作者:标准资料网 时间:2024-05-20 17:43:24   浏览:9793   来源:标准资料网

【英文标准名称】:StandardSpecificationforSeamlessCopperWaterTube
【原文标准名称】:无缝铜水管的标准规范
【标准号】:ASTMB88-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:coppertube;seamless;watertube;UNSNo.C10200;UNSNo.C12000;UNSNo.C12200;SeamlessCu/Cualloytube--specifications;UNSC10200(oxygen-freecopper(OF));UNSC12200--pipe/tube(seamless/welded);Watersupply/distributionsystems--specifications
【摘要】:ForpurposesofdeterminingcompliancewiththespecifiedlimitsforrequirementsofthepropertieslistedinTable8,anobservedvalueorcalculatedvalueshallberoundedasindicatedinaccordancewiththeroundingmethodofPracticeE29.TABLE8RoundingUnitsPropertyRoundedUnitforObservedorCalculatedValueChemicalcomposition
nearestunitinthelastright-handplaceoffiguresof
Hardness
thespecifiedlimit


Tensilestrength
nearestksi
Expansion
nearest1%
Grainsize:Upto0.055mm,incl
nearestmultipleof0.005mm
Over0.055to0.160mm,incl
nearest0.01mm