午夜成人影院乱码精品人妻,欧久久久久久,日本少妇AA一级特黄大片,日本多毛视频

　　模具材料價格影響因素主要看，進口和國產(chǎn)，規(guī)格和數(shù)量，這個對價格的影響很大，還有運輸路程、加工要求、是否含稅、結(jié)算方式等因素，大概價格區(qū)間。建議您咨詢一下在線客服，得到實時鋼材報價！Specification:

　　JISSKH51HighSpeedToolSteelRoundBars,HSSforPunching,Forming,Pressing

　　EquivalenceAISISAEDINW.NrJISGBM21.3343SKH51W6Mo5Cr4V2

　　ChemicalComposition(%)CSiMnPSCrMoVW0.80

　　0.90≤

　　0.40≤

　　0.40≤

　　0.030≤

　　0.0303.80

　　4.504.50

　　5.501.60

　　2.205.50

　　DimensionsHotRolledForgedDiameter(mm)6.5-8081-250Length(mm)

　　Characteristics

　　Tungsten-molybdenumhighspeedsteelwithexcellenttoughnessandcuttingproperties,

　　forawidevarietyofuses.

　　HeatTreatmentAnnealing770to840°C(1418to1544°F)

　　Slowcontrolledcoolinginfurnaceatarateof10to20°C/hr(50to68°F/hr)downto

　　.600°C(1112°F),furthercoolinginair.

　　Hardnessafterannealing:max.280HB.

　　Stressrelieving600to650°C(1112to1202°F)

　　Slowcoolinginfurnace;intendedtorelievestressessetupbyextensivemachining,

　　orincomplexshapes.

　　Afterthroughheating,holdinneutralatmospherefor1-2hours.

　　Hardening1190to1230°C(2174to2246°F)

　　Oil,saltbath(500to550°C(932to1022°F),vacuum.

　　Uppertemperaturerangeforpartsofsimpleshape,lowerforpartsofcomplexshape.

　　Forcoldworkingtoolsalsolowertemperaturesareofimportanceforhighertoughness.Soakingtimeafterheatingupthewholesectionofaworkpiece80secondsminimum

　　isrequiredfordissolvingsufficientcarbides.

　　Maximumsoakingtime150secondstoavoiddetrimentsbyoversoaking.

　　Inpracticeinsteadofsoakingtimethetimeofexposurefromplacingtheworkpieceinto

　　thesalthbathafterpreheatinguntilremoving(includingthestagesofheatingtothespecifiedsurfacetemperatureandofheatingtothetemperaturethroughoutthewholesection)isused.

　　Vacuumhardeningisalsopossible.Thetimeinthevacuumfurnacedependsonthe

　　relevantworkpiecesizeandfurnaceparameters.

　　1hourforevery20mmofworkpiecethickness,butnotlessthan2hours/aircooling

　　(minimumholdingtime:1hour).

　　1sttemperingand2ndtemperingtodesiredworkinghardness.

　　Averageobtainablehardnessvaluesareshowninthetemperingchart.

　　3rdtemperingforstressrelieving,30-50°C(86-122°F)belowhighesttemperingtemperature.

　　Obtainablehardnessaftertempering:64-66HRC.

　　MaterialPhoto:

　　Applications

　　JISSKH51issuitableforcoldworkapplications,forexampletoolsforpunching,forming

　　andpressing,etc..SKH51possessesanadmirablecombinationofwearresistance,

　　toughnessandcompressivestrength.Thiscombinationofpropertiesmakesitsuperior

　　tomanyhighalloyedcoldworksteels.

　　QualityAssurance

　　Belowinspectionwillbedoneintheproduction.

　　(1)raydetection-RT;

　　(2)ultrasonictesting-UT;

　　(3)MagneticParticleTesting-MT;

　　(4)penetrationtesting-PT;

　　(5)eddycurrentflawdetection-ET

　　Companyinformation:

　　BozhongGroupMainlysupplyinformsofcoil,sheet,plate,rod,bar,tube,pipe,beam,angle,flange,wire,strip,channel,etc.,withvariousvarieties,widerangeofdimensions,highpurity,stablechemicalcomposition,highdimensionalaccuracyandexcellentsurfacequality.Theproductsaremainlyusedinthefieldsofindustriessuchasautomobileengineering,railwaytransportation,aviation,aerospace,machinery,petrochemical,energy,environmentalprotection,offshore,chemical,oil&gas,military,powerplant,nuclearpower,pressurevessel,boilerequipment,moldmanufacture,etc.

