Email:cnfuruide@gmail.comHenan phooj ywg hlau khoom Co., Ltd

Henan phooj ywg hlau khoom Co., Ltd

Caij nplooj ntoos hlav Steel hlau txheej txheem

(Hlau) surfacetreatment---drawingofwire rod(mattresswiresavailablethismethod)

Patentedspringwires:inthemiddleofwiresizes, orcold-drawnspecleadhardeningandsurfacetreatmentanddrawing.

Hlau: usuallyhot Galvanizedspringsteel-tub galvanizingorplatingfinishedsize, alsousewirepicklinghot-no-drawnaftergalvanizingtotherequiredsize.

Hlau Oilhardenedspringsteel: rau-demandcan bemadeofcarbonsteeloralloy hlau, surfacetreatmentsandquenchedandtemperedaftercolddrawingtoafinishedsize, no kindoftechnologyinautomotivesuspensioncoil springandvalvespringsteel wirewithmoreordinarySprings, tau kawg, canalsobeused.

Surfacetreatment:commonlyusedpicklingandphosphorization, removalofironoxidetoformphosphatecoating; thereare afewmechanicalapproach. Aimwastomeettherequirementsofcold-drawnwire-drawingprocess, smoothsurfaceisobtained. Springsteel wireforhighfatiguelife, tej asvalvespringsteel hlau, hlau steel rodherein, reducingsurfacedefectsonsteelbilletgrinding, alsohelpreducedefects.

Teeb duab: finishedpullingthreaddrawingprocesshasagreatinfluenceontheproductproperties, generallyuselarger tag nrho cov nyiaj hauv cheeb tsam lawm txo kom qis li 90% (seeareareductionrate) andlowpassareareduction (10% - 20%), inordertoensurethetoughnessof theproduct. Forhigh strengthspringsteel hlau, drawingforthecontrolofexportsofsteeltemperaturebelow150 ° c, preventingwirereverseduetostrainagingcrack, whichisamajorflawofsteelscrap. Vim li cas, drawingagoodlubricationisrequiredandsufficientcooling, smalllaneareareductionanddrawingspeedhelpsreducethewireand #39; no stemperaturerise.

Kom sov kho: carbonsteelSpringwireleadhardeningprocess, koj fortheimprovementofdeepdrawingandspringpropertiesareuseful cangetveryfinePearlite (sorbite), patentingofthealternativeprocessoffluidized-bedis notextended, onlyinsmalldiameterapplication. Alloysteel wireannealingheat treatmentisgenerallyusedtomakedrawingdeformationmicrostructureadapted. Stainless steelwireheat treatmentsolutiontreatment, thepurposeof whichistoimprovetheOrganizationtomeettheneedsofdrawing.Oilquenchingprocessusedonthewireusinginductionheatingorgas,fuel oilfurnace, heatingthewiretotheaustenitizingtemperatureinsulationfor sometime, anothermedium-temperaturetemperingafterhardening. Althoughnominallycalledoil, basicallybywaterquenchingoraddpolymerwaterquenching.


Henan phooj ywg hlau khoom Co., Ltd
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