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1、不锈钢化学成分表类型序号牌 号化学成分 %CSiMnPSNiCrMoCuN其它奥氏体型11Cr17Mn6Ni5N0.151.005.507.500.0600.0303.50-5.5016.00-18.00-0.25-21Cr18Mn8Ni5N0.151.007.50-10.000.0600.0304.00-6.0017.00-19.00- -0.2531Cr18Mn10Ni5Mo3N0.151.008.50-12.000.0600.0304.00-6.0017.00-19.002.8-3.5-0.20-0.30-41Cr17Ni70.151.002.000.0650.0306.00-8.001
2、6.00-18.00-51Cr18Ni90.151.002.000.0350.0308.00-10.0017.00-19.00-6Y1Cr18Ni90.151.002.000.200.0308.00-10.0017.00-19.001)-7Y1Cr18Ni9Se0.151.002.000.200.0308.00-10.0017.00-19.00-Se0.1580Cr18Ni90.071.002.000.0350.0308.00-10.0017.00-19.00-900Cr19Ni100.0301.002.000.0350.0308.00-10.0018.00-20.00-100Cr19Ni9N
3、0.081.002.000.0350.0307.00-10.5018.00-20.00-0.10-0.25-110Cr18Ni10NbN0.081.002.000.0350.0307.50-10.5018.00-20.00-0.15-0.30Nb0.151200Cr18Ni10N0.0301.002.000.0350.0308.50-11.5017.00-19.00-0.12-0.22-131Cr18Ni120.121.002.000.0350.03010.50-13.0017.00-19.00-140Cr23Ni130.081.002.000.0350.03012.00-15.0022.00
4、-24.00-150Cr25Ni200.081.002.000.0350.03019.00-22.0024.00-26.00-160Cr17Ni12Mo20.081.002.000.0350.03010.00-14.0016.00-18.502.00-3.00-171Cr18Ni12Mo2Ti6)0.121.002.000.0350.03011.00-14.0016.00-19.001.80-2.50-Ti5(C%-0.02)0.08180Cr18Ni12Mo2Ti0.081.002.000.0350.03011.00-14.0016.00-19.001.80-2.50-Ti5*C%-0.70
5、1900Cr17Ni14Mo20.0301.002.000.0350.03012.00-15.0016.00-18.002.00-3.00-200Cr17Ni12Mo2N0.081.002.000.0350.03010.00-14.0016.00-18.002.00-3.00-0.10-0.22-2100Cr17Ni13Mo2N0.0301.002.000.0350.03010.50-14.5016.00-18.502.00-3.00-0.12-0.22-220Cr18Ni12Mo2Cu20.081.002.000.0350.03010.00-14.5017.00-19.001.20-2.75
6、1.00-2.50-2300Cr18Ni14Mo2Cu20.0301.002.000.0350.03012.00-16.0017.00-19.001.20-2.751.00-2.50-240Cr19Ni13Mo30.121.002.000.0350.03011.00-15.0018.00-20.003.00-4.00-2500Cr19Ni13Mo30.081.002.000.0350.03011.00-15.0018.00-20.003.00-4.00-261Cr18Ni12Mo3Ti6)0.121.002.000.0350.03011.00-14.0016.00-19.002.50-3.50
7、-Ti5(C%-0.02)0.08270Cr18Ni12Mo3Ti0.081.002.000.0350.03011.00-14.0016.00-19.002.50-3.50-Ti5*C%-0.70280Cr18Ni16Mo50.0401.002.000.0350.03015.00-17.0016.00-19.004.00-6.00-291Cr18Ni9Ti6)0.121.002.000.0350.0308.00-11.0017.00-19.00-Ti5(C%-0.02)0.08300Cr18Ni10Ti0.081.002.000.0350.0309.00-12.0017.00-19.00-Ti
8、5*C%310Cr18Ni11Nb0.081.002.000.0350.0309.00-13.0017.00-19.00-Nb10*C%320Cr18Ni9Cu30.081.002.000.0350.0308.50-10.5017.00-19.00-3.00-4.00-330Cr18Ni13Si40.083.00-5.002.000.0350.03011.50-15.0015.00-20.00-2)奥氏 体|铁素体型 340Cr26Ni5Mo20.081.001.500.0350.0303.00-6.0023.00-28.001.00-3.00-2)351Cr18Ni11Si4AlTi0.10
9、-0.183.40-4.000.800.0350.03010.-120.17.50-19.50-Al 0.10-0.30; Ti 0.40-0.703600Cr18Ni5MoSi20.0301.30-2.001.00-2.000.0350.0304.50-5.5018.00-19.502.50-3.00-铁素体型 370Cr13Al0.081.001.000.0350.0303)11.50-14.50-Al 0.10-0.303800Cr120.0301.001.000.0350.0303)11.00-13.00-391Cr170.120.751.250.0350.0303)16.00-18.
