您的位置: 标准下载 » 协会标准 » ASTM 美国材料与试验协会 »

ASTM A372/A372M-2010 薄壁压力容器用碳素钢及合金钢锻件标准规格

作者:标准资料网 时间:2024-05-26 01:04:53  浏览:8467   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:StandardSpecificationforCarbonandAlloySteelForgingsforThin-WalledPressureVessels
【原文标准名称】:薄壁压力容器用碳素钢及合金钢锻件标准规格
【标准号】:ASTMA372/A372M-2010
【标准状态】:现行
【国别】:
【发布日期】:2010
【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】:A01.06
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:合金钢锻件;碳钢锻件;气瓶;压力容器;薄壁;合金钢锻件.规格;碳钢锻件.规格;压力容器钢锻件.规格;薄壁压力容器
【英文主题词】:alloysteelforgings;carbonsteelforgings;gasbottles;pressurevessels;thinwall;Alloysteelforgings--specifications;Carbonsteelforgings--specifications;Pressurevesselsteelforgings--specifications;Thin-walledpressurevessels
【摘要】:1.1Thisspecificationcoversrelativelythin-walledforgings(includinggasbottles)forpressurevesseluse.Threetypesofcarbonsteelandsixtypesofalloysteelareincluded.Provisionismadeforintegrallyforgingtheendsofvesselbodiesmadefromseamlesspipeortubing.Note18212;Whenworkingtothechemicalandtensilerequirementsofthisspecification,theinfluenceofwallthicknessandcoolingratewillnecessarilyeliminatecertainforgingsizesineachclass.
【中国标准分类号】:J32
【国际标准分类号】:77_140_85
【页数】:5P.;A4
【正文语种】:


下载地址: 点击此处下载
【英文标准名称】:StandardTestMethodforDeterminingAnaerobicBiodegradationPotentialofOrganicChemicalsUnderMethanogenicConditions
【原文标准名称】:测定产甲烷条件下有机化合物厌氧性生物降解潜能的标准试验方法
【标准号】:ASTME2170-2001(2008)
【标准状态】:现行
【国别】:美国
【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】:E47.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:Anaerobicsewagetreatment;Biodegradation;Inoculumprocessing;Methanogenicenvironments;Organicchemicals
【摘要】:Biodegradationisanimportantprocessfortheremovalofmanychemicalsubstancesinanaerobicenvironments.Inmethanogenicenvironments,thisprocessinvolvesdissimilationtocarbondioxideandmethane.Thistestmethodhasbeendevelopedtoscreenorganicchemicalsforanaerobicbiodegradationpotentialundermethanogenicconditions,wherethereisnoingressofoxygen.Ahigh-biodegradabilityresultinthistestmethodisgoodevidencethatthetestsubstancewillbebiodegradableinwastetreatmentplantanaerobicdigestersandinmanynaturalenvironments.Conversely,alow-biodegradationresultmayhavecausesotherthanpoorbiodegradabilityofthetestsubstance.Inhibitionofthemicrobialinoculumbythetestsubstancemayhaveoccurredattheconcentrationstested,orconditionsinthetestmayhavebeeninappropriateforthedevelopmentofanacclimatedmicrobialpopulation.Toxicityshouldbesuspectedwhenthegasproductionintheblanksexceedsthatinthetestvessels.Insuchcases,furtherworkisneededtoassesstheanaerobicbiodegradationpotentialofthechemical.Anestimateoftheexpectedenvironmentalconcentrationwillhelptoputanyobservedtoxiceffectsintoperspective.1.1Thistestmethodcoversscreeningproceduresforthedeterminingthebiodegradationpotentialoforganicchemicalsundermethanogenicconditionsusinganinoculumfromanaerobicsewagetreatment.Theconditionsdescribedinthistestmethodarenotnecessarilyoptimalforbiodegradation,sinceitinvolvesadiluteinoculumandarelativelyhighconcentrationoftestchemical.1.2Thetestmethodisapplicabletomostorganicchemicals,assumingthattheycanbeaccuratelydosedintothetestsystems.Thetestisnotapplicabletochemicalsthatareinhibitoryattheconcentrationusedinthetestorthosewhosevolatilitygeneratessignificantheadpressureinthetestvessels.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecifichazardstatementsaregiveninSection8.
【中国标准分类号】:Z04
【国际标准分类号】:13_060_70
【页数】:5P.;A4
【正文语种】:英语


【英文标准名称】:Copper/chromium/arsenicpreparationsforwoodpreservation
【原文标准名称】:木材防腐备用的铜/铬/砷
【标准号】:BS4072-1999
【标准状态】:现行
【国别】:英国
【发布日期】:1999-12-15
【实施或试行日期】:1999-12-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:Thisstandardspecifiesrequirementsfortwotypesofwaterbornepreservativescontainingmixturesofcompoundsofcopper(Ⅱ),chromium(Ⅵ)andarsenic(Ⅴ)forapplicationtotimbertoprotectitagainstattackinservicebywood-destroyingorganisms.NOTE1TestmethodsaregiveninannexAandannexBandguidanceonmethodsoftimbertreatmentisgiveninannexC.NOTE2Thepreparationsarenotnecessarilysuitableforallwoodpreservationapplications.AdviceontheirsuitabilityisgiveninBS1282andincommodityspecificationsandcodesofpracticefortimberpreservation.
【中国标准分类号】:B71
【国际标准分类号】:71_100_50
【页数】:12P;A4
【正文语种】:英语