SAE J527 Brazed Double Wall Low-Carbon Steel Tubing

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Product Code:SAE J527
Title:Brazed Double Wall Low-Carbon Steel Tubing
Issuing Committee:Metallic Tubing Committee
Scope: This SAE Standard covers brazed double wall low-carbon steel tubing intended for general automotive, refrigeration, hydraulic, and other similar applications requiring tubing of a suitable quality for bending, flaring, beading, forming, and brazing.
Rationale: This SAE Standard covers brazed double wall low-carbon steel tubing intended for general automotive, refrigeration, hydraulic, and other similar applications requiring tubing of a suitable quality for bending, flaring, beading, forming, and brazing.
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Product Code:SAE AMS4015
Title:Aluminum Alloy, Sheet and Plate 2.5Mg - 0.25Cr (5052-0) Annealed
Issuing Committee:Ams D Nonferrous Alloys Committee
Scope:This specification covers an aluminum alloy in the form of sheet and plate.【英文标准名称】:StandardTestMethodforAbrasionResistanceofLeather(RotaryPlatform,Double-HeadMethod)
【原文标准名称】:皮革的耐摩擦标准试验方法(旋转平台和双头法)
【标准号】:ASTMD7255-2006e1
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:D31.07
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:抗磨性;皮革;平台;试验
【英文主题词】:abraser;abrasion;abrasionresistance;leather;rotaryplatform;wear
【摘要】:Theresistanceofleathertoabrasion,asmeasuredonatestingmachineinthelaboratory,isgenerallyonlyoneofseveralfactorscontributingtowearperformanceordurabilityasexperiencedintheactualuseofthematerial.Whilex201C;abrasionresistancex201D;(oftenstatedintermsofthenumberofabrasioncycles)andx201C;durabilityx201D;(definedastheabilitytowithstanddeteriorationorwearoutinuse,includingtheeffectsofabrasion)arefrequentlyrelated,therelationshipvarieswithdifferentendusesanddifferentfactorsmaybenecessaryinanycalculationofpredicteddurabilityfromspecificabrasiondata.Thistestmethodprovidesacomparativerankingofmaterialperformance,whichcanbeusedasanindicationofrelativeend-useperformance.Theresistanceofleathertoabrasionmaybeaffectedbyfactorsincludingtestconditions,typeofabradant,pressurebetweenthespecimenandabradant,mountingortensionofthespecimen,andtype,kind,oramountoffinishingmaterials.Abrasiontestsutilizingtherotaryplatform,double-headtestermaybesubjecttovariationduetochangesintheabradantduringspecifictests.Dependingonabradanttypeandtestspecimen,thewheelsurfacemaychange(thatis,becomeclogged)duetothepickupoffinishingorothermaterialsfromtestspecimensandmustbecleanedatregularlydefinedintervals.Themeasurementoftherelativeamountofabrasionmayalsobeaffectedbythemethodofevaluationandmaybeinfluencedbythejudgmentoftheoperator.1.1Thistestmethodcoversthedeterminationoftheabrasionresistanceofleatherusingtherotaryplatform,double-headtester(RPDH).Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesandtodeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Y45
【国际标准分类号】:59_140_01
【页数】:6P.;A4
【正文语种】: