ISO 5251-1981 不锈钢对焊配件
时间:2024-05-21 01:30:04 来源: 标准资料网 作者：标准资料网 阅读：8751
【英文标准名称】:Stainlesssteelbutt-weldingfittings
【原文标准名称】:不锈钢对焊配件
【标准号】:ISO5251-1981
【标准状态】:现行
【国别】:国际
【发布日期】:1981-04
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC5
【标准类型】:()
【标准水平】:()
【中文主题词】:尺寸公差;附件;管道配件;等级(质量);作标记;钢管;有缝管;弯管联接器;三通管;管道工程系统;尺寸;形状公差;对接焊;名称与符号;符号
【英文主题词】:Accessories;Bendcouplings;Buttwelding;Designations;Dimensionaltolerances;Dimensions;Formtolerances;Grades(quality);Marking;Pipefittings;Pipetees;Pipeworksystems;Seamedpipes;Steelpipes;Symbols
【摘要】:Specifiesrhedimensions,tolerancesandgenerallyusedgradesofstainlesssteelforbends/type3D(90and180)withandwithoutstraightendsandtype5D(90)/,concentricandeccentricreducers,tees,capsandstubendswithqualityrequirementsasusedforpipingwork.
【中国标准分类号】:J33
【国际标准分类号】:23_040_40
【页数】:25P;A4
【正文语种】:英语
【英文标准名称】:TestMethodfortheDeterminationofOxygenatesinGasolinebyGasChromotographyandOxygenSelectiveFlameIonizationDetection(05.03)
【原文标准名称】:气相色谱和选择性燃烧氧化电离法测定汽油氧化的方法
【标准号】:ANSI/ASTMD5599-1995
【标准状态】:作废
【国别】:美国
【发布日期】:1995
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:气相色谱法;汽油
【英文主题词】:Alcohols;Ethanol;Gaschromatography;Gasoline;Methanol;Oxygen;Oxygenates;Petroleumproducts;Tests
【摘要】:Thistestmethodcoversagaschromatographicprocedureforthequantitativedeterminationoforganicoxygenatedcompoundsingasolinehavingafinalboilingpointnotgreaterthan220?Candoxygenateshavingaboilingpointlimitof130?C.Itisapplicablewhenoxygenatesarepresentinthe0.1to20%bymassrange.Thistestmethodisintendedtodeterminethemassconcentrationofeachoxygenatecompoundpresentinagasoline.Thisrequiresknowledgeoftheidentityofeachoxygenatebeingdetermined(forcalibrationpurposes).However,theoxygen-selectivedetectorusedinthistestmethodexhibitsaresponsethatisproportionaltothemassofoxygen.Itis,therefore,possibletodeterminethemassconcentrationofoxygencontributedbyanyoxygenatecompoundinthesample,whetherornotitisidentified.Totaloxygencontentinagasolinemaybedeterminedfromthesummationoftheaccuratelydeterminedindividualoxygenatedcompounds.Thesummedareaofother,uncalibratedorunknownoxygenatedcompoundspresent,maybeconvertedtoamassconcentrationofoxygenandsummedwiththeoxygenconcentrationoftheknownoxygenatedcompounds.ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E31
【国际标准分类号】:75_160_20
【页数】:
【正文语种】:英语
【英文标准名称】:Thermalspraying-Sprayingandfusingofself-fluxingalloys(ISO14920:1999);GermanversionENISO14920:1999
【原文标准名称】:热喷涂.自流合金的喷涂和熔化
【标准号】:DINENISO14920-1999
【标准状态】:现行
【国别】:德国
【发布日期】:1999-03
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:合金;注入方法;适宜性;金属喷镀;均匀性;焊接工程;流动性;熔化;表面预处理;喷射
【英文主题词】:Abilitiestoflow;Alloys;Diffusionlayers;Homogeneity;Injectionmethod;Melting;Meltingbehaviour;Metalspraying;Pre-treatmentofsurfaces;Sprayedcoats;Spraying;Suitability;Thermalspraying;Weldingen
【摘要】:
【中国标准分类号】:A29
【国际标准分类号】:25_220_20
【页数】:12P;A4
【正文语种】:德语