SAE J121M Decarburization in Hardened and Tempered Metric Threaded Fasteners

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Product Code:SAE J121M
Title:Decarburization in Hardened and Tempered Metric 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.
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【英文标准名称】:StandardTestMethodforDeterminationofPhosphorusinIronOresbythePhosphometricMethod
【原文标准名称】:用磷酸测定法测定铁矿石中磷含量的标准试验方法
【标准号】:ASTME1070-2000(2005)
【标准状态】:现行
【国别】:
【发布日期】:2000
【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】:E01.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:铁矿石;磷;试验
【英文主题词】:agglomeratesandrelatedmaterials;concentrates;ironores;phosphoruscontent
【摘要】:Thistestmethodfortheanalysisofironoreconcentratesandagglomeratesisprimarilyintendedasarefereemethodtotestforcompliancewithcompositionalspecifications.Itisassumedthatusersofthistestmethodwillbetrainedanalystscapableofperformingcommonlaboratoryproceduresskillfullyandsafely.Itisexpectedthatworkwillbeperformedinaproperly-equippedlaboratoryandthatproperwastedisposalprocedureswillbefollowed.Appropriatequalitycontrolpracticesshallbefollowed,suchasthosedescribedinGuideE882.Thedeterminationofthiselementisneededforinternationaltradeandprimaryironandsteelmaking.1.1Thistestmethodcoversthedeterminationofphosphorusinironores,concentrates,andagglomeratesintheconcentrationrangefrom0.005to1.0%phosphorus.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:D31
【国际标准分类号】:73_060_10
【页数】:4P.;A4
【正文语种】:


基本信息
标准名称:立方氮化硼/硬质合金焊接式外圆车刀
中标分类: 机械 >> 工艺装备 >> 刀具
ICS分类: 机械制造 >> 切削工具 >> 车刀
发布日期:1993-03-20
实施日期:1993-11-01
首发日期:
作废日期:
出版日期:
页数:11页
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所属分类: 机械 工艺装备 刀具 机械制造 切削工具 车刀