热镀锌钢板生产概述第十三讲热镀锌钢板质量检验

()(),,BriefIntroductionoftheProductionofHotGalvanizedSteelSheetLecture13QualityTestofHotGalvanizingPlatesZhuLiShangZhidong(AISCTechnologyCentre)(AISCAuditDepartment)AbstractThecompletequalitytestofplateaftergalvanizingshouldbecarriedoutinordertoassuretheproductqualityofhotgalvanizingplateandsupplyreliablepropertyproductsforcustoms.Severaltestmethodsandsomecommondefectsingalvanizingplatesareintroduced.KeyWordsgalvanizingplatequalitytestdefect1,,,,,,1.1114001,,,,,,;,,,,500mm,951.2,,1.3,()(),:(1)2.5mm,,,(2),,,(3)2.5mm,2025mm250mm,180,,1.4(),,:(1)SbCl3,(ZnZn2Fe),,::20.0g(Sb2O3)1.181.19,1000ml:100ml1.181.195ml,,,GZnGZn=G0-G1S10000:GZn(),göm2;G0,g;G1,g;S,cm2:,(2),,,,(3),,,,(4),196500C,,()(2.0Aö0620004dm2),,1.5,12mgöm2Cr6+Cr3+,(KMnO4)Cr6+30min(),30min(),2()(),1.6,,(1),,,,,,,(2)40(2),95%100%,,,1.7,()(1)(1.186),,30s,,,(:)(2),,,,1.8,,,,216,,:;;,11;2;3;4;1;2;31;21;2,;31;21;21,;21;21;2;3;421;2,()1;2;31;2;3()3,,1;2;3();41;2;3;4();5()():199912292620004