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BS S 156-1976 4%镍-铬-钼表面硬化钢(真空电弧重熔)坯、棒材、锻件及零件规范(1320-1520MPa)

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【英文标准名称】:Specificationfor4%nickel-chromium-molybdenumcase-hardeningsteel(vacuumarcremelted)billets,bars,forgingsandparts(1320-1520MPa)
【原文标准名称】:4%镍-铬-钼表面硬化钢(真空电弧重熔)坯、棒材、锻件及零件规范(1320-1520MPa)
【标准号】:BSS156-1976
【标准状态】:现行
【国别】:英国
【发布日期】:1976-06-30
【实施或试行日期】:1976-06-30
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:飞行器部件;锻件;合金钢;表面硬化钢;坯锭;镍钢;材料的机械性能;材料的机械性能;真空冶炼;钢;铬钢;钼钢;名称与符号;棒材;低合金钢;化学成分;抗拉强度;热处理
【英文主题词】:Aircraftcomponents;Alloysteels;Bars(materials);Billets;Case-hardeningsteels;Chemicalcomposition;Chromiumsteels;Designations;Forgings;Heattreatment;Low-alloysteels;Mechanicalpropertiesofmaterials;Molybdenumsteels;Nickelsteels;Steels;Tensilestrength;Vacuummelting
【摘要】:BritishStandardAerospaceSeries:Specificationfor4%nickel-chromium-molybdenumcase-hardeningsteel(vacuumarcremelted)billets,bars,forgingsandparts(1320-1520MPa)1.Inspectionandtestingprocedure2.Manufacture3.Chemicalcomposition4.Surfacedressing5.Condition6.Heattreatment7.Mechanicalproperties
【中国标准分类号】:H40
【国际标准分类号】:49_025_10
【页数】:6P;A4
【正文语种】:英语


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【英文标准名称】:StandardTestMethodsforMoistureinActivatedCarbon
【原文标准名称】:活性碳湿度的标准试验方法
【标准号】:ASTMD2867-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【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】:D28.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:试验;水;活性碳;潮气;含量测定;碳
【英文主题词】:activatedcarbon;moisture
【摘要】:Themoisturecontentofactivatedcarbonisoftenrequiredtodefineandexpressitspropertiesinrelationtothenetweightofthecarbon.Themoisturecontentofactivatedcarbonpackedintypicalshippingcontainerswillusuallyincreaseduringtransportationandstorage.Usersofactivatedcarboninapplicationswherelowmoisturecontentisimportantshouldbeawareofthiseffect.1.1Thesetestmethodsprovidetwoproceduresforthedeterminationofthemoisturecontentofactivatedcarbon.Theproceduresmayalsobeusedtodrysamplesrequiredforothertests.Theoven-dryingmethodisusedwhenwateristheonlyvolatilematerialpresentandisinsignificantquantities,andtheactivatedcarbonisnotheat-sensitive(someactivatedcarbonscanignitespontaneouslyattemperaturesaslowas150C).Thexylene-extractionmethodisusedwhenacarbonisknownorsuspectedtobeheatsensitiveortocontainnonwater-miscibleorganiccompoundsinsteadoforinadditiontowater.Theoven-dryingmethoddescribedinthesetestmethodsmaybeusedasthereferencefordevelopmentofinstrumentaltechniquesformoisturedeterminationinactivatedcarbon.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G70
【国际标准分类号】:71_040_30
【页数】:3P.;A4
【正文语种】:


Product Code:SAE J2331
Title:Operators Field of View--Engineering Evaluation
Issuing Committee:Hftc1, Controls, Visibility, Anthropometrics, Accessiblty
Scope:This SAE Standard specifies a stationary test method for determining and documenting the masking effect caused by parts of the base machine with equipment as specified by the manufacturer within a visibility test circle around the eye position of a seated operator. It applies to earthmoving machinery which has a specific seated operators position.