【英文标准名称】:SpecificationforAlloy-SteelBoltingMaterialsforLow-TemperatureService
【原文标准名称】:低温设备用合金钢螺栓材料规范
【标准号】:ANSI/ASTMA320/A320M-2001
【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】:美国国家标准学会(US-ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:钢;螺栓连接(法兰);紧固件
【英文主题词】:steels;fasteners;bolting
【摘要】:Thisspecificationcoversalloysteelboltingmaterialsforpressurevessels,valves,flanges,andfittingsforlow-temperatureservice.Theterm"boltingmaterial"asusedinthisspecificationcoversrolled,forged,orstrainhardenedbars,bolts,screws,studs,andstudbolts.Thebarsshallbehot-wrought.Thematerialmaybefurtherprocessedbycenterlessgrindingorbycolddrawing.Austeniticstainlesssteelmaybesolutionannealedorannealedandstrain-hardened.Whenstrainhardenedausteniticstainlesssteelisordered,thepurchasershouldtakespecialcaretoensurethatAppendixX1isthoroughlyunderstood.Severalgradesarecovered,includingbothferriticandausteniticsteelsdesignatedL7,B8,etc.Selectionwilldependondesign,serviceconditions,mechanicalproperties,andlow-temperaturecharacteristics.Themechanicalrequirementsofindicatethediametersforwhichtheminimummechanicalpropertiesapplytothevariousgradesandclasses,andTable2stipulatestherequirementsforCharpyimpactenergyabsorption.Themanufacturershoulddeterminethatthematerialcanconformtotheserequirementsbeforepartsaremanufactured.Forexample,whenGradeL43isspecifiedtomeettheTable2impactenergyvaluesat-150?F[-101?C],additionalrestrictions(suchasprocuringasteelwithlowerPandScontentsthanmightnormallybesupplied)inthechemicalcompositionforAISI4340arelikelytoberequired.Note1--Thecommitteeformulatingthisspecificationhasincludedseveralgradesofmaterialthathavebeenratherextensivelyusedforthepresentpurpose.Othercompositionswillbeconsideredforinclusionbythecommitteefromtimetotimeastheneedbecomesapparent.Usersshouldnotethathardenabilityofsomeofthegradesmentionedmayrestrictthemaximumsizeatwhichtherequiredmechanicalpropertiesareobtainable.NutsforusewiththisboltingmaterialarecoveredinSectionandthenutmaterialshallbeimpacttested.SupplementaryRequirements(S1,S2,andS3)ofanoptionalnatureareprovided.Theyshallapplyonlywhenspecifiedintheinquiry,contractandorder.Thisspecificationisexpressedinbothinch-poundunitsandinSIunits.However,unlesstheorderspecifiestheapplicable"M"specificationdesignation(SIunits),thematerialshallbefurnishedtoinch-poundunits.Thevaluesstatedineitherinch-poundunitsorSIunitsaretoberegardedseparatelyasstandard.Withinthetext,theSIunitsareshowninbrackets.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemmustbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththespecification.
【中国标准分类号】:H49
【国际标准分类号】:77_080_20;21_060_01
【页数】:
【正文语种】:英语
基本信息
标准名称: | 球团机械设备安装工程质量验收规范 |
英文名称: | Code for quality acceptance of palletizing mechanical equipment installation engineering |
发布部门: | 中华人民共和国住房和城乡建设部 |
发布日期: | 2010-05-31 |
实施日期: | 2010-12-01 |
首发日期: | |
作废日期: | |
起草单位: | 中国十七冶集团有限公司;中冶华天工程技术有限公司;中冶天工上海十三冶建设有限公司 |
出版社: | 中国计划出版社 |
出版日期: | 2010-12-01 |
书号: | 1580177.447 |
适用范围
本规范适用于新建和改、扩建球团机械设备安装工程的质量验收。
前言
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目录
1 总则
2 术语
3 基本规定
4 设备基础、地脚螺栓和垫板
5 设备和材料进场
6 混合与造球设备安装工程
7 布料设备安装工程
8 竖炉设备安装工程
9 带式焙烧机设备安装工程
10 链箅机—回转窑设备安装工程
11 环式冷却机设备安装工程
12 球团机械设备试运转
引用标准
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