热镀锌钢板生产概述第十讲热镀锌合金钢板

(),,,BriefIntroductionoftheProductionofHotGalvanizedSteelSheetLecture10HotgalvanizingAlloyPlateZHuLi(AISCTechnologyCentre)AbstractThecorrsion2resistantpropertyofhotgalvanizingplateisfarhigherthancommonplate.Withtherapiddevelopmentofhigh2tech,thedemandsoncorrsion2resistantandoxidization2resistantpropertiesofplatehavebecomemoreserious.Thereforeseriesofhotgalvanizingalloyplatesaredeveloped.Theproperty,productionprocessandapplicationofhot2galvanizingalloyplatesareintroduced.KeyWordshotgalvanizingalloyplateproperity,,:;;;,1140011(Zn2Fe),Zn2Fe,510560Zn2Fe8520001©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(Galvalume)()(),1962,1%70%Zn2Al55%1.6%,19726Galvalume2.1Zn2AlZn2Al1,:1Zn2Al(1)5%;(2)B2Zn;(3),30%100%,A2Al274,B2ZnAl30%5%;(4)28%22%,;(5),B2ZnA2AlZn2Al,Zn2Al,55%Zn2Al,B2ZnA2Al2.2Galvalume(1)55%55%Al2Zn(2):50%,,,55%Al2Zn,,,,,Al2(SO4)32H2OAl2(SO4)312H2O,,,pH=4,,55%,,195©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(ö55%Al2Zn)(24m)(240m)()()4.22.03.46.23:25Lm,55%Al2Zn21Lm2255%Al2Zn,,km,LmöG90355%Al2Zn33ABCDEF5615211626142913731472128932641038294231893.331.561.541.401.101.900.470.420.210.680.650.247.13.77.32.11.77.93:25Lm;33:21Lm,55%Al2Zn,,3419322höd2höd55%Al2Zn35522höd2höd55%Al2Zn606422höd55%Al2Zn11490,55%Al2Zn,,,3,538,55%Al2Zn,704,55%Al2Zn31;2Al2Zn;3Al2Zn;4(2)55%Al2Zn2600620001©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(3)1992,55%Al2Zn,Galvalume,590600,,,,,20Lm,150göm2,1ö2Galvalume,,35%Zn2Al55%Zn2Al,,,,,,,Galvalume,Zn2Al,5%5%,1%15%,5%20%,5%Al2Zn1979,1982Galfan,Galvalume3.1Galfan(%):Al4.76.2;La+Ce0.030.10;Fe0.075;Si0.015;Pb0.005;Cd0.005;Sn0.002;()0.02;Zn5%Al2Zn,GalfanAl,,5%Al2Zn,,,,,Fe2Al16©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:(1)Zn2Al80Zn78%2Al12%2Si(0.1%0.3%),SiZn2Fe,,(2)Zn2Al(4.5%5%)2Mg0.1%19854.5%0.1%,2,(3)1985Zn20.09%NiZn2Ni,,,,2,():1999712620001©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.