Product Code:SAE J121
Title:Decarburization in Hardened and Tempered Unified Threaded Fasteners
Issuing Committee:Fasteners Committee
Scope: This SAE Recommended Practice covers methods for measuring, classifying, and specifying decarburization in the threaded section of hardened and tempered steel bolts, screws, studs, and similar parts. It is not intended to cover products which are specifically carburized to achieve special properties.【英文标准名称】:StandardClassificationforSeamlessCopperandCopperAlloyPlumbingPipeandTube
【原文标准名称】:无缝铜和铜合金管和管道的标准分类
【标准号】:ASTMB698-2002
【标准状态】:现行
【国别】:
【发布日期】:2002
【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】:B05.04
【标准类型】:(Classification)
【标准水平】:()
【中文主题词】:铜合金;铜;管
【英文主题词】:copper;copperalloy;pipe;plumbing;seamless;tube
【摘要】:Thisclassificationisprovidedtoservetheneedsofdesigners,specifiers,installers,andusersofseamlesscopperandcopperalloyplumbingtubeandpipingsystems.Itfamiliarizesthemwiththeproductsavailableforsuchsystems,givingsizerangesandavailablematerialsforproductslistedherein.AlsorefertoSection1.1.1Thisclassificationcoversvarioustypesofseamlesscopperandcopperalloypipeandtubeusedforwaterservice,distribution,anddrainage.Itisnotaspecificationforthevarioustypesandalloys.1.2Thisclassificationusesthestandardcopperdesignationsdevelopedandusedbythecopperindustry.1.3Thisclassificationmakesnoattempttodifferentiatebetweenallcompositionsthatcouldbetermedcoppersorcopperalloys,but,inconformancewithgeneralpracticeinthetradeincludesthosecoppersandcopperalloyscommonlyusedinthemanufactureofwaterservice,distribution,anddrainagepipeandtube.1.4Thisclassificationmakesnoattempttodifferentiatebetweenallapplicationsofseamlesscopperandcopperalloypipingandtubing,andisintendedforuseinwaterservicedistributionanddrainage.
【中国标准分类号】:H62;L26
【国际标准分类号】:23_040_15
【页数】:2P.;A4
【正文语种】: