QJ 903.30-1985 机械加工工艺定位与夹紧符号
作者:标准资料网 时间:2024-05-14 17:16:52 浏览:9107
来源:标准资料网
基本信息
标准名称: | 机械加工工艺定位与夹紧符号 |
中标分类: |
机械 >>
机械综合 >>
技术管理 |
发布日期: | |
实施日期: | 2005-02-01 |
首发日期: | |
作废日期: | |
出版日期: | |
适用范围
没有内容
前言
没有内容
目录
没有内容
引用标准
没有内容
所属分类: 机械 机械综合 技术管理
Product Code:SAE ARP1704
Title:Short-Bar Fracture Toughness of Metallic Materials, Determination Of (Cancelled Jul 1981, Superseded by ASTM E 1304)
Issuing Committee:Ams D Nonferrous Alloys Committee
Scope: This specification has been declared Superseded by the Aerospace Materials Division SAE, as of January, 1993.【英文标准名称】:Rubberseals-Jointringsforpipelinesforhot-watersupplyupto110degreesC-Specificationforthematerial
【原文标准名称】:橡胶密封件.温度为110℃及以下的热水供给管道用密封圈.材料规范
【标准号】:ISO9631-2003
【标准状态】:现行
【国别】:国际
【发布日期】:2003-12
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC45
【标准类型】:()
【标准水平】:()
【中文主题词】:给水;名称与符号;密封件;材料;橡胶制品;环形密封圈;材料规范;规范;密封环;输水管道;管连接件;特性;分类;橡胶;热水
【英文主题词】:
【摘要】:ThisInternationalStandardspecifiesrequirementsformaterialsusedinvulcanized-rubbersealsforhotpotableandnon-potablewatersupply(upto110℃).Thedifferentsealdesignationsspecifiedaredefinedaccordingtosealtype,sealapplicationandtherequirementsforaparticularseal(seeTable3).Generalrequirementsforfinishedjointsealsarealsogiven.Anyadditionalrequirementscalledforbytheparticularapplicationarespecifiedintherelevantproductstandards,takingintoaccountthattheperformanceofpipejointsisafunctionofthesealmaterialproperties,sealgeometryandpipejointdesign.ThisInternationalStandardisintendedtobeusedwhereappropriatewithproductstandardswhichspecifyperformancerequirementsforjoints.ThisInternationalStandardisapplicabletojointsealsforusewithallpipelinematerials,includingiron,steel,clay,fibrecement,concrete,reinforcedconcrete,plasticsandglass-reinforcedplastics.Itisapplicabletoelastomericcomponentsofcompositeandnon-compositeseals.Inthecaseofcompositesealsmadefrommaterialswithhardnessesrangingfrom76IRHDto95IRHD,therequirementsforelongationatbreak,compressionsetandstressrelaxationapplyonlywhenthematerialparticipatesinthesealingfunctionorcontributestothelong-termstabilityoftheseal.JointringsmadefromcellularrubbermaterialsorwithenclosedvoidsaspartoftheirdesignarenotcoveredbythisInternationalStandard.
【中国标准分类号】:G43
【国际标准分类号】:83_140_50
【页数】:12P;A4
【正文语种】:英语