SAE AS7458 Studs, Steel, Low Alloy, Heat Resistant Normalized and Tempered, Roll Threaded 135 000 psi Tensile Strength

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Product Code:SAE AS7458
Title:Studs, Steel, Low Alloy, Heat Resistant Normalized and Tempered, Roll Threaded 135 000 psi Tensile Strength
Issuing Committee:E-25 General Standards For Aerospace And Propulsion Systems
Scope: This procurement specification covers aircraft quality studs made from a low alloy, heat resistant steel of the type identified under the Unified Numbering System as UNS K14675, and of 135 000 psi tensile strength at room temperature. Primarily for aerospace propulsion system applications where good strength at temperatures up to approximately 900掳 F is required and the part is protected against corrosion.
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【英文标准名称】:LPGEquipmentandaccessories-InspectionandrequalificationofLPGtanksuptoandincluding13m3underground.
【原文标准名称】:液化气瓶设备和附件.不超过(含)13立方米的地下液化石油气罐的检验和验证
【标准号】:NFM88-723/A1-2006
【标准状态】:作废
【国别】:法国
【发布日期】:2006-09-01
【实施或试行日期】:2006-09-05
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:摄影机;容量;阴极保护;压缩气体设备;防腐蚀;定义;设备;气体压力容器;安装;液化石油气;液化气容器;维修;周期性地;压力试验;压力容器;合格;循环的;重复试验;安全;样品试验;声音传播;规范(验收);钢筒;监督(认可);试验;超声检验;地下;验证;外观检查(试验);壁厚
【英文主题词】:Cameras;Capacity;Cathodicprotection;Compressedgasequipment;Corrosionprotection;Definitions;Equipment;Gaspressurevessels;Installations;Liquefiedpetroleumgas;Liquidgastank;Maintenance;Periodically;Pressuretests;Pressurevessels;Qualifications;Recurrent;Repeattests;Safety;Sampletests;Soundpropagation;Specification(approval);Steeldrums;Surveillance(approval);Testing;Ultrasonictesting;Underground;Verification;Visualinspection(testing);Wallthicknesses
【摘要】:
【中国标准分类号】:J74
【国际标准分类号】:23_020_30
【页数】:9P.;A4
【正文语种】:其他


【英文标准名称】:StandardTestMethodforStiffnessPropertiesofPlasticsasaFunctionofTemperaturebyMeansofaTorsionTest
【原文标准名称】:通过抗扭试验测定随温度变化的塑料的刚度特性的标准试验方法
【标准号】:ASTMD1043-2010
【标准状态】:现行
【国别】:美国
【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】:D20.10
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:Clash-Berg;modulusofrigidity;plastics;shear;torsion;Modulusofrigidity;Rigidplastics;Stiffness--plastics;Torsiontesting--plastics;NumberCode83.080.01(Plastingeneral)
【摘要】:Thepropertymeasuredbythistestistheapparentmodulusofrigidity,G,sometimescalledtheapparentshearmodulusofelasticity.Itisimportanttonotethatthispropertyisnotthesameasthemodulusofelasticity,E,measuredintension,flexure,orcompression.TherelationshipbetweenthesepropertiesisshowninAnnexA1.Themeasuredmodulusofrigidityistermedx201C;apparentx201D;sinceitisthevalueobtainedbymeasuringtheangulardeflectionoccurringwhenthespecimenissubjectedtoanappliedtorque.Sinceitispossiblethatthespecimenwillbedeflectedbeyonditselasticlimit,thecalculatedvaluewillnotalwaysrepresentthetruemodulusofrigiditywithintheelasticlimitofthematerial.Inaddition,thevalueobtainedbythistestmethodwillalsobeaffectedbythecreepcharacteristicsofthematerial,sincetheloadapplicationtimeisarbitrarilyfixed.Formanymaterials,itispossiblethatthereisaspecificationthatrequirestheuseofthistestmethod,butwithsomeproceduralmodificationsthattakeprecedencewhenadheringtothespecification.Therefore,itisadvisabletorefertothatmaterialspecificationbeforeusingthistestmethod.Table1inClassificationD4000liststhecurrentASTMmaterialstandards.Thistestmethodisusefulfordeterminingtherelativechangesinstiffnessoverawiderangeoftemperatures.1.1Thistestmethodcoversthedeterminationofthestiffnesscharacteristicsofplasticsoverawidetemperaturerangebydirectmeasurementoftheapparentmodulusofrigidity.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note18212;ThistestmethodandISO458-1andISO458-2addressthesamesubjectmatter,butdifferintechnicalcontent.
【中国标准分类号】:G31
【国际标准分类号】:
【页数】:11P.;A4
【正文语种】:英语