SAE AMS5392 Alloy Iron Castings, Sand, Moderate Corrosion and Heat Resistant, 2.1Cr - 15Ni - 6.5Cu (2.4 - 2.8C), as Cast
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来源:标准资料网
Product Code:SAE AMS5392
Title:Alloy Iron Castings, Sand, Moderate Corrosion and Heat Resistant, 2.1Cr - 15Ni - 6.5Cu (2.4 - 2.8C), as Cast (Cancelled Apr 2007, Superseded by ASTM A 439)
Issuing Committee:Ams F Corrosion Heat Resistant Alloys Committee
Scope:This specification covers a moderate corrosion and heat resistant alloy iron in the form of sand castings.
【英文标准名称】:StandardClassificationSystemforPoly(MethylMethacrylate)(PMMA)MoldingandExtrusionCompounds
【原文标准名称】:聚甲基丙烯酸酯(PMMA)模制和挤压化合物的标准分类系统
【标准号】:ASTMD788-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:D20.15
【标准类型】:(Classification)
【标准水平】:()
【中文主题词】:丙烯酸酯;化合物;挤压;异丁烯酸酯;模制材料;塑料
【英文主题词】:acrylic;acrylicplastic;acrylicresins;clearweatherableplastics;linecallout;plastic;plasticmaterials;PMMA;poly(methylmethacrylate);recycled;transparentplastics
【摘要】:1.1ThepurposeofthisclassificationsystemistoprovideamethodofadequatelyidentifyingPMMAmaterialsusingasystemconsistentwiththatofClassificationSystemD4000.Itfurtherprovidesameansforspecifyingthesematerialsbytheuseofasimplelinecalloutdesignation.1.2Thisclassificationsystemcoverspoly(methylmethacrylate)moldingandextrusioncompounds.Thesecompoundsarepolymersbasedonmethylmethacrylate,andatleast70%ofthepolymershallbepolymerizedfrommethylmethacrylate.1.3Thepropertiesinthisclassificationsystemarethoserequiredtoidentifythecompositionscovered.Theremaybeotherrequirementsnecessarytoidentifyparticularcharacteristicsimportanttospecificapplications.TheseshallbedescribedbyusingthesuffixesasgiveninSection5.1.4Acrylicmoldingandextrusioncompoundsareusedfrequentlyinapplicationswhereextremeclarityandtheabilitytoretainthatclarityandcolorundersevereweatheringandotherenvironmentalexposuresareofprimarysignificance.Whilethetestspecimenpropertiesofthisdocumentmaybeusedtoevaluatenonvirginmaterials,theusershouldtakeprecautionstoensurethatpartsmadefromthesematerialsmeetthedesiredend-userequirements.Accordingly,thisspecificationallowsfortheuseofthoseacrylicplasticmaterialsthatcanberecycled,reconstituted,andregroundedprovidedthefollowing:1.4.1Therequirementsasstatedinthisspecificationaremet,1.4.2Thematerialhasnotbeenmodifiedinanywaytoalteritsconformancetofoodcontactregulationsorsimilarrequirements,and1.4.3Therequirementsoftheparticularend-useapplicationaremet.1.5Thisclassificationsystemandsubsequentlinecallout(specification)arenotintendedfortheselectionofmaterials,butonlyasameanstocalloutplasticmaterialstobeusedforthemanufactureofparts.Theselectionofthesematerialsistobemadebypersonnelwithexpertiseintheplasticsfieldinwhichtheenvironment,inherentpropertiesofthematerials,performanceoftheparts,partdesign,manufacturingprocess,andeconomicsareconsidered.Note1-ThisclassificationsystemissimilartoISO8257-1:1987intitleonly.Thetechnicalcontentissignificantlydifferent.1.6ThevaluesstatedinSIunitsaretoberegardedasstandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G31
【国际标准分类号】:83_140_99
【页数】:6P.;A4
【正文语种】:
基本信息
| 标准名称： | GD型钢绳牵引胶带输送机(普通型)主传动装置基本参数 |
| 中标分类： |
机械 >>
通用机械与设备 >>
输送机械 |
| 发布日期： | |
| 实施日期： | 2004-05-01 |
| 首发日期： | |
| 作废日期： | |
| 出版日期： | |
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所属分类： 机械 通用机械与设备 输送机械
