ASTM G101-2004(2010) 低合金钢耐大气腐蚀估价的标准指南
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【英文标准名称】:StandardGuideforEstimatingtheAtmosphericCorrosionResistanceofLow-AlloySteels
【原文标准名称】:低合金钢耐大气腐蚀估价的标准指南
【标准号】:ASTMG101-2004(2010)
【标准状态】:现行
【国别】:美国
【发布日期】:2004
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:G01.04
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:atmosphericcorrosionresistance;compositionaleffects;corrosionindices;high-strength;low-alloysteel;industrialenvironments;marineenvironments;ruralenvironments;weatheringsteels;Ruralenvironments;Steelcomposition;Structuralsteel(SS);
【摘要】:Inthepast,ASTMspecificationsforlow-alloyweatheringsteels,suchasSpecificationsA242/A242M,A588/A588M,A606Type4,A709/A709MGrade50W,HPS70W,and100W,A852/A852M,andA871/A871Mstatedthattheatmosphericcorrosionresistanceofthesesteelsisx201C;approximatelytwotimesthatofcarbonstructuralsteelwithcopper.x201D;Afootnoteinthespecificationsstatedthatx201C;twotimescarbonstructuralsteelwithcopperisequivalenttofourtimescarbonstructuralsteelwithoutcopper(Cu0.02maximum).x201D;Becausesuchstatementsrelatingthecorrosionresistanceofweatheringsteelstothatofothersteelsareimpreciseand,moreimportantly,lacksignificancetotheuser(1and2),thepresentguidewaspreparedtodescribemoremeaningfulmethodsofestimatingtheatmosphericcorrosionresistanceofweatheringsteels.Thefirstmethodofthisguideisintendedforuseinestimatingtheexpectedlong-termatmosphericcorrosionlossesofspecificgradesoflow-alloysteelsinvariousenvironments,utilizingexistingshort-termatmosphericcorrosiondataforthesegradesofsteel.Thesecondmethodofthisguideisintendedforuseinestimatingtherelativeatmosphericcorrosionresistanceofaspecificheatoflow-alloysteel,basedonitschemicalcomposition.Itisimportanttorecognizethatthemethodspresentedherearebasedoncalculationsmadefromtestdataforflat,boldlyexposedsteelspecimens.Atmosphericcorrosionratescanbemuchhigherwhentheweatheringsteelremainswetforprolongedperiodsoftime,orisheavilycontaminatedwithsaltorothercorrosivechemicals.Therefore,cautionmustbeexercisedintheapplicationofthesemethodsforpredictionoflong-termperformanceofactualstructures.1.1Thisguidepresentstwomethodsforestimatingtheatmosphericcorrosionresistanceoflow-alloyweatheringsteels,suchasthosedescribedinSpecificationsA242/A242M,A588/A588M,A606Type4,A709/A709Mgrades50W,HPS70W,and100W,A852/A852M,andA871/A871M.Onemethodgivesanestimateofthelong-termthicknesslossofasteelataspecificsitebasedonresultsofshort-termtests.Theothergivesanestimateofrelativecorrosionresistancebasedonchemicalcomposition.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.
【中国标准分类号】:H25
【国际标准分类号】:77_060
【页数】:9P.;A4
【正文语种】:英语
【原文标准名称】:低合金钢耐大气腐蚀估价的标准指南
【标准号】:ASTMG101-2004(2010)
【标准状态】:现行
【国别】:美国
【发布日期】:2004
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:G01.04
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:atmosphericcorrosionresistance;compositionaleffects;corrosionindices;high-strength;low-alloysteel;industrialenvironments;marineenvironments;ruralenvironments;weatheringsteels;Ruralenvironments;Steelcomposition;Structuralsteel(SS);
【摘要】:Inthepast,ASTMspecificationsforlow-alloyweatheringsteels,suchasSpecificationsA242/A242M,A588/A588M,A606Type4,A709/A709MGrade50W,HPS70W,and100W,A852/A852M,andA871/A871Mstatedthattheatmosphericcorrosionresistanceofthesesteelsisx201C;approximatelytwotimesthatofcarbonstructuralsteelwithcopper.x201D;Afootnoteinthespecificationsstatedthatx201C;twotimescarbonstructuralsteelwithcopperisequivalenttofourtimescarbonstructuralsteelwithoutcopper(Cu0.02maximum).x201D;Becausesuchstatementsrelatingthecorrosionresistanceofweatheringsteelstothatofothersteelsareimpreciseand,moreimportantly,lacksignificancetotheuser(1and2),thepresentguidewaspreparedtodescribemoremeaningfulmethodsofestimatingtheatmosphericcorrosionresistanceofweatheringsteels.Thefirstmethodofthisguideisintendedforuseinestimatingtheexpectedlong-termatmosphericcorrosionlossesofspecificgradesoflow-alloysteelsinvariousenvironments,utilizingexistingshort-termatmosphericcorrosiondataforthesegradesofsteel.Thesecondmethodofthisguideisintendedforuseinestimatingtherelativeatmosphericcorrosionresistanceofaspecificheatoflow-alloysteel,basedonitschemicalcomposition.Itisimportanttorecognizethatthemethodspresentedherearebasedoncalculationsmadefromtestdataforflat,boldlyexposedsteelspecimens.Atmosphericcorrosionratescanbemuchhigherwhentheweatheringsteelremainswetforprolongedperiodsoftime,orisheavilycontaminatedwithsaltorothercorrosivechemicals.Therefore,cautionmustbeexercisedintheapplicationofthesemethodsforpredictionoflong-termperformanceofactualstructures.1.1Thisguidepresentstwomethodsforestimatingtheatmosphericcorrosionresistanceoflow-alloyweatheringsteels,suchasthosedescribedinSpecificationsA242/A242M,A588/A588M,A606Type4,A709/A709Mgrades50W,HPS70W,and100W,A852/A852M,andA871/A871M.Onemethodgivesanestimateofthelong-termthicknesslossofasteelataspecificsitebasedonresultsofshort-termtests.Theothergivesanestimateofrelativecorrosionresistancebasedonchemicalcomposition.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.
【中国标准分类号】:H25
【国际标准分类号】:77_060
【页数】:9P.;A4
【正文语种】:英语
下载地址: 点击此处下载