10、00-40Y1Cr170.121.001.000.0350.153)16.00-18.001)-411Cr17Mo0.121.001.000.0350.0303)16.00-18.000.75-1.25-4200Cr30Mo25)0.0100.400.400.0350.030-28.50-32.001.50-2.50-0.015-4300Cr27Mo250.0100.400.400.0350.030-25.00-27.500.75-1.50-0.015-马氏体型441Cr120.150.501.000.0350.0303)11.50-13.00-451Cr130.151.001.000.035
11、0.0303)11.50-13.50-460Cr130.081.001.000.0350.0303)11.50-13.50-47Y1Cr130.151.001.250.0350.153)12.00-14.001)-481Cr13Mo0.08-0.180.601.000.0350.0303)11.50-14.000.30-0.60-492Cr130.16-0.251.001.000.0350.0303)12.00-14.00-503Cr130.26-0.351.001.000.0350.0303)12.00-14.00-51Y3Cr130.26-0.401.001.250.0350.153)12
12、.00-14.001)-523Cr13Mo0.28-0.350.801.000.0350.0303)12.00-14.000.50-1.00-534Cr130.36-0.450.600.800.0350.0303)12.00-14.00-541Cr17Ni20.11-0.170.800.800.0350.0301.50-2.5016.00-18.00-557Cr170.60-0.751.001.000.0350.0303)16.00-18.004)-568Cr170.75-0.951.001.000.0350.0303)16.00-18.004)-579Cr180.90-1.000.800.8
13、00.0350.0303)17.00-19.004)-5811Cr170.95-1.201.001.000.0350.0303)16.00-18.004)-59Y11Cr170.95-1.201.001.250.0350.153)16.00-18.004)-609Cr18Mo0.95-1.100.800.800.0350.0303)16.00-18.000.40-0.70-619Cr18MoV0.85-0.950.800.800.0350.0303)17.00-19.001.00-1.30-V0.07-0.12沉淀硬化型620Cr17Ni4Cu4Nb0.071.001.000.0350.030
14、6.50-7.5015.50-17.50-3.00-5.00-Nb 0.15-0.45630Cr17Ni7Al0.091.001.000.0350.0306.50-7.5016.00-18.00-0.50-Al 0.75-1.50640Cr15Ni7Mo2Al0.091.001.000.0350.0306.50-7.5014.00-16.002.00-3.00-Al 0.75-1.50组织类型序号牌号化学成分,%碳硅锰磷硫镍铬钼其他国外牌号奥氏体型10Cr18Ni90.071.002.000.0350.0308.00-11.0017.00-19.00-TP30421Cr19Ni90.04-0.
15、101.002.000.0350.0308.00-11.0018.00-20.00-TP302300Cr19Ni90.0301.002.000.0350.0308.00-12.0018.00-20.00-TP304L42Cr23Ni130.201.002.000.0350.03012.00-15.0022.00-24.0050Cr23Ni130.081.002.000.0350.03012.00-15.0022.00-24.00-62Cr25Ni200.251.002.000.0350.03019.00-22.0024.00-26.0070Cr25Ni200.081.002.000.0350.
