热镀锌钢板生产概述第三讲影响镀层结构的因素

(),BriefIntroductionoftheProductionofHotGalvanizedSteelSheetLecture3FactorsAffectingonPlatedCoatConstructionZhuLi(AISCTechnologyCenter)AbstractHotdipgalvanizedofsteelisaphysicalandChemicalreactionprocess.Thequalityofhotdipgalvanizedproductsisincloserelationshipwiththeprimarystatusofsheetandthechemicalconstituentinzincliguid.Thetemperatureofgalvanizing,thetimeofdip,thechemicalconstituentofsteelandothermicro2elementinzincliqnidaffect2ingontheplatedcoatconstructionareintroducedsystematically.KeyWordszinccoatingconstruction11.1,114001,,430460,,:$G=At1ö2:$G;A;t75©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(),F,480500,:$G=Bt,B,,480,F,,,D1,D1,Fe2Zn,,C480,CD1,560,530,4801.2,,,1,1,1F;2D1;3C,450,C0.08%,Mn0.40%,Si0.006%,P0.021%Cu0.02%,C0.004mm,1min,3045sF,D190min,D1F,FeCD1FF,,FD1,(620s)F,F,F,,,F,22.1,Fe2Zn,,,0.8%C,,,,,,,,Fe2Zn,,Fe2Zn,Fe2Zn,,,,0.05%0.15%2.28519994©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(1),,(2),,0.05%,,,0.06%0.12%,0.15%,Fe2Zn,GFD1,,,(3),,Fe2ZnF,,,,(Sandelin)3min,:,,460,0.2%0.2%1520,Fe2Zn,0.3%,D1,F,,0.06%0.07%,,D1,F,,,Fe2Zn,,SiSiO2(4),,,,,,,,,,A2Fe,,D1F,,,,(5)5%,460,30%,8%,,F95©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(6),Fe2Zn,,,Fe2Zn,(0.7%),,3(1),,0.03%(4)450,0.03%,0.03%,FeZn7,,,,Fe2Al5,,,,,,G,,,,,(2),,4501.5%,,,Fe2Zn,,,,,,,,1030cm(),Fe2Zn,,,,:;1%,,;,(3),:,;;,,;,0619994©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(4),0.002%,0.002%,,5%,38%,1%0.05%1%,Fe2Zn,5%,6%,,,,,,0.3%,Zn2Sn,,,(5),0.001%0.07%,,,,,,,1,,,2.5%2.8%,,,(6),0.024%0.084%,,0.3%0.5%,,,,0.6%,,,,,,,,,,(7)Fe2Zn,,,,,,,,,1(8),0.001%0.005%,,,(9),,16©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(10),,Ni0.09%Zn2Ni,1,,,,,,,,0.09%,,Technigalva1985,,,(11)Fe2Zn,FF,,,,,()():199812301998(1)FTSR;(2)NKK;(3);(4)KOBMS;(5);(6);(7)MSPöEAF;(8);(9)öBHP;(10)2619994©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.