采购技术条件螺母(中英对照)

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1、HGPURCHASESPECIFICATION采购技术条件DOC.NO.UD2-08U1-4REV.1PAGE1OF4PURCHASESPECIFICATIONFORCARBONSTEELHEAVYNUTS,SA–194Gr.2HSA-194Gr.2H螺母采购技术条件JOB.NO.:08U1DRAWINGNO.:U-08-1/Rev.03210REV.DATEDESCRIPTIONDESIGNEDBYAPPROVEDBYHONGGUANGCHEMICALEQUIPMENTCo.,Ltd.HGPURCHASESPECIFICATION采购技术条件DOC.NO.UD2-08U1-4RE

2、V.1PAGE2OF4Thisspecificationisprovideddescriptionsforpurchasingnutsmaterial本技术条件对采购下列材料进行了规定.1.Specificationdesignation材料牌号ASMECodeSect.II2007Ed,SA-194MGr.2H.2.Nameofitem零件名称CarbonsteelJamNuts碳钢锁紧螺母3.Quantity,DescriptionofitemandSize数量,名称和型号PartNo编号.Quantity数量Descriptionofitem名称Nominalsize(mm)

3、型号DrawingNo.orstandardNo.标准号148HeavynutsM20ASMEB18.2.4.5M4.Dimension尺寸4.1Nutsshallbehexagonalinshape,andinaccordancewiththedimensionfortheheavyhexseries,asrequiredbyASME/ANSIB18.2.4.6M.螺母为六角形螺母,尺寸和形状按照ASME/ANSIB18.2.4.6M标准制造4.2Unlessotherwisespecified,threadsshallbeinaccordancewithASMEB1.13Man

4、dshallbegaugedinaccordancewithANSI/ASMEB1.20.1.除指明的不同处外,螺纹符合ASMEB1.13M要求并且符合ANSI/ASMEB1.20.1.的要求.4.3Thenutsshallbe8UNSeriesClass2Bfit.螺母为8UN系列等级为2H.4.Manufacture制造Nutsshallbemadebymachinefromhot-forgedbarsandshallbequenchedandthentemperedatatemperaturenotlessthan455℃.螺母由热锻制成,并且在不低于455℃的温度下回火处理

5、.5.Chemicalrequirements化学成分TheheatanalysisofthenutmaterialsshallconformtothechemicalcompositionrequirementsHGPURCHASESPECIFICATION采购技术条件DOC.NO.UD2-08U1-4REV.1PAGE3OF4prescribedasfollows.熔炼分析化学成分应符合下表的规定GradeSymbol等级Material材料Carbonmin.最小碳含量Manganesemax.锰最大含量Phosphorusmax.磷最大含量Sulfurmax.硫最大含量Si

6、liconmax.硅最大含量2HCarbonSteel0.40%1.00%0.040%0.050%0.40%1.Hardnessrequirements硬度需求ThebrinellhardnessshallbeapproximatelyHB248-352.螺母的硬度应当为HB248-3522.Proofloadtestrequirement硬度试验要求Thenutsshallbecapableofwithstandingtheproofloadsof676kN.螺母需要在676kN的载荷下进行试验3.Certificationbymanufacturer制造厂应当标明Themanu

7、facturershallprovideatestreportperformedinaccordancewiththispurchasespecification.制造厂应当提供的符合购买要求的试验报告内容包括9.1ApplicableCode:（ASMECodeSect.II）2007Ed.SA-194Gr.2H.实施依据:2007Ed.SA-194Gr.2H.9.2Steelgrade:SA-194Gr.2H材料等级:SA-194Gr.2H9.3Chemicala