MIL-STD-1451A (NOTICE 1)
作者:标准资料网 时间:2024-05-14 09:34:50 浏览:9194
来源:标准资料网
MIL-STD-1451A (NOTICE 1), MILITARY STANDARD, RESOLVERS, ELECTRICAL, SELECTION OF (25 APR 1978)., Holders of MIL-STD-1451A will verify that page changes and additions indicated above have been entered. This notice page will be retained as a check sheet. This issuance, together with appended pages, is a separate publication. Each notice is to be retained by stocking points until the Military Standard is completely revised or canceled.
【英文标准名称】:StandardRadiographicExaminationforSoundnessofWeldsinSteelbyComparisontoGradedASTME390ReferenceRadiographs
【原文标准名称】:与分级的ASTME390参考射线照相比对的钢焊接声音的标准射线照相检验
【标准号】:ASTME1955-2004(2009)
【标准状态】:现行
【国别】:美国
【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】:E07.02
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:discontinuities;fusionwelds;referenceradiographs;steel;X-ray;Discontinuities--metals/alloys;Fusion-weldedmaterials/applications;Referenceradiographs;Steel;X-raymonitoring/processing
【摘要】:ThisstandardcanbeusedtoestablishacceptancecriteriaforweldsoundnessbasedontheproceduresandreferenceradiographsofASTME390.Thegradesspecifiedinthisstandard,whileapplicableforgeneralexaminationuseforthematerialsandthicknessesindicated,maynotbesuitableforallapplications.1.1ThisstandardcoversrequirementsforradiographicexaminationforsoundnessofweldsinfabricatedsteelbycomparisontoselectedseveritylevelsofReferenceRadiographsE390,VolII.Thebasematerialvariesfromgreaterthan0.25to3in.(6.4x2013;76mm)inclusiveinthickness.VolumeIIisapplicable.Thisstandardisnotsuitableforshipyarduse.Note18212;ThisstandardwasadoptedtoreplaceMil-Std.1264-Bentitledx201C;RadiographicInspectionForSoundnessofWeldsInSteelByComparisonToGradedASTME390ReferenceRadiographs,x201D;dated18January,1989.Thisstandardisintendedtobeusedforthesameapplicationsasthedocumentwhichitreplaced.Usersshouldcarefullyreviewitsrequirementswhenconsideringthestandard''susefornewand/ordifferentapplications.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H26
【国际标准分类号】:25_160_40
【页数】:2P.;A4
【正文语种】:英语
基本信息
标准名称: | 固定式消防泵 |
英文名称: | Stationary fire pumps |
中标分类: |
机械 >>
通用机械与设备 >>
泵 |
ICS分类: |
流体系统和通用件 >>
泵
|
发布部门: | 国家经济贸易委员会 |
发布日期: | 2002-12-27 |
实施日期: | 2003-04-01 |
首发日期: | 1900-01-01 |
作废日期: | 1900-01-01 |
归口单位: | 全国泵标委会 |
出版社: | 机械工业出版社 |
出版日期: | 1900-01-01 |
页数: | 10 页 |
批文号: | 经贸委公告[2002]104 |
适用范围
本标准规定了固定式离心消防泵的型式与基本参数、技术要求、试验方法和检验规则等。
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 通用机械与设备 泵 流体系统和通用件 泵