SAE AMS7454 Bolts And Screws, Low-Alloy Steel, Heat Resistant Normalized Andtempered, Roll Threaded 135,000 Psi (Cancell
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Product Code:SAE AMS7454
Title:Bolts And Screws, Low-Alloy Steel, Heat Resistant Normalized Andtempered, Roll Threaded 135,000 Psi (Cancelled Jul 2002)
Issuing Committee:Ams E Carbon And Low Alloy Steels Committee
Scope:1. SCOPE:1.1 Type: This specification covers high quality holts and screws made of a low-alloy, heat resistantsteel.1. 2 Application: Primarily for joining parts where high strength up to 900'F (480'C) is reqnired.
【英文标准名称】:StandardTestMethodsforNotchedBarImpactTestingofMetallicMaterials
【原文标准名称】:金属材料的切口棒材冲击测试用标准试验方法
【标准号】:ASTME23-2007ae1
【标准状态】:现行
【国别】:
【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】:E28.07
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:冲击测试;材料;机械测试;金属的;金属;测试
【英文主题词】:Charpytest;fractureappearance;Izodtest;impacttest;notchedspecimens;pendulummachine
【摘要】:Thesetestmethodsofimpacttestingrelatespecificallytothebehaviorofmetalwhensubjectedtoasingleapplicationofaforceresultinginmulti-axialstressesassociatedwithanotch,coupledwithhighratesofloadingandinsomecaseswithhighorlowtemperatures.Forsomematerialsandtemperaturestheresultsofimpacttestsonnotchedspecimens,whencorrelatedwithserviceexperience,havebeenfoundtopredictthelikelihoodofbrittlefractureaccurately.FurtherinformationonsignificanceappearsinAppendixX1.1.1Thesetestmethodsdescribenotched-barimpacttestingofmetallicmaterialsbytheCharpy(simple-beam)testandtheIzod(cantilever-beam)test.Theygivetherequirementsfor:testspecimens,testprocedures,testreports,testmachines(seeAnnexA1)verifyingCharpyimpactmachines(seeAnnexA2),optionaltestspecimenconfigurations(seeAnnexA3),precrackingCharpyV-notchspecimens(seeAnnexA4),designationoftestspecimenorientation(seeAnnexA5),anddeterminingthepercentofshearfractureonthesurfaceofbrokenimpactspecimens(seeAnnexA6).Inaddition,informationisprovidedonthesignificanceofnotched-barimpacttesting(seeAppendixX2),methodsofmeasuringthecenterofstrike(seeAppendixX2).1.2Thesetestmethodsdonotaddresstheproblemsassociatedwithimpacttestingattemperaturesbelow-196C(-320F,77K).1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Inch-poundunitsareprovidedforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecificprecautionarystatementsaregiveninSection5.
【中国标准分类号】:H22
【国际标准分类号】:77_040_10
【页数】:28P.;A4
【正文语种】:
基本信息
标准名称: | 多功能汽车制动性能检测台 |
英文名称: | Multi-function automobile brake tester |
中标分类: |
公路、水路运输 >>
公路运输 >>
公路车辆维修设备 |
ICS分类: |
道路车辆工程 >>
检查、维修和试验设备
|
发布日期: | 2006-02-20 |
实施日期: | 2006-05-01 |
首发日期: | |
作废日期: | |
出版日期: | |
页数: | 9页 |
适用范围
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前言
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目录
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引用标准
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所属分类: 公路 水路运输 公路运输 公路车辆维修设备 道路车辆工程 检查 维修和试验设备