　　steelcoil

　　steelplate

　　steelsheet

　　steelbar/rod

　　steelroundbar

　　steelflatbar

　　steelsquarebar

　　steelpipe/tube(weldedorseamless)

　　steelroundpipes

　　steelsquarepipes

　　steelweldedtubes

　　steelseamlesstubes

　　steelstrip

　　steelbeam

　　steelangle

　　steelchannel

　　steelflange

　　Steelwire

　　BozhongGroupcansupplyavarietyofstructuralsteel,high-strengthsteel,wear-resistantsteelplate,boilerandpressurevesselsteel,marineengineeringandstainlesssteelplateinthethicksteelandvariousEuropeanstandardbarsandpipesandprofiles.Ourglobalsalesandservicenetworkthroughoutallaroundtheworldtoensurethatthegoodsreachthecustomerintheshortesttime.

　　Wecanfollowyourdrawingsandrequirements,toprovideyouwithoxygencutting,plasmacuttingandlasercuttingandotherprocessingservices.YoucanalsoperformultrasonictestinginaccordancewithEN10160standard,EN10164standardtestZ15,Z25,Z35,weldbendingdetection,PWHTdetection,etc.

　　WehaveISO9001:2000qualitymanagementsystemcertification,andobtainthequalitycertificationfromallthewell-knowncertificationcompany,includingTuVLRSGLCEandsoon.

　　Specialsteelincludesasbelow:

　　Boilerandpressurevesselsteel

　　Pipelinesteel

　　Bridgesteel

　　Nuclearpowersteel

　　Structuralsteel

　　Diesteel

　　Highstrengthsteel

　　Abrasionresistantsteel

　　Weathering,corrosionresistantandfireresistantsteel

　　Highrisebuildingsteel

　　Shipbuildingandoffshoreengineeringsteel

　　Q:Areyouamanufacturerormerelyatrader

　　A:Wearegroupofcompaniesandownedmanufacturerbasesandtradingcompany.Wespecializedinspecialsteelwhichincludealloystructuralsteelandcarbonsteelandstainlesssteel,etc.Allmaterialarewithhighqualityandcompetitiveprice.

　　Q:Howdoyouguaranteethequalityofyourproduct

　　A:Firstly,wecanprovidethecertificatesfromthethirdparty,suchasTUVskh51分哪里產(chǎn),CE,ifyouneed.Secondly,wehaveacompletesetofinspectionsystemandeveryprocessischeckedbyQC.Qualityisthelifelineofenterprisesurvival.

　　Q:Deliverytime

　　A:Wehavereadystockformostofmaterialgradesinourwarehouse.Ifthematerialdon'thavestock,thedeliveryleadtimeisabout5-30daysafterreceivingyourprepaymentorfirmorder.

　　Q:Whatisthepaymentterm

　　A:T/TorL/C.

　　Q:Canyouprovideasampleforourtestingbeforeconfirmingtheorder

　　A:Yes.Wecanprovidesampletoyouforapprovalbeforeyouplaceanordertous.Freesampleisavailableifwehavestock.

　　Q:Canwevisityourcompanyandfactory

　　Customervisiting:

　　Warmlywelcome!PickupyourphoneandCallus!

　　Sendustheinquiryhere!

　　Wewillreplyyouatthefirsttime.

　　ContactUS:

　　AnnieWang

　　DirectLine:+86-21-蘇州東锜是一家專業(yè)從事各類優(yōu)質(zhì)特殊鋼材、模具鋼材銷售、加工于一體的模具及配套材料企業(yè)，主要銷售國內(nèi)外各種品牌模具鋼材。產(chǎn)品以塑膠、五金、壓鑄、模具鋼材為主（P20、718、CR12、Cr12Mov、H13、NAK80、2378、2343、2344等），本公司生產(chǎn)設(shè)備先進，實行嚴格的質(zhì)量控制體系，科學的管理制度，產(chǎn)品質(zhì)量穩(wěn)定、價格實惠暢銷國內(nèi)外，倍受客戶贊譽，公司占地面積1500多平方米。

本文部分內(nèi)容來源于網(wǎng)絡(luò)，我們僅作為信息分享。本站僅提供信息存儲空間服務(wù)，不擁有所有權(quán)，不承擔相關(guān)法律責任。如發(fā)現(xiàn)本站有涉嫌抄襲侵權(quán)/違法違規(guī)的內(nèi)容，請發(fā)送郵件至tokaits@163.com舉報，一經(jīng)查實，本站將立刻刪除。