【英文标准名称】:StandardSpecificationforHotIsostatically-PressedAlloySteelFlanges,Fittings,Valves,andPartsforHighTemperatureService
【原文标准名称】:高温设备用热等静压压制的合金钢法兰、配件、阀门和部件的标准规范
【标准号】:ASTMA989/A989M-2007
【标准状态】:现行
【国别】:美国
【发布日期】:2007
【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】:A01.22
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:alloysteel;chromium-alloysteel;chromium-molybdenumsteel;gas-atomizedpowder;hotisostatically-pressedalloysteelparts;pipingapplications;pipefittings,steel;pressurecontainingparts;steelflanges;steelvalves;temperatureserviceapplicat
【摘要】:1.1Thisspecificationcovershotisostatically-pressed,powdermetallurgy,alloysteelpipingcomponentsforuseinpressuresystems.Includedareflanges,fittings,valves,andsimilarpartsmadetospecifieddimensionsortodimensionalstandards,suchasinASMESpecificationB16.5.1.2Severalgradesofalloysteelsareincludedinthisspecification.1.3Supplementaryrequirementsareprovidedforusewhenadditionaltestingorinspectionisdesired.Theseshallapplyonlywhenspecifiedindividuallybythepurchaserintheorder.1.4Thisspecificationisexpressedinbothinch-poundunitsandinSIunits.Unlesstheorderspecifiestheapplicable"M"specificationdesignation(SIunits),however,thematerialshallbefurnishedtoinch-poundunits.1.5Thevaluesstatedineitherinch-poundunitsorSIunitsaretoberegardedseparatelyasthestandard.Withinthetext,theSIunitsareshowninparentheses.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemmustbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththespecification.Thefollowingsafetyhazardscaveatpertainsonlytotestmethodsportions,8.1,8.2,and9.5-9.7ofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesandtodeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:J10
【国际标准分类号】:49_025_10
【页数】:8P.;A4
【正文语种】:英语
基本信息
标准名称: | 火力发电厂制粉系统设计计算技术规定 |
替代情况: | 替代DL/T 5145-2002 |
发布部门: | 国家能源局 |
发布日期: | 2012-08-23 |
实施日期: | 2012-12-01 |
首发日期: | |
作废日期: | |
出版社: | 中国电力出版社 |
出版日期: | 2012-12-01 |
适用范围
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前言
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所属分类: 医药 卫生 劳动保护 医药 卫生 劳动保护综合 医学 医药卫生技术 医学科学和保健装置综合