16、03019.00-22.0024.00-26.00TP310S80Cr17Ni12Mo20.081.002.000.0350.03010.00-14.0016.00-18.502.00-3.00-TP31691Cr17Ni12Mo20.04-0.105C%TP321151Cr18Ni11Ti0.04-0.100.752.000.0300.0309.00-13.0017.00-20.00Ti 4C%0.60160Cr18Ni11Nb0.081.002.000.0350.0309.00-13.0017.00-19.00Nb 10C%171Cr19Ni11Nb0.04-0.101.002.000.0
17、350.0309.00-13.0017.00-20.00Na+Ta8C%1.00180Cr18Ni13Si40.083.00-5.002.000.0350.03011.50-15.0015.00-20.00190Cr18Ni12Mo2Ti0.081.002.000.0350.03011.00-14.0016.00-19.001.50-2.50Ti 5C%0.70201Cr18Ni12Mo2Ti0.121.002.000.0350.03011.00-14.0016.00-19.001.50-2.50Ti 5(C%-0.02)0.80211Cr18Ni12Mo3Ti0.121.002.000.03
18、50.03011.00-14.0016.00-19.002.50-3.50Ti 5(C%-0.02)0.80321不锈钢牌号:1Cr18Ni9Ti;321不锈钢化学成分% C:0.08 ,Si1.0,Mn :2.0 ,Cr :17.019.0 ,Ni :9.0-13,S :0.03 ,P :0.045,Ti5 302不锈钢牌号:1Cr18Ni9;302不锈钢化学成分% C:0.15 ,Si :1.0 ,Mn :2.0 ,Cr :17-19 ,Ni :8.0-10,S :0.03 ,P :0.045 303不锈钢牌号:Y1Cr18Ni9;化学成分% C:0.15 ,Si :1.0 ,Mn :2.
19、0 ,Cr :17-19 ,Ni :8.0-10,S :0.15 ,P :0.20,Mo6.0 316不锈钢牌号:0Cr17Ni12Mo2;化学成分% C:0.08 Si :1.0 Mn :2.0 Cr :16.018.0 Ni :10.014.0 S :0.03 P :0.045 Mo2.0-3.0 316L不锈钢牌号:00Cr17Ni14Mo2;化学成分% C:0.03 Si :1.0 Mn :2.0 Cr :16.018.0 Ni :12.015.0 S :0.03 P :0.045 Mo:2.03.0。 310不锈钢化学成分% C:0.25 Si :1.5 Mn :2.0 Cr :24
20、.026.0 Ni :19.022.0 S :0.03 P :0.045 310S不锈钢牌号:0Cr25Ni20/1Cr25Ni20Si2;310S不锈钢化学成分% C:0.08 Si :1.5 Mn :2.0 Cr :23.026.0 Ni :19.022.0 S :0.03 P :0.045 317L不锈钢牌号:0Cr19Ni13Mo3 ;317L不锈钢化学成分%: C 0.02 N 0.14 Cr 17.8 Ni 12.7 Mo 4.1 309S不锈钢牌号0Cr23Ni13 ;309S不锈钢化学成分:C:0.08 ,Si :1.0 ,Mn :2.0 ,Cr :22-24 ,Ni :12-
21、15,S :0.03 ,P :0.045 314不锈钢牌号1Cr25ni20Si2;314不锈钢化学成分% :C0.25, Si1.5-3.0,Mn2.00 ,P 0.04,S0.03,Ni:19-22,Cr:23-26 321不锈钢牌号:1Cr18Ni9Ti;321不锈钢化学成分% C:0.08 ,Si1.0,Mn :2.0 ,Cr :17.019.0 ,Ni :9.0-13,S :0.03 ,P :0.045,Ti5 840的在国内可以用2520的代替,主要是含镍比例高,抗氧化性强;840不锈钢化学成分% : C:0.07,Si 1.5, Mn 2.0, Cr :18.022.0,Ni :
