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GB/T 2597-1994 窗框用热轧型钢

作者:标准资料网 时间:2024-05-03 16:45:32  浏览:9637   来源:标准资料网
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基本信息
标准名称:窗框用热轧型钢
英文名称:Heat-rolled window sash steel
中标分类: 冶金 >> 钢铁产品 >> 型钢、异型钢
ICS分类: 冶金 >> 钢铁产品 >> 型钢
替代情况:GB 2597-1982
发布部门:国家技术监督局
发布日期:1994-01-02
实施日期:1995-10-01
首发日期:1981-06-17
作废日期:2005-10-14
主管部门:中国钢铁工业协会
归口单位:全国钢标准化技术委员会
起草单位:上海新沪钢铁厂、冶金工业部
出版日期:1900-01-01
页数:平装16开, 页数:15, 字数:24千字
适用范围

本标准规定了建筑窗框用热轧型钢的尺寸、外型、重量及允许偏差、技术要求、试验方法、检验规则、包装、标志及质量证明书等。本标准适用于建筑钢窗、钢门框构件用热轧型钢(以下简称窗框钢)。

前言

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引用标准

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所属分类: 冶金 钢铁产品 型钢 异型钢 冶金 钢铁产品 型钢
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【英文标准名称】:StandardTestMethodforDeterminationofIndividualComponentsinSparkIgnitionEngineFuelsby1000150;MetreCapillary(withPrecolumn)High-ResolutionGasChromatography
【原文标准名称】:用100米毛细管(柱前)高分辨率气相色谱法测定火花点火发动机燃料中各成分的标准试验方法
【标准号】:ASTMD6730-2001(2006)e1
【标准状态】:现行
【国别】:
【发布日期】:2001
【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】:D02.04.0L
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:汽油;试验方法;机动车燃料;气相色谱法
【英文主题词】:detailedhydrocarbonanalysis;DHA;gaschromotography;hydrocarbons;opentubularcolumn;oxygenates;PIONA;PONA
【摘要】:Knowledgeoftheindividualcomponentcomposition(speciation)ofgasolinefuelsandblendingstocksisusefulforrefineryqualitycontrolandproductspecification.Processcontrolandproductspecificationcomplianceformanyindividualhydrocarbonscanbedeterminedthroughtheuseofthistestmethod.Thistestmethodisadoptedfromearlierdevelopmentandenhancement.4,5,6,7Thechromatographicoperatingconditionsandcolumntuningprocess,includedinthistestmethod,weredevelopedtoprovideandenhancetheseparationandsubsequentdeterminationofmanyindividualcomponentsnotobtainedwithprevioussingle-columnanalyses.Thecolumntemperatureprogramprofileisselectedtoaffordthemaximumresolutionofpossibleco-elutingcomponents,especiallywheretheseareoftwodifferentcompoundtypes(forexample,aparaffinandanaphthene).Althoughamajorityoftheindividualhydrocarbonspresentinpetroleumdistillatesaredetermined,someco-elutionofcompoundsisencountered.Ifthistestmethodisutilizedtodeterminebulkhydrocarbongroup-typecomposition(PONA),theuserofsuchdatashouldbecautionedthatsomeerrorwillbeencounteredduetoco-elutionandalackofidentificationofallcomponentspresent.Samplescontainingsignificantamountsofolefinicornaphthenic,orboth,constituentsaboveoctanemayreflectsignificanterrorsinPONA-typegroupings.Ifwaterisorissuspectedofbeingpresent,itsconcentrationisdeterminedbytheuseofTestMethodD1744.Othercompoundscontainingoxygen,sulfur,nitrogen,andsoforthmayalsobepresent,andmayco-elutewiththehydrocarbons.Whenknownco-elutionexists,thesearenotedinthetestmethoddatatables.Ifdeterminationofthesespecificcompoundsisrequired,itisrecommendedthattestmethodsforthesespecificmaterialsbeused,suchasTestMethodD4815andD5599foroxygenates,TestMethodD5580foraromatics,andTestMethodD5623forsulfurcompounds.1.1Thistestmethodcoversthedeterminationofindividualhydrocarboncomponentsofspark-ignitionenginefuelsandtheirmixturescontainingoxygenateblends(MTBE,ETBE,ethanol,andsoforth)withboilingrangesupto225176;C.Otherlightliquidhydrocarbonmixturestypicallyencounteredinpetroleumrefiningoperations,suchasblendingstocks(naphthas,reformates,alkylates,andsoforth)mayalsobeanalyzed;however,statisticaldatawasobtainedonlywithblendedspark-ignitionenginefuels.1.2Basedonthecooperativestudyresults,individualcomponentconcentrationsandprecisionaredeterminedintherangefrom0.01toapproximately30mass%.Thetestmethodmaybeapplicabletohigherandlowerconcentrationsfortheindividualcomponents;however,theusermustverifytheaccuracyifthetestmethodisusedforcomponentswithconcentrationsoutsidethespecifiedranges.1.3Thistestmethodalsodeterminesmethanol,ethanol,t-butanol,methylt-butylether(MTBE),ethylt-butylether(ETBE),andt-amylmethylether(TAME)insparkignitionenginefuelsintheconcentrationrangefrom1to30mass%.However,thecooperativestudydataprovidedinsufficientstatisticaldataforobtainingaprecisionstatementforthesecompounds.1.4Althoughamajorityoftheindividualhydrocarbonspresentaredetermined,someco-elutionofcompoundsisencountered.Ifthistestmethodisutilizedtoestimatebulkhydrocarbongroup-typecomposition(PONA),theuserofsuchdatashouldbecautionedthat......
【中国标准分类号】:E31
【国际标准分类号】:75_160_20
【页数】:55P.;A4
【正文语种】:


【英文标准名称】:Aerospaceseries;aluminiumandmagnesiumalloyingotsandcastings;technicalspecification;part1:generalrequirements;germanversionEN2076-1:1989
【原文标准名称】:航空航天.铝.镁合金铸件和铸锭.技术规范.第1部分:一般要求
【标准号】:DINEN2076-1-1990
【标准状态】:现行
【国别】:德国
【发布日期】:1990-09
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:镁合金;块材;铸件;航空运输;铝合金
【英文主题词】:Acceptance(approval);Acceptanceinspection;Aerospacetransport;Airtransport;Alloys;Aluminium;Aluminiumalloys;Blocks;Castings;Chemicalcomposition;Corrosionprotection;Defects;Definition;Definitions;Deliveryconditions;Ingots;Inspection;Magnesium;Magnesiumalloys;Manufacturing;Marking;Materials;Qualityassurance;Spacetransport;Specification(approval);Testing
【摘要】:
【中国标准分类号】:V11
【国际标准分类号】:49_025_20
【页数】:12P.;A4
【正文语种】:德语



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