性良好，有一定的抗冲击疲劳性能冷冲模，拉伸模，落料模，非

3、铁金属压铸模等模具工具钢W18Cr4V, W6Mo5Cr4V2, W18Cr4VCo5耐磨性及红硬性优良高速钢铣刀等多种刃具铁素体型、奥氏体型及马氏体时效硬化型钢4Cr13, 2Cr13, 3Cr134Cr13, 15Cr11MoV, 15Cr12MoV, 1Cr18Ni9Ti, 45Cr14Ni, 14W2Mo, 25Cr18Ni8W2, 17Cr18Ni9, 40Cr14Ni9Cr3A1V2, 1Cr14Ni14W2Mo, 1Cr17Ni13Mo2Nb, 3Cr19Ni9MoWNbTi耐磨性，红硬性及高温强度优良，能在500600服役,经渗氮后耐蚀性有不同程度地降低,但在许多介质中仍有较好

4、的耐蚀性纺纱机走丝槽，在腐蚀介质中工作的泵轴，叶轮、中壳等液压件以及在500600环境中工作且要求耐磨的零件高钛渗氮专用钢30CrTi2, 30CrTi2Ni3Al耐磨性优良,红硬性及抗疲劳性能好承受剧烈的磨粒磨损且不承受冲击的零件几种钢在氨中渗氮的工艺参数钢号渗氮工艺渗氮层厚度(mm)表面层硬度(HV10)典型工件阶段温度()时间(h)氨分解率%38CrMoAlA510103520400.300.3510001100镗杆活塞杆38CrMoAlA510108030500.500.601000镗杆活塞杆38CrMoAlA535103530500.450.559501100镗杆活塞杆38CrMoA

5、lA1515102518250.400.608501000十字销卡块大齿圈螺杆38CrMoAlA2550104550600.400.608501000十字销卡块大齿圈螺杆38CrMoAlA151010101215300.500.8080HR30N十字销卡块大齿圈螺杆38CrMoAlA255010485835650.500.8080HR30N十字销卡块大齿圈螺杆38CrMoAlA15101081015350.300.40700齿轮38CrMoAlA255010121435650.300.40700齿轮38CrMoAlA3550103900.300.40700齿轮38CrMoAlA51010355

6、520400.300.55850-950曲轴38CrMoAlA500105015300.450.50550-650曲轴40CrNiMoA520102525350.350.5568HR30N曲轴40CrNiMoA1520102025350.400.7083HR15N曲轴40CrNiMoA254510101535500.400.7083HR15N曲轴25CrNi4WA1520101025350.250.4073HRA受冲击或重载零件25CrNi4WA2550101045650.250.4073HRA受冲击或重载零件25CrNi4WA3520101250700.250.4073HRA受冲击或重载零件

7、30Cr2Ni2WVA500103515300.250.30650750受冲击或重载零件30Cr2Ni2WA500105515300.450.50650750受冲击或重载零件30CrMnSiA50010253020300.200.3058HRC受冲击或重载零件30Cr3WA1500104015250.400.606070HRC曲轴等30Cr3WA2520104025400.400.606070HRC曲轴等35CrNi3WA1505104015350.745HRC曲轴等35CrNi3WA2525105040600.745HRC曲轴等35CrMo52010607050600.60.7560650曲

8、轴等35CrMo1505102518300.60.7560650曲轴等35CrMo2520102530500.50.6650700曲轴等50CrVA46010152010200.150.25弹簧50CrVA480107915350.150.25弹簧40Cr490102415350.200.30550齿轮40Cr152010101525350.200.30550齿轮40Cr2540105235500.500.7050HRC齿轮18CrNiWA490103025300.200.30600轴18Cr2Ni4A500103515300.250.30650750轴1Cr13510105520400.15

9、0.259501050要求耐磨,抗疲劳抗蚀的零件1Cr13550104825400.250.30900950要求耐磨,抗疲劳抗蚀的零件2Cr13500104815250.100.1210001050要求耐磨,抗疲劳抗蚀的零件2Cr13550105040450.250.35850950要求耐磨,抗疲劳抗蚀的零件15Cr11MoV1530101030350.300.40900950要求耐磨,抗疲劳抗蚀的零件15Cr12WMoV2580102050650.300.40900950要求耐磨,抗疲劳抗蚀的零件4Cr14Ni14W2-Mo510103518230.040.068085HR要求耐磨,抗疲劳抗

10、蚀的零件4Cr14Ni14W2-Mo560106025400.100.1215N800900要求耐磨,抗疲劳抗蚀的零件4Cr14Ni14W2-Mo630104050800.080.1480HR15N要求耐磨,抗疲劳抗蚀的零件25Cr18Ni18W2550105540550.150.228501000要求耐磨,抗疲劳抗蚀的零件25Cr18Ni18W2600102435500.120.16850950要求耐磨,抗疲劳抗蚀的零件4Cr14Ni2W255105540550.180.259001000要求耐磨,抗疲劳抗蚀的零件4Cr14Ni2W2570105545600.200.30800900要求耐磨

11、,抗疲劳抗蚀的零件Cr10Si2Mo59010353730700.200.3084HR15N要求耐磨,抗疲劳抗蚀的零件1Cr18Ni9Ti570108035550.200.309001000要求耐磨,抗疲劳抗蚀的零件1Cr18Ni9Ti1545103025400.200.30900模具1Cr18Ni9Ti2565104535600.200.30900模具3Cr2W8V53510121625400.150.2010001100模具4Cr5W2VSi560105520450.450.55700750模具Cr12,Cr12Mo1480101814270.20700800模具Cr12MoV2530102230600.20700800模具Cr18Si2Mo570103530600.20.25800要求耐磨的抗氧化零件W18Cr4V515100.25120400.010.02511001300刀具专心-专注-专业