22、1823.0,S0.03,P0.045,Al:0.35,Ti:0.31 630不锈钢牌号0Cr17Ni4Cu4Nb/05Cr17Ni4Cu4Nb ;630不锈钢化学成分% :C0.07,Si1.00,Mn1.00 ,P 0.035,S0.030,Ni3.00-5.00,Cr15.5-17.5,Cu3.00-5.00,Nb0.15-0.45 631不锈钢又叫17-7PH不锈钢;631不锈钢化学成分% :C0.09,Si1.00,Mn1.00 ,P 0.04,S0.030,Ni 6.5-8.5,Cr116-18,Al 0.75-1.5 904L不锈钢牌号:00Cr20Ni25Mo4.5Cu;904
23、L不锈钢化学成分% C0.03,Si1.00 ,Mn2.00,P0.035,S0.03,Ni:23.0-28.0,Cr:18.0-23.0,Mo:5-6,Cu:1.0-2.0,N0.1TP321H化学成分: 碳:0.04-0.10 锰2 磷0.045 硫0.030 硅1.00 铬:17.019.0 镍:9.0-12.0 氮0.10 钛:不少于4倍碳的含量或不得少于0.6% A213 TP321H化学成分: 碳0.08 锰2 磷0.045 硫0.030 硅1.00 铬:17.019.0 镍:9.0-12.0 钛: 不少于4倍碳的含量或不得少于0.7% JISG3459 SUS321H化学成分:
24、碳0.04-0.10 锰2 磷0.030 硫0.030 硅0.75 铬:17.020.0 镍:9.0-13.0 钛:不少于4倍碳的含量或不得少于0.6% GB/T13296-2007 1Cr18Ni11Ti 化学成分: 碳:0.04-0.10 锰2 磷0.035 硫0.030 硅0.75 铬:17.020.0 镍:9.0-13.0 钛:4倍碳含量不得少于0.6%第十三章:干燥通过本章的学习,应熟练掌握表示湿空气性质的参数,正确应用空气的HI图确定空气的状态点及其性质参数;熟练应用物料衡算及热量衡算解决干燥过程中的计算问题;了解干燥过程的平衡关系和速率特征及干燥时间的计算;了解干燥器的类型及强化
25、干燥操作的基本方法。 二、本章思考题1、工业上常用的去湿方法有哪几种?态参数?11、当湿空气的总压变化时,湿空气HI图上的各线将如何变化? 在t、H相同的条件下,提高压力对干燥操作是否有利? 为什么?12、作为干燥介质的湿空气为什么要先经预热后再送入干燥器?13、采用一定湿度的热空气干燥湿物料,被除去的水分是结合水还是非结合水?为什么?14、干燥过程分哪几种阶段?它们有什么特征?15、什么叫临界含水量和平衡含水量? 16、干燥时间包括几个部分?怎样计算?17、干燥哪一类物料用部分废气循环?废气的作用是什么?18、影响干燥操作的主要因素是什么?调节、控制时应注意哪些问题?三、例题例题13-1:已
26、知湿空气的总压为101.3kN/m2 ,相对湿度为50%,干球温度为20o C。试用I-H图求解: (a)水蒸汽分压p; (b)湿度; (c)热焓; (d)露点td ; (e)湿球温度tw ; (f)如将含500kg/h干空气的湿空气预热至117oC,求所需热量。 解 :由已知条件:101.3kN/m2,050%,t0=20o C在I-H图上定出湿空气的状态点点。 (a)水蒸汽分压p 过预热器气所获得的热量为 每小时含500kg干空气的湿空气通过预热所获得的热量为 例题13-2:在一连续干燥器中干燥盐类结晶,每小时处理湿物料为1000kg,经干燥后物料的含水量由40%减至5%(均为湿基),以热
27、空气为干燥介质,初始湿度H1为0.009kg水kg-1绝干气,离开干燥器时湿度H2为0.039kg水kg-1绝干气,假定干燥过程中无物料损失,试求:(1) 水分蒸发是qm,W (kg水h-1);(2) 空气消耗qm,L(kg绝干气h-1);原湿空气消耗量qm,L(kg原空气h-1);(3)干燥产品量qm,G2(kgh-1)。解:qmG1=1000kg/h, w1=40, w2=5% H1=0.009, H2=0.039qmGC=qmG1(1-w1)=1000(1-0.4)=600kg/hx1=0.4/0.6=0.67, x2=5/95=0.053qmw=qmGC(x1-x2)=600(0.67-0.053)=368.6kg/hqmL(H2-H1)=qmwqmL=qmL(1+H1)=12286.7(1+0.009)=12397.3kg/hqmGC=qmG2(1-w